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Found 465 objects in the category Natural Science
Pegmatite
Piece of pegmatite, a very coarse-grained igneous rock.
PEZPH : 1994.256
Natural Science
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Hornfels
Piece of hornfels, with interbedded greenstone and killas. A hard, compact contact-metamorphic rock of any grain size, dominantly composed of silicate and oxide minerals in varying proportions.
PEZPH : 1994.255
Natural Science
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Purple fluorite
Piece of ore containing purple fluorite.
PEZPH : 1994.252
Natural Science
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Dolomite
Piece of dolomite, an anhydrous carbonate mineral composed of calcium magnesium carbonate.
PEZPH : 1994.249
Natural Science
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Aragonite
Piece of aragonite, a carbonate mineral and one of the two common, naturally occurring, crystal forms of calcium carbonate (the other form being the mineral calcite).
PEZPH : 1994.250
Natural Science
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Green fluorite
Piece of ore containing green fluorite.
PEZPH : 1994.251
Natural Science
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Schorl tourmaline
Piece of schorl tourmaline ore, the most common form of Tourmaline, a complex sodium iron aluminium boro-silicate hydroxide.
PEZPH : 1994.248
Natural Science
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Calcite
Piece of calcite, the most common form of natural calcium carbonate.
PEZPH : 1994.246
Natural Science
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Muscovite mica
Piece of muscovite mica, the most common mineral of the mica family, a hydrated phyllosilicate mineral of aluminium and potassium.
PEZPH : 1994.247
Natural Science
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Mineral
Piece of galena, the natural mineral form of lead sulphide, the primary ore of lead and an important source of silver.
PEZPH : 1994.240
Natural Science
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