Geology Superstore
Geology Superstore

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  • Anyolite – Tanzania £2.00£3.00 ex VAT

    Specimens of the rock anyolite comprised of the minerals zoisite, corundum var. ruby and pargasite from Mundarara Mine, Arusha Region, Tanzania. Specimens are supplied in a magnifier box and come with an information label.

    Please note that the size of the ruby within the rock varies between specimens.

  • Augen Gneiss £1.15£3.46 ex VAT

    Augen Gneiss is a foliated metamorphic rock with large crystals of lenticular or eliptical shear bound microcline.

    Out of stock

  • Biotite Gneiss – Norway

    Biotite gneiss is a metamorphic rock found in Evje, Norway. These specimens exhibit 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.

    78 in stock

  • Chiastolite Slate £1.73£3.68 ex VAT

    Chistolite slate is a variation of slate which also contains chiastolite crystals within it,the slate its self is either a brick red or plum colour with the chiastolite crystals appearing as white lines and randomly orientated within the rock matrix. rock specimens are available in various sizes and will be supplied in a labelled card tray.

  • Connemara Marble £1.73£2.88 ex VAT

    A rare, green marble dating back some 700 million years to the end of the Pre-Cambrian. This marble comes from the Streamstown quarry in Clifden, Co. Galway. Specimens ( max size 3″ x 2″) are supplied in a labelled card tray.

    Out of stock

  • Cordierite Hornfels

    This variation of Hornfels exhibits strong banding with small crystals of Cordierite.The samples were collected from near Carrock Fell. Cumbria, UK. .

    41 in stock

  • Eclogite £4.03£16.10 ex VAT

    Eclogite is an uncommon metamorphic rock, composed of mainly two minerals, reddish-brown garnets and omphacite, a green pyroxene. Other minerals, such as blue kyanite  and white quartz may also be present. Over all, it is an attractive looking yet rare rock, with a vibrant green colouration with red garnets to break it up. These rocks come from Almenning, Norway. Specimens are supplied in card trays with labels and come available in 4 sizes.

  • Eclogite – Scotland

    Eclogite is a rare metamorphic rock, these specimens come from Scotland and exhibit the two major minerals expected, red garnets and green omphacite. However, both minerals appear to be much darker in colour when compared to Norwegian material. Our stock of this is fairly low now, and only smaller size pieces are available, they will come supplied in a card tray with a data label.

    Out of stock

  • Fuchsite – Brazil £1.59£2.38 ex VAT

    Fuchsite mineral specimens displaying a rich green colour due to the presence of chromium. These mineral samples come from Brazil and are supplied in a white card tray with an information label.

    Out of stock

  • Garnet Amphibolite £1.38£4.83 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).

    26 in stock

  • Garnet Mica Schist

    Garnet mica schist from Loch Tay, Scotland, showing in excellent detail the effects of regional metamorphism along plate boundaries, the garnets push the mica crystals around it due to being stronger, the specimens are available in various sizes or as a cut and lacquered piece, supplied in a card tray with a data label.

    62 in stock

  • Garnet Mica Schist – Fauske £3.34£5.64 ex VAT

    Garnet Mica Schist from Fauske, Norway, displaying the details of regional metamorphism adjascent to a plate boundary. The garnet crystals stand out and protrude from the micaceous matrix. Specimens available in 2 sizes, and come supplied with a card tray and information label.

    71 in stock

  • Glaucophane Schist £3.45£6.90 ex VAT

    Glaucophane Schist is also known as Blueschist. The blue-green colour comes from the dominant presence of the minerals Glaucophane (amphibole) & Lawsonite (related to epidote). These specimens were collected from the Isle of Anglesey, North Wales.

    56 in stock

  • Gneiss – Lewisian

    Lewisian gneiss from Northwest Scotland, formed during the Pre-Cambrian period, making it among the oldest rocks in the UK, pushed to the surface during an oregenic event, Lewisian gneiss exhibits banded like most gneisses but is comprised of more dark, dense minerals, often igneous in origin. Specimens are available in 3 different sizes.

    Out of stock

  • Gneiss – Norway

    Gneiss from Evje, Norway, containing more feldspar and quartz than Lewisian gneiss from Scotland, giving it a pink colour, these specimens show excellent banding and text book crystal structure, supplied in 3 sizes, ideal for educational use.

    100 in stock

  • Graphitic Schist £1.38£3.46 ex VAT

    Samples of graphitic schist from the Pre-Cambrian Dalradian formation, making them among the oldest rocks in the country. The samples come from the Ben Eagach schist formation at Foss mine, Scotland, UK and were collected by our own members of staff. The rock contains mica and graphite, which gives the specimens their unique mica appearance and greasy graphitic texture and lustre.

    75 in stock

  • Greenschist £1.38£3.46 ex VAT

    Greenschist metamorphic rock specimens from Scotland, exhibiting excellent schistose texture and folliation and a deep green colouration due to the presence of chlorite and serpentine. Specimens are available in various sizes and supplied in a card tray with a data label.

    78 in stock

  • Greisen £1.44£3.85 ex VAT

    Greisen metamorphic rock specimens from Caldbeck Fells, Cumbria, composed mainly of quartz and mica with an off yellow colouration. The rock is known as an endoskarn and forms when hydrothermal fluid and heat alter a granitic body, resulting a heavily altered rock which may contain trace amounts of rare elements. These samples are suitable for advanced collectors and higher level education and are available in three sizes, each pieces will come supplied in a card tray with a label.

    37 in stock

  • Hornblende Gneiss £1.73£3.68 ex VAT

    Hornblende gneiss is a coarse grained metamorphic rock belonging to the gneiss family, its overall dark colouration is due to high levels of the mafic mineral hornblende, while quartz and feldspar are also present. The rock specimens come from southern Norway and are available in various optional sizes.

    198 in stock

  • Hornfels

    Hornfels, dark blue or black in colour collected from Shap quarry, Cumbria, a strong, durable rock, splintery when broken is comprised of mafic minerals, the rock may also exhibit acoustic properties. Supplied in a sized up card tray with an information label.

    35 in stock

  • Hornfels (Banded) £1.50£3.45 ex VAT

    Banded hornfels exhibiting an alternating band feature, likely due to the original rock being layered such as sandstone, shale etc. The specimens come from Kentellen, Scotland, are available in different sizes and come in a card tray, suitable for school use.

    Out of stock

  • Marble

    White marble exhibiting medium interlocking crystals suggesting a limestone rock origin These particular specimens are from Torrin Quarry on the Isle of Skye, Scotland and are available in three optional sizes.

    76 in stock

  • Marble With Forsterite

    Marble with forsterite which has been hydrated to serpentine. Found in Ledmore Quarry, Sutherland. Scottish Highlands. Specimens are supplied in a card tray with a information label.

    73 in stock

  • Metagabbro £2.30£5.06 ex VAT

    Metagabbro specimens from Lom, Central Norway. Also known as scapolite-hornblende due to the absence of feldspar in the rock are available in 3 optional sizes and come supplied in a card tray with a data label.

    45 in stock

  • Metaquartzite – Anglesey £1.73£3.68 ex VAT

    Metaquartzite is a low grade metamorphic rock often composed mainly of quartz, however, other minerals can exist, and mineral impurities during crystalisation can result in differing colours, these particular samples from Anglesey have a green colouration to them. The rock specimens are available in 3 different sizes and come in a card tray with a data label.

  • Metaquartzite – Scotland £1.73£3.68 ex VAT

    Metaquartzite collected from Onich near Ballachulish, Scotland, which detail text book quality metaquartzite, pure white, hard and composed mainly of quartz with very few impurities, these rock specimens are ideal for educational use or as part of a larger collection of rocks, supplied in a card tray with a label.

  • Meteorite Impact Breccia

    Gardnos impact breccia are fine examples of a meteorite impact breccia formed approximately 540 million years ago at the Gardnos Crater, Nesbyen, Hallingdal, Norway. Specimens are supplied in a card tray and come with an information label.

    Out of stock

  • Mica Schist £1.38£3.46 ex VAT

    Dalradian mica schist is a famous metamorphic rock, composed mostly of the minerals muscovite mica with occurrences of quartz and feldspar, these rock specimens are Pre-Cambrian in age and come from Scotland, supplied in a card tray with an information label.

    Out of stock

  • Migmatite £3.68£10.35 ex VAT

    Migmatites are an unusual rock that is a mixture of both igneous & metamorphic lithologies.The samples were collected by our staff and come from central Norway. Each specimen comes in a card tray with a label.

    72 in stock

  • Mylonite

    Mylonite exhibiting ribbon texture from Lom, central Norway, excellent rock specimens and rare to come by, available in various sizes.

    65 in stock

  • Phyllite £1.73£3.68 ex VAT

    Phyllite is a foliated metamorphic rock formed from slate which has been further metamorphosed. These specimens from Kinlochleven in Scotland and show good, fine cleavage and a silky metallic lustre.

    200 in stock

  • Red Soapstone (Shetland Islands) £3.45£23.00 ex VAT

    Specimens of red soapstone from the Shetland Islands, Scotland, UK. Supplied in a white card tray with an information label, these peculiar samples are ideal for any collector of British material.

  • Rhodolite Garnets in Mica Schist and Quartz £2.38£6.37 ex VAT

    Rhodolite garnets in quartz and mica schist matrix from Southern Norway exhibiting bright vibrant pink coloured garnets in a white quartz and metallic grey mica schist with a start contrast of colours, these minerals specimens are available in 3 sizes and come supplied in a card tray with a label.

  • Serpentine

    Serpentine is a green coloured schist rock, most famous from its type locality along the Lizard peninsula, Cornwall. These specimens come from the Isle of Anglesey, have a much more vibrant colour and are available in various sizes.

    Out of stock

  • Serpentine – Norway

    Specimens of serpentine found in Modum, Southern Norway. Specimens are supplied in a card tray with a information label.

    Out of stock

  • Serpentine Conglomerate

    Hand samples of serpentine bearing conglomeritic clasts (rounded pebbles). The samples were collected from the Lalm-Sel area in the Caledonides of central Norway and are supplied in card trays with a name label.

    Out of stock

  • Slate £1.38£3.46 ex VAT

    Slate from Wales, famous for its use as a roofing material, these specimens exhibit text book characteristics such as fine grain crystal structure, foliation, slatey cleavage and a variety of colours, excellent for educational use, supplied in various sizes.

    81 in stock

  • Tigers Eye £2.65 ex VAT

    Tiger eye specimen, a metamorphic rock, often classified as a mineral, comprised of numerous golden brown fibrous crystals which stem from the mineral previously being asbestos. These samples come from South Africa and are available in 1.5″ size only and comes supplied in a card tray with a label.

    10 in stock

  • Wehrlite £3.55£9.20 ex VAT

    Specimens of wehrlite from Gusdal Olivine Pit, Åheim, Norway. These specimens are supplied in a white card tray with an information label and are a perfect addition to any rock collection.

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