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    Adamellite Granite £1.73 – £3.68 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Adamellite granite igneous rock specimens from Shap Fell, Cumbria in the UK exhibiting typical coarse grained texture expected of a slow cooling igneous rock. These samples contain typical granitic minerals such as quartz, feldspars and mica. In this case, the feldspars are potassium and sodium feldspar (orthoclase and plagioclase respectively) in equal proportions. Thus being considered adamellites, named after the type locality of Adamello, Italy. The samples are suitable for children interested in geology and collectors due to the attractive colouration however, they are also excellent for educational use to differentiate between regular granites which are often dominant in one particular felspar only and adamellites. The specimens are available in various sizes and come supplied in a card tray with an information label.

    75 in stock

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    Aeolian Sandstone (1kg) £5.00 ex VAT

    A Triassic red millet seed sandstone of aeolian desert origin. Samples come from Penrith, Cumbria and are supplied by weight.

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    Amygdaloidal Basalt (1kg) £5.00 ex VAT

    Amygdaloidal Basalt is a variety of basalt from the Isle of Skye, specimens are supplied in a polythene bag in lots of 1 kg with a label.

    47 in stock

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    Banded Hornfels (1kg) £4.00 ex VAT

    Banded hornfels, showing excellent banded structure, samples come from Scotland and are supplied by weight in lots of 1 kilogram.

    Out of stock

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    Basalt (1kg) £5.00 ex VAT

    Igneous Basalt of Tertiary age from Scotland. Specimens are typical black in colour and has a fine grained texture. Specimens are supplied in polythene bags in lots of 1 kg and are come with an information label.

    77 in stock

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    Bauxite – Kilo Bag £7.00 ex VAT

    1 kilo of Bauxite sedimentary rock specimens from Northern Ireland, specimens are a typical earthy red or brown colour, comprised of iron and aluminium hydroxides/oxides. Bauxite was named after Baux, near St. Reny, Bouches-du-Rhône, France where it was discovered. The samples are supplied by weight in lots of 1 kilogram and will come in a polythene bag with an information card. Suitable for when large amounts are required.

    15 in stock

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    Biotite Gneiss – Scotland £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Biotite gneiss is a metamorphic rock found in Blairgowrie, Perthshire in Scotland. These specimens exhibit faint alternating bands of black and white minerals, derived from quartz, plagioclase feldspar and biotite mica. Giving a surreal appearance, similar to the stripes of a zebra. The samples are available in various sizes and comes supplied in a card tray with a label.

    Out of stock

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    Biotite Gneiss (1kg) £6.00 ex VAT

    Biotite Gneiss rock specimens collected from Evje, Norway. Specimens will show banding. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

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    Biotite Granite (1kg) £5.00 ex VAT

    Coarse grained variation of granite, composed of quartz, feldspar and biotite. These samples were collected from Scotland and are ideal for educational use.

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    Breccia – Calcrete (1kg) £4.00 ex VAT

    This Breccia is a calcrete cemented scree deposit of Pleistocene age from the Manifold Valley in Staffordshire. Supplied by weight, comes in a thick polythene bag with an information label.

    Out of stock

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    Bunter Sandstone

    Specimens of bunter sandstone from Knutsford, Cheshire, UK. This bunter sandstone is a desert sandstone from the Buntsandstein (bunter sandstone) strata. Samples are supplied in a white card tray with an information label and are ideal for collectors of British rocks.

    Out of stock

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    Cannel Coal (1kg) £9.00 ex VAT

    Cannel coal by it’s physical morphology and low mineral content is considered to be coal but by its texture & organic matter content it is considered to be oil shale. Available by weight in lots of 1 kilogram.

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    Carrstone £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Carrstone is a sedimentary rock which has a distinct, rusty red colour. These particular specimens found in Wesctott, Surrey formed during the Cretaceous period, a friable rock, it is iron rich, obtaining its colour from leaching. Used commonly as a building stone, the samples we have available have various size options and come supplied in a card tray with a label.

    50 in stock

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    Chalk (1kg) £5.00 ex VAT

    Chalk is a fine, porous, white form of limestone of Cretaceous age. Formed from the accumulation of coccoliths in a relatively deep marine environment. Supplied by weight, sizes vary.

    75 in stock

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    Chert (1kg) £5.00 ex VAT

    Chert, a hard cryptocrystalline silica found as nodules & bands within the Cretaceous Chalk. Supplied by weight in 1 kilo bags.

    Out of stock

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    Coal (Bituminous) – (1kg) £4.00 ex VAT

    Bituminous coal is a soft sedimentary rock with a high organic content & the tar-like substance Bitumen. It is of a lower grade than Anthracite but higher grade than Lignite. Supplied in lots of 1 kg.

    Out of stock

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    Conglomerate (1kg) £5.00 ex VAT

    Conglomerate with well rounded clasts from Faringdon, UK. A good example of the lithotype as opposed to a Breccia which would contain predominantly angular to sub-angular clasts. Supplied by weight in bags weighing 1 kilo.

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    Coral Limestone (1kg) £4.00 ex VAT

    Carboniferous coral limestone from Anglesey, North Wales. Composed largely of well preserved Lithostrotion corals, supplied in lots of 1 kilogram.

    Out of stock

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    Crinoidal Limestone (1kg) £5.00 ex VAT

    Lower Carboniferous crinoidal limestone from Derbyshire, U.K. Supplie dby weight in lots of 1 kg. Comes in a polythene bag with an information label.

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    Crinoids Cluster Piece £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    A small hand sample of fossil limestone containing numerous small Scyphocrinites crinoid stem fragments. Crinoids are fossilised sea lilies, these particular sample come from South Morocco. Often the stems are only preserved in fragments as can be seen. Samples measure approx in 3″ size and come in a small card tray with a label.

    300 in stock

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    Eclogite (1kg) £18.00 ex VAT

    Eclogite is an uncommon rock, composed of mainly two minerals, reddish-brown garnets and Omphacite (green pyroxene). Other minerals, such as kyanite may also be present. These rocks come from Almenning, Norway. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

    Out of stock

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    Estuarine Sandstone (1kg) £5.00 ex VAT

    A fine grained sandstone formed in estuarine (river mouth) conditions, composed of fine quartz and mica. Available by weight in 1 kilo bags with an information label.

    Out of stock

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    Flint – Devon £1.61 – £2.88 ex VAT
    Specimen Size
    2" x 2"3" x 2"

    Flint is a variety of chert and a hard sedimentary rock of the silicate family with a conchoidal fracture. It exhibits a monochromatic colour scheme with a dark grey or black interior contrasted with a vibrant white exterior. It was collected from South Devon, and comes supplied in a card tray with an information label.

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    Frosterley Marble (1kg) £4.00 ex VAT

    Frosterley Marble is not a marble but a black limestone containing fossil coral specimens of Carboniferous age. The specimens are from Harewood quarry, Co. Durham, supplied by weight in lots of 1 kilogram.

    Out of stock

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    Gabbro (1kg) £5.00 ex VAT

    Classic Gabbro specimens, showing typical coarse grained crystalline texture. Gabbro is an intrusive mafic igneous rock chemically similar to basalt.

    44 in stock

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    Gabbro With Magnetite And Ilmenite – Cumbria £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Specimens of gabbro from Carrock Fell, Cumbria, UK which contain trace amounts of magnetite and ilmenite. Specimens are supplied in labelled card trays.

    74 in stock

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    Garnet Amphibolite (1kg) £15.00 ex VAT

    Garnet Amphibolite supplied in a card tray with a label. This attractive rock from southern Norway has highly prominent garnet porphyroblasts (also known as cherry cake).

    Out of stock

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    Garnet Mica Schist (1kg) £8.00 ex VAT

    Garnet Mica Schist . The specimen is mostly muscovite mica schist with a scattering of small pink or red garnets. Collected from Scotland. Supplied by weight, pieces come as they are in various shapes and sizes up to the weight of 1 kilogram. Packed in a polythene bag with an information label.

    24 in stock

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    Glaucophane Schist (1kg) £18.00 ex VAT

    Glaucophane Schist is also known as Blueschist. The blue-green colour comes from the dominant presence of the minerals Glaucophane (amphibole) & Lawsonite. These samples are supplied in lots of 1 kilogram and come with an information label.

    15 in stock

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    Gneiss – Scotland (1kg) £4.00 ex VAT

    Lewisian Gneiss; Pre- Cambrian metamorphic rocks that outcrop in the North West of Scotland. Formed by high grade regional metamorphism of granites & sedimentary rocks. Supplied in lots of 1 kg.

    6 in stock

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    Graphic Granite (1kg) £10.00 ex VAT

    Graphic Granite is a leucocratic igneous rock found predominantly in granitic pegmatites. It’s coarse intergrowths of feldspars display a Runic or Cuneiform configuration hence the term “graphic”

    100 in stock

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    Greisen (1kg) £6.00 ex VAT

    Greisen are a form of granitic rock or pegmatites which have been highly altered, it is formed by autogenic alteration of a granite and is a considered an endoskarn. These samples of Greisen appear mostly yellow in colour and come from Cumbria, UK. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

    19 in stock

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    Greywacke £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Greywacke, a hard, grey, poorly sorted sandstone of Silurian age.

    30 in stock

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    Greywacke (1kg) £5.00 ex VAT

    Greywacke, a hard, grey, poorly sorted sandstone of Silurian age. Available by weight in lots of 1 kilogram.

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    Larvikite (Syenite) (1kg) £12.00 ex VAT

    Larvikite found in Norway. Specimens are supplied in a polythene bag in lots of 1 kg with a label. Larvikite is defined as a monzonitic plutonic rock and is almost entirely composed of feldspar.

    Out of stock

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    Limestone £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Carboniferous ( Dinantian ) Limestone from the White Peak area of Derbyshire.

    100 in stock

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    Limestone (1kg) £5.00 ex VAT

    Limestone, a common sedimentary rock often used in building and stone work. These samples are carboniferous in age and are supplied by weight in lots of 1 kg.

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    Magnesian Limestone £1.38 – £2.62 ex VAT
    Specimen Size
    2" x 2"3" x 2"

    Magnesian Limestone. A dolomite rich rock from the Permian formations of North Yorkshire.

    Out of stock

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    Mahogany Obsidian (1kg) £6.00 ex VAT

     

     

    This Mahogany obsidian is sourced in the United States of America. Impurities of magnesium and iron give this variety a red or brown appearance hence the name ‘mahogany obsidian’ or oak obsidian. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

    Out of stock

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    Marl (Red) £1.38 – £2.62 ex VAT
    Specimen Size
    2" x 2"3" x 2"

    This red coloured Marl is a lime (Calcium Carbonate) rich mudstone from the Triassic of Gloucestershire. They are supplied in labelled card trays.

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    Marl (Tea Green) £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Tea Green Marl. A greenish grey dolomitic mudsone from the Triassic of Gloucestershire.

    50 in stock

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    Metaquartzite – Anglesey (1kg) £6.00 ex VAT

    Metaquartzite specimens found in Anglesey, Specimens are supplied in a polythene bag in lots of 1 kg with a label.

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    Micaceous Sandstone

    Micaceous Sandstone. As the name suggests, this type of sandstone contains flakes of mica which can be seen glinting in the specimens.

    Out of stock

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    Microgranite (Cumbria) (1kg) £5.00 ex VAT

    Micro Granite is a variation of the granite group of rocks, composed of the minerals quartz, feldspar and mica. These particular samples were collected from Threlkeld quarry, Cumbria, UK. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

    Out of stock

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    Millstone Grit

    Millstone Grit. A coarse grained Carboniferous (Namurian) sandstone from the North of England.

    90 in stock

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    Millstone Grit (1kg) £4.00 ex VAT

    Carboniferous Millstone Grit found in Lancashire, once a popular building material due to its strength. Available by weight, comes in a 1 kg bag.

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    Mudstone £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Carboniferous Mudstone found in Lancashire supplied in a card tray with a label.

    300 in stock

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    Mudstone (1kg) £5.00 ex VAT

    Carboniferous Mudstone found in Lancashire supplied by weight, comes in a polythene bag with an information label.

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    Natrolite in Basalt

    Natrolite crystals as amygdales in basalt, these rock specimens were collected from Glenfarg, Perthshire, Scotland and exhibit rare pink variations of natrolite, a sodium alluminium mineral. Normally, natrolite forms as clusters of accicular crystals, these however lack that. Available in 2 sizes, these samples come supplied in a card tray with label.

    Out of stock

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    Obsidian £5.31 – £88.50 ex VAT
    Quantity
    1 kg5 kg10kg25 kg

     

     

    Obsidian is a naturally occurring volcanic glass derived from a rapidly cooled high silica lava. Often associated with the margins of Rhyolitic lava flows. It has little or no discernable crystalline structure. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

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    Old Red Sandstone (1kg) £5.00 ex VAT

    Devonian lower Old Red Desert Sandstone from Gloucestershire , sold loose in random sized pieces in a polythene bag by weight.

    100 in stock

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    Olivine (1kg) £12.00 ex VAT

    This pure olivine, also known as Dunite Peridotite shows a bright green colouration. The specimens come from Norway and may contain streaks of the rare mineral Kammererite which appears silver in colour. Some specimens may be granular in texture whereas some may be more crystalline. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

    Out of stock

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    Oolitic Limestone – Yorkshire (1kg) £4.00 ex VAT

    Oolitic Limestone. Jurassic (Oxfordian) in age from the Malton Oolite & Coral Rag member. Generally much harder than the oolitic example from Gloucestershire. Supplied by weight with the size of pieces being random, comes in a polythene bag with an information label.

    Out of stock

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    Orthoquartzite (1kg) £4.00 ex VAT

    Stiperstones Orthoquartzite from the Cambrian period. A very pure, hard, well cemented sandstone. It is normally whitish or pale grey-buff in colour with occasional streaks of impurities. Supplied by weight in lots of 1 kilogram.

    Out of stock

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    Phyllite (1kg) £6.00 ex VAT

    Phyllite is a foliated metaorphic rock formed from slate which has been further metamorphosed. These specimens from Cumbria show good, fine cleavage and a silky metallic lustre. Supplied in lots of 1 kg.

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    Pink Gneiss (1kg) £5.00 ex VAT

    Large Pink Gneiss rock specimens collected from Evje, Norway. Specimens also contain some Biotite and show banding. Supplied in 1 kilogram polythene bags with a data label.

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    Pisolite £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Pea Grit (pisolite) is the name given to a Middle Jurassic limestone which is characterised by its large spherical grains or Pisoids, similar to ooliths. Specimens are supplied with a labelled card tray.

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    Porphyritic Trachyte £1.27 – £3.27 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Porphyritic trachyte from East Lothian, Scotland exhibiting excellent rhomb porphyry crystal inclusions of feldspar. These rock specimens are available in a range of sizes and will come with a tray and a data label.

    Out of stock

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    Preseli Bluestone – (Dolerite) (1kg) £10.00 ex VAT

    These specimens of ‘Preseli Bluestone’ are a form of Spotted Dolerite. The samples originate from the Preseli Hills of Wales, and were transported by a glacier & deposited as glacial erratics. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

    Out of stock

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    Pumice – 500 g £4.00 ex VAT

    Pumice specimens from the Lipari islands, Italy. Pumice is an igneous rock with a highly porous structure resulting from trapped gas bubbles as the lava was being ejected. The rock is usually very light & buoyant in water. Specimens are supplied in a polythene bag in lots of 500g with a label.

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    Pyritised Sediment £1.32 – £1.99 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"

    Specimens of pyrite nodules formed from iron sulphide rich sediments, dated to the Jurassic period 195 Mya and collected from Charmouth, UK. These curious specimens are ideal for both mineral collectors and educational use. Samples are supplied in a white card tray with an information label.

     

    Out of stock

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    Quartz Monzonite £1.27 – £3.57 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Quartz monzonite igneous rock specimen from Ratagan, Scotland. Associated to granites, yet containing only 5% to 20% quartz, making it a monzonite, these intrusive felsice rocks are igneous in origin and are available in different sizes, supplied in a white card tray with a label.

    Out of stock

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    Reef Limestone £1.73 – £2.88 ex VAT
    Specimen Size
    3" x 2"4" x 3"

    Highly fossiliferous reef limestone from the 425 million year old Wenlock Series of the Silurian. Wren’s Nest, Dudley, West Midlands.

    Out of stock

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    Rhomb Porphyry (1kg) £5.00 ex VAT

    An igneous rock exhibiting a porphyritic texture containing large cubic crystals of feldspar within a fine grained matrix. Collected near Oslo, Norway. Each sample is supplied in a labelled card tray. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

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    Rhyolite (1kg) £5.00 ex VAT

    Rhyolite specimens found in Cumbria. Rhyolite is a felsic (silica rich) rock, often formed in highly explosive volcanoes. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

    Out of stock

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    Rhyolite Felsite (1kg) £5.00 ex VAT

    Rhyolite Felsite, a highly felsitic composed variation of Rhyolite, found in Scotland. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

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    Ribbon Banded Mudstone (Shale) (1kg) £5.00 ex VAT

    Ribbon banded mudstone, Silurian in age, collected from the Denbigh grits in Wales, UK. Supplied by weight, the product will come in a 1 kilogram bag and the size of samples inside will vary.

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    Rock Gypsum £1.38 – £2.88 ex VAT
    Specimen Size
    2" x 2"3" x 2"

    Rock Gypsum, a Triassic evaporite deposit from Nottinghamshire, U.K. Specimens are supplied in labelled card trays.

    50 in stock

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    Shap Granite (1kg) £5.00 ex VAT

    Adamellite granite also known as shap granite from Cumbria, famous for its large pink feldspar crystals his granite is well known. The samples come from the Shap Quarry, Shap Fell, Cumbria and are supplied in a polythene bag in lots of 1 kg with a label.

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    Slate (1kg) £5.00 ex VAT

    Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from a shale-type protolith composed of clay or volcanic ash through low-grade regional metamorphism. Supplied in lots of 1 kilos, with an information label.

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    Spotted Rock £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Specimens of spotted rock from Blencathra, Cumbria, UK. The samples are supplied in a white card tray with an information label, ideal for educational use or great as an addition to any rock collection.

    Out of stock

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    Torridonian Sandstone (1kg) £5.00 ex VAT

    Torridonian Sandstone from Loch Kishorn, Scotland. The sandstone of pre-cambrian age and among the oldest rocks found in the British isles and gets its name from Torridon where it is found. Supplied by weight, sizes vary.

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    White Marble (1kg) £5.00 ex VAT

    White marble showing excellent crystal texture with a sugary appearance. Supplied by weight and come in lots of 1 kilogram bags .

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