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A Triassic red millet seed sandstone of aeolian desert origin. Samples come from Penrith, Cumbria and are supplied by weight.
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
Araneograptus murrayi fossil graptolite specimens which exhibit dendritic morphology. The samples are preserved within Fezouata shale deposits of lower Ordovician which is within the Drâa-Tafilalet region of Morocco and show the fan like structure this species had during life. A colonial animal, graptolites likely floated trough the ocean and filter fed, much similar to corals. The abundance of iron in the rock gives the shale and fossils a pale orange colouration. Graptolites themselves are important for geological dating as specific species can be used as zoning fossils to determine the age of strata, as such, these samples are not only suitable for enthusiasts but also educational use. They come supplied in a card tray with an information label.
293 in stock
Banded hornfels, showing excellent banded structure, samples come from Scotland and are supplied by weight in lots of 1 kilogram.
Out of stock
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
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
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.
Coarse grained variation of granite, composed of quartz, feldspar and biotite. These samples were collected from Scotland and are ideal for educational use.
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
Fossil Calamites specimens from Lancashire. A popular plant fossil among professionals and children, easily recognisable due to it’s ‘lined’ texture. We stock a few larger specimens available on request. They belong to the plant family of Horsetails, some growing up to 20 m in height.
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.
Carpopenaeus Longirrostris fossil shrimp specimens found with in a fine grained micritic limestone known as lagerstatten, these samples are from the late Cretaceous period and were found in Hajoula, Lebanon from a quarry renowned for its exceptional preservation of fauna. This particular species derives its name from the long spike (rostrum) protruding from its head (meaning long rostrum), they look similar to modern day shrimps making them useful for educational use to exhibit lack of changes in certain species body plans over millions of years. The samples come supplied in a card tray with a label.
17 in stock
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.
81 in stock
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.
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.
Carboniferous coral limestone from Anglesey, North Wales. Composed largely of well preserved Lithostrotion corals, supplied in lots of 1 kilogram.
Out of stock
• Geological Age: Carboniferous period
• Location: Clitheroe, Lancashire, UK
• Family: Echinoderm
• Species: Crinoid
Fossil crinoid stems from Clitheroe, Lancashire, these specimens are excellent for collectors and educational use, they are of an fairly good size where morphological details can be easily seen, ranging from 40 to 60 mm in length and varying thicknesses. They samples will come supplied in a card tray with a label.
• Geological Age: Silurian period, 443 to 416 millions years old
• Location: Djebel Issoumour, Alnif, Morocco
• Family: Echinoderm
• Species: Crinoid
Moroccan fossil crinoid stem specimens supplied in packets of 5 pieces, dated to over 400 million years old, they lived during the Silurian period and show excellent clear morphological details such as stem segments. Ideal for educational use and young collectors.
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.
Out of stock
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
• Geological Age: Cretaceous period, Wealden Sales, 145 to 126 millions years old
• Location: Isle of Wight, UK
• Family: Ostracod
• Species: Cypridea spinigera
Cypridea spinigera are minute ostracods, a species of crustacean so small, they are easiest viewed under a microscope. These fossil specimens date back to the Cretaceous period, over 145 million years ago, the matrix shows the hard exterior, all that remains of the animal in a sandy shale matrix.
Study grade specimens of Dictyonema Graptolites showing well preserved stipes. Size of pieces will vary.
Out of stock
Good quality fossil specimens of Didymograptus graptolite. These fossil specimens are found in Shale and the ‘tuning fork’ shape can be clearly seen, making them ideal to add to your fossil collection, or for high quality study and teaching use. Specimens are supplied in various sizes and come in a small card tray with an information label.
Out of stock
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
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.
Chert, a hard cryptocrystalline silica found as nodules & bands within the Cretaceous Chalk. Supplied by weight in 1 kilo bags.
25 in stock
Geological Age: Triassic
Fossil Location: Madagascar
Small Triassic fossilised twigs from Madagascar, the twigs vary in size approx: 1.5″. A small ideal specimen ideal for teaching use, at the great price of only 10p!
Geological Age Triassic
Fossil Location: Madagascar.
Slices of fossil wood from Madagascar. Specimens are polished on one side to enable clear viewing of inside features.
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
Classic Gabbro specimens, showing typical coarse grained crystalline texture. Gabbro is an intrusive mafic igneous rock chemically similar to basalt.
44 in stock
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
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
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
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.
Out of stock
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
Specimens of various Graptolites, low grade. Sizes of the fossils vary and are supplied in a small card tray with a label.
Out of stock
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
Greywacke, a hard, grey, poorly sorted sandstone of Silurian age. Available by weight in lots of 1 kilogram.
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.
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.
Out of stock
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
Metaquartzite specimens found in Anglesey, Specimens are supplied in a polythene bag in lots of 1 kg with a label.
• Geological Age: Aptian stage, Cretaceous Period, 125 to 113 million years old
• Location: Atherfield Clay, Atherfield, Isle Of White, UK
• Family: Crustacean
• Species: Meyeria vectensis
Meyeria vectensis fossil specimens, exhibiting the remains of shrimps which lived 125 million years ago during the Cretaceous period in the ocean over what is now Atherfield on the Isle of Wight, UK. The samples are 5 cm in length in a clay matrix, with only certain parts such as the thorax or pincers visible. Ideal for educational use or certain collectors.
Out of stock
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.
Carboniferous Millstone Grit found in Lancashire, once a popular building material due to its strength. Available by weight, comes in a 1 kg bag.
Out of stock
Carboniferous Mudstone found in Lancashire supplied by weight, comes in a polythene bag with an information label.
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.
Devonian lower Old Red Desert Sandstone from Gloucestershire , sold loose in random sized pieces in a polythene bag by weight.
100 in stock
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.
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
• Geological Age: Carboniferous period, 359 to 299 millions years old
• Location: Richmond, Yorkshire, UK
• Family: Echinoderm
• Class: Blastoidea
• Species: Orbitremites derbiensis
Orbitremites derbiensis blastoid collected from Carboniferous sediments in Richmond, Yorkshire, UK. Orbitremites belong to the class Blastoidea and they are a type of echinoderm. Small measures between 0.5 – 1 cm and Large between 1 – 1.5 cm in diameter.
Out of stock
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
• Geological Age: Mississippian, early Carboniferous period, 358 to 323 million years old
• Location: Pella Beds, Oskaloosa, Iowa, USA
• Family: Echinoderm
• Class: Blastoidea
• Species: Pentremites concoideus
Pentremites concoideus fossil specimens collected from the Mississippian stage Pella Beds in Oskaloosa, Iowa, USA of the Carbonierous period. Pentremites belong to the class Blastoidea and they are a type of echinoderm. These specimens measure 5 mm in diameter.
Out of stock
• Geological Age: Mississippian, early Carboniferous period, 358 to 323 million years old
• Location: Indian Springs Shale Formation, Crawford County, Indiana, USA
• Family: Echinoderm
• Class: Blastoidea
• Species: Pentremites sp.
Pentremites sp. blastoid collected from the Mississippian Indian Springs Shale Formation in Crawford County, Indiana, USA. Pentremites belong to the class Blastoidea and they are a type of echinoderm.
• Geological Age: Mississippian, early Carboniferous period, 358 to 323 million years old
• Location: Big Clifty Formation, Sulphur, Indiana, USA
• Family: Echinoderm
• Class: Blastoidea
• Species: Pentremites sp.
Pentremites sp. fossil collected from the Mississippian Big Clifty Formation, Indiana, USA. Pentremites belong to the class Blastoidea and they are a type of echinoderm.
Out of stock
• Geological Age: Pennsylvanian stage, late Carboniferous period, 323 to 298 million years old
• Location: Indiana and Oklahoma, USA
• Family: Echinoderm
• Class: Blastoidea
• Species: Pentremites sp.
Pentremites sp. blastoid collected from Pennsylvanian sediments in Indiana or Oklahoma, USA. Pentremites belong to the class Blastoidea and they are a type of echinoderm. These specimens measure approximately 2 cm in diameter.
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.
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.
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
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.
• Geological Age: Triassic period, Molteno Formation, 237 to 228 million years ago.
• Location: Gokwe, Zimbabwe, Africa
• Family: Plant
• Species: Rhexoxylon africanum
Rhexoxylon africanum is a rare species of seed fern found in Gokwe, Zimbabwe, Africa. These fossil specimens are dated to the Triassic period, existing 237 million years ago. These excellent samples exhibit the fossil in slices and are excellent for both educational use to view the internal structure of flora as well as for aesthetic purposes.
Out of stock
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.
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
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.
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.
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.
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.
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.
White marble showing excellent crystal texture with a sugary appearance. Supplied by weight and come in lots of 1 kilogram bags .