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Species Name: Trigonostoma acutangula
Family: Gastropod
Age: Miocene, Burdigalian, 20 to 15 Mya.
Location: Leognan, France
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Trigonostoma acutangula gastropod mollusc collected from Miocene sediments in Leognan, France. Trigonostoma is a genus of marine gastropod mollusc belonging to the family Cancellariidae i.e. the nutmeg snails.They have intricate, turbinbate shells which have a pitted appearance. These specimens are in good condition and we have two different sizes in stock: Small sizes measure between 20 and 30 mm in diameter while large measure between 30 and 40 mm in length from the base of the aperture to the apex of the shell. Each gastropod is supplied individually in a small plastic bag with an information label.
Weight | 20 g |
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Shell Length: | Large, Small |
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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.
6 in stock
Dolomite crystal beds, pink in colour form Morocco, the presence of manganese results in a pale pink hue, these mineral specimens also have larger crystals than the UK material and are higher quality. Available in various optional sizes, supplied in tray with a data label.
50 in stock
Carboniferous ( Dinantian ) Limestone from the White Peak area of Derbyshire.
100 in stock
Kraft sample bags are made using the Kraft pulping process resulting thick paper, making the envelopes strong and ideal for storing geological field specimens and geochemical soil samples. These are wet strength bags and can be used to store wet or dry geochemical samples and are 5″ x 10″ in size (125 mm x 250 mm).
Out of stock
Iceland spar mineral specimens from Santa Eulalia, Chihuahua, Mexico, samples are crystal clear, exhibit perfect rhombic shape and excellent double refraction. They are available in 2 sizes only and will come supplied in a card tray with a label.
20 in stock
Estwing produced nylon hammer holster produced from industrial grade nylon which is tough for use in rugged conditions. This holster is suitable for use with Estwing pointed tip range of geological hammers and rock pick, with the head sitting securley in a pouch which attaches to your belt.
3 in stock
Native copper ore mineral specimens from the famous Keweenaw copper deposits of Mitchigan, U.S.A. The specimens have a heavy red-orange metallic specimens with streaks of blue-green oxidation and a wiry crystal habit. Available in a range of sizes.
Out of stock
Highly fossiliferous reef limestone from the 425 million year old Wenlock Series of the Silurian. Wren’s Nest, Dudley, West Midlands.
30 in stock
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
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
Green jasper mineral specimens from India, deep green in colour due to the presence of chrome and iron mineral impurities, this chalcedony mineral breaks with a conchoidal fracture, has a glassy texture and can have sharp edges, caution is advised. Available in various sizes, this well known mineral has been used in the past as a gemstone as it takes a high polish, natural specimens, they will come supplied in a card tray with an information label.
97 in stock
Geo Marker marking spray for use within the building, construction road, civil engineering, surveying and mining sectors, this spray can be applied to asphalt, concrete, masonary, stone, plaster, wood and even earth whether the surface is wet or dry. Can be used in temperatures down to -20 °C, the spray can utilises a special cap which means 100% of the can will be emptied and won’t give you painted fingers, the paint will also last upto 9 months and can be applied to both wet and dry surfaces. Each can hold 500 ml of paint and is available in 9 bright fluorescent colours.
Out of stock
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