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Chromite mineral specimens from Feragen chromium mines, Feragen, Røros, Sør-Trøndelag, Norway. Specimens are found along side many dunitic rocks as expected of this site, they are black in colour and fairly dense, available in a range of sizes, each supplied in a labelled card tray.
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Chromite mineral specimens exhibiting the dense weight expected of chrome rich minerals, chromite is an iron chromium oxide mineral which belongs to the Spinel group, a classification of minerals based on their unique crystalographic structure and lattices. Chromite can often be found as a lens inclusion in perodities or in other layered ultra mafic rocks. It is also known to be asociated with serpentine, indeed, it almost looks and feels like a black variation. Thjese particular specimens were collected by staff and come from the Feragen Chromium Mines district in Feragen, Røros, Sør-Trøndelag, Norway. The chromite mineralisation at these sites is almost exclusively confined to the dunitic members which can be traced for more than 300 m along strike. The 235 occurrences which were exploited in this area yielded 32,500 metric tons of ore, representing about 90% of the total Norwegian chromite ore production. Mostly the deposits are in shallow pits, which cover a large area of the hillside. They were exploited during the second World War and have been abandoned for many years. Specimens are available in a range of sizes, each supplied in a labelled card tray.
Weight | 300 g |
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Specimen Size | 1.5 " x 1.5", 2" x 2", 3" x 2", 4" x 3" |
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Specimens of Chrome Dioside in a Calcite and Tremolite matrix found in Mo i Rana, Norway. Limited amounts available. Each specimen is supplied in a labelled card tray.
Out of stock
1 kilo of Chromite mineral specimens from Norway, the chromite appears black in colour and can also come mixed with serpentine (green). Often found in peridotite from the Earth’s mantle, the specimens are a massive form and are very dense.These mineral specimens are ideal for schools, educational and teaching use, specimens are supplied in a range of sizes and come in a strong polythene bag by kilo weight.
Out of stock
Specimens of serpentine with martite & hydrocalcite found in Modum, Norway. Specimens are supplied in a white card tray with a information label.
Out of stock
Dunite igneous rock specimens from the Gusdal olivine pit in Åheim, southern Norway. Composed of green olivine minerals with chromite and pyroxene crystals, the rock forms as intrusive igneous plutons in the earth mantle down to 400 km deep and displays a coarse texture and green colouration. Overall, the samples are fairly granular and weak due to their chemistry and form part of the basal gneiss complex of southern Norway. Ideal for various levels of collectors and for higher level education and research use, the samples are available in three sizes and come supplied in a card tray with an information label.
27 in stock
Olivine mineral specimens from Åheim, Norway, samples vary from granular to crystalline but all exhibit a bright olive green colouration. Collected by staff, olivine is a subsurface mineral which is unstable at the surface and weathers easily, making it rare. It may also contain the gemstone, peridot as well as kammererite. Available in various sizes and supplied in a card tray with an information label.
77 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
Specification:
* Finliner for writing, sketching, drawing & geological mapping
* Long metal tip, ideal for use with rulers & templates
* Pigment ink, indelible (in accordance with ISO 14145-2), lightfast and waterproof
* Erasable when used on tracing papers, no bleeding when highlighted
* PP barrel guarantees long service life.
* Stroke: Optional (0.1, 0.3 and 0.5 available)
* Colour: Black
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
30 in stock
Carboniferous Mudstone found in Lancashire supplied in a card tray with a label.
300 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
Plastic plate stands which are ideal for holding mainly flat items, such as plates, agate slices and other cut and polished mineral slabs. However, other items fit on them just as well, the parts come in two pieces and twist together making a single, robust clear stand. These stands are small and measure 50 mm tall with a 70 x 40 mm base.
Orthocalse feldspar mineral specimens from Evje, Norway. It exhibits a pale pink, white or pale grey colouration with excellent cleavage planes with rhombic crystal forms, a common mineral found in granites and rhyolites, orthoclase belongs to the feldspar family of minerals and can be found all over the world. Specimens are available in various sizes and come supplied in a card tray with an information label.
Out of stock
Specification:
* Waterproof
* Map area: 265 x 265 mm
* Neckband included
* Winter use -20 degrees.
* Material: Polyamid / Transparent TPU
Out of stock
Millstone Grit. A coarse grained Carboniferous (Namurian) sandstone from the North of England.
90 in stock
A pack of 3 Power Tank Pens, they work underwater, upside down and on wet paper. Size 1.0 tip. These pens are ideal for field work use. The pens come in a mixed pack of 3 one of each colour: Black, Blue and Red.
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
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