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Labradorite Feldspar mineral specimens from Madagascar. It is dark brown to grey-black in colour, with some specimens showing an iridescent effect, known as a Schiller effect or Labradorescence. Labradorite Feldspar is a member of the plagioclase series, which is commonly found in mafic igneous rocks. These specimens are available in various sizes and are supplied in a card tray with an information label.
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Labradorite Feldspar mineral specimens from Madagascar. Labradorite Feldspar is an unusual mineral, and as a member of the plagioclase series it is commonly found in mafic igneous rocks. It is named after the place in which it was first identified (Labrador, Canada) and can display a beautiful iridescent effect – known as a Schiller effect or Labradorescence. The colours displayed in this effect can include blues, greens, yellows, oranges and reds. Labradorescence is caused when light enters the stone and strikes an internal fracture, which reflects the light and disperses it into an array of different colours. Being a feldspar mineral, Labradorite is fairly hard at 6 – 6.5 on the Moh’s scale of hardness, with a vitreous to pearly lustre. These specimens are available in multiple sizes, each specimen will come supplied in a card tray with an information label.
Specimen Size | 2" x 2", 3" x 2", 3" x 3", 4" x 3" |
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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.
15 cell section geological specimen storage boxes, made from thick robust card which will not split or warp over time.Each box contains a plastic insert which allows you to store up to 15 samples of rocks, fossils, minerals or gemstones in. The cells are 55 x 55 mm and comes with a sturdy lid with a blue colour.
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
Species Name: Nummulites Laevigatus in limestone matrix
Family: Microfossil
Age: Eocene, Cuisian Stage, approximately 47 million years ago
Location: Soissons, Aisne, France
Nummulites laevigatus foraminifera fossil specimens within a beige white limestone matrix, these micro fossils are excellent examples of these amoeboid protists, they exhibit exceptional details, dated to the Eocene period, they were found in Soissons, Aisne, France. Available in various sizes and supplied in a card tray with a label.
Hornblende in massive form, collected from Norway, these mineral specimens exhibit a platy cleavage, black to dark green colouration and a dark grey streak. The samples are available in various sizes, show excellent vitreous lustre and will come supplied in a card tray with a label.
Out of stock
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
Millstone Grit. A coarse grained Carboniferous (Namurian) sandstone from the North of England.
90 in stock
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
Round plastic tubs or pots made, clear and easily seen through, they are ideal for the safe storage of many small items such as gemstones, plants, sediments, soil, hobby items and more. They measure 46 mm in diameter and are 23 mm high. Supplied with a tight snap shut lid.
Tea Green Marl. A greenish grey dolomitic mudsone from the Triassic of Gloucestershire.
50 in stock
30 in 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