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Pyrite mineral specimens from Morocco, low grade but still exhibiting the brassy colouration and metallic lustre, samples are dense and upon close inspection may exhibit cubic crystals. A common mineral, also known as fools gold, it is found all around the world.Available in multiple sizes, they will come supplied in a specimen tray with a label.
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Pyrite is a well known and common mineral found all over the world, it is commonly known as fools gold, a name possibly derived from the fact that many gold prospectors would mistake it for gold due to it’s metallic lustre and brassy colour. It is an iron mineral and fairly dense and is so named from the Greek word ‘pyritēs’ which means ‘in fire’ or ‘to fire’ which is a reference to the fact that it was historically noted for created sparks when struck by metal. It is often found in quartz veins or other rocks and is a common mineral and likely one that most people will come across in their childhood at some point. It has a cubic crystal form and is fairly brittle. These particular specimens come from Morocco and are of low grade, so most suitable for educational use or as gifts for children. In the modern age, it’s main uses are in production of various metals, in batteries and in the manufacture of paper. Our specimens are available in various sizes and come supplied in a card tray with an information label.
Weight | 600 g |
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Size Options | 1.5" x 1.5", 2" x 2", 3" x 2" |
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Pyrite in massive form, from Folldal, Norway. Collected by staff, these crystalline textured mineral specimens exhibit a metallic lustre, brassy colouration and shine when viewed under certain lighting conditions. The iron ore is dense and solid, but can break fairly easily, occurrences of chalocpyrite may also be seen in some pieces. These samples are available in various sizes and come supplied in a card tray with a label, ideal for educational use, children and collections.
Pyrite on Rhaetic Bone Bed collected from Westbury-on-Severn, Gloucestershire. Of our specimens it is the pyrite crystal bed which is the key feature, some specimens may exhibit bones or scales but naturally this is no guarantee
9 in stock
Pyrite is a well known and common mineral found around the world, commonly known as fools gold, it has a brassy yellow colour and metallic lustre, most pyrite people will see will likely be pyrite crystal beds or chunks. These specimens are individual cubes of pyrite which demonstrate the signature cubic crystal structure. These samples are from Spain and are available in 2 sizes: 1 cm and 2 cm cubes and come supplied in a polythene bag with an information label.
Pyrite crystals with excellent cubic form in metamorphosed shale from the Great open cast, Parys Mountain, Isle of Anglsey, Wales. Very rare mineral specimens from a famous geological site and once the largest copper mine in Europe.These mineral specimens feature small but excellent pyrite cubes in a matrix which is so heavily altered, it no longer looks anything like shale. Available in various sizes and supplied in a card tray with a data label.
15 in stock
Pyrite cubic crystals in massive biotite mica, the pyrite crystals are well formed with the cubic form being clearly visible, as expected, the they also exhibit the yellow brassy colouration and metallic lustre expected from this mineral. The crystals are within a massive biotite mica matrix which is pure black with a vitreous lustre. This vivid contract in colours excellently highlights the brassy coloured pyrite crystals and makes for an excellent specimen to add to any mineral collection. The samples were collected by staff some years ago and come form southern Norway and is available in various sizes and come supplied in a card tray with an information label.
Cleavelandite is a variety of the mineral albite, one of the constituent minerals of plagioclase feldspar, thus is found in areas where pegmatites and granites exists in certain localities around the world. These particular specimens come from Evje, in Southern Norway and as expected, has a pale green colouration to it. As with albite, cleavelandite also exhibits a triclinic crystal habit and has a hardness of 6- 7 on the Moh’s scale of hardness, it is usually found within cavities of other rocks or minerals. It as named in 1823 by Henry J. Brooke in honor of Parker Cleaveland , professor of geology and mineralogy at Bowdoin College in Maine. Our mineral specimens are massive in form with occasional accessory such as smokey quartz or plagioclase or orthoclase feldspar. The specimens were collected by our own staff from Evje and are available in a range of sizes. Each specimen is supplied in a labelled card tray.
Magnesite mineral specimens from Greece, the samples are an off white colour and exhibit a somewhat botryoidal texture, formed around ultramafic rocks and metamorphic zones, these specimens are limited and will come supplied in a card tray with a data label.
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.
These particular samples are a milky white to pale yellow colour and show typical fibrous crystal habit expected from Witherite. Samples are supplied in a white card with an information label.
Cut ulexite mineral specimens from California, USA. A mineral similar to gypsum, ulexite is able to transmit light through its long axis, meaning if placed above an image or text, will transmit it to the samples surface as an image. Hence the name TV rock, excellent for children, these pieces are available in several sizes and will come supplied in a card tray with an information label.
Chalcopyrite mineral specimens from Sulitjelma, Norway, a major copper ore mineral, these pieces exhibit excellent quality chalcopyrite detailing the shiny brassy yellow colouration and metallic lustre expected. These mineral specimens are approximately 70% – 80% chalcopyrite and are available in various sizes and come supplied in card tray with an information label.
Baryte (also spelt barite) is a widely occurring mineral consisting of barium sulphate, they can occur with many crystal habits, in this case, these mineral specimens exhibit the cockscomb mass form, in which randomly orientated blades of the mineral occur on a massive bed. These particular specimens are a pink or orange colour with a pink bed but other colours of baryte exists, including white, buff or brown. Any barite specimen is incredibly dense, with small pieces even feeling heavier than they appear, which is surprising, considering it is a non metallic mineral. This density was how the mineral obtained its name, being derived from the Greek word ‘βάρυζ’ meaning heavy. It occurs in a range of environments and deposited via many processes including biogenic, hydrothermal and evaporation, among others. Commonly occurring in lead-zinc veins hence some of the samples contain galena (lead sulphide) as well. Over 75% of baryte extracted worldwide is used for weighting driling fluids in oil and gas exploration to control high formation pressures and prevent blowouts. These mineral specimens were mined in Mibladen, Morocco, they are available in various sizes, each specimen is supplied in a labelled card tray.
Galena with massive baryte from Morocco, showing the two contrasting colours of the off white baryte and metallic blue galena mineral specimens together, both are quite dense yet extremely fragile, these samples were collected from Morocco and available in 3 sizes.
Moss Agate 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.
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.
Baryte mineral specimens collected form Somerset in the UK, exhibiting a bladed crystal habit or massive form, the dense specimens are an off white, yellow or brown colour due to staining from hematite (iron ore), available in various sizes, ideal for educational use.
Baryte mineral specimens, unusual samples collected from Foss mine in Scotland, they have a fine crystalline texture instead and are quite robust specimens. Pieces are off white in colour and may show a shimmer effect in certain lighting conditions. Available in various sizes, supplied in a card tray with an information label.
29 in stock
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