Vous avez recherché : Classroom Minerals
Ward's® Dolomite (Coarse)
Supplier: Avantor
White to gray, medium to coarse-grained, crystalline.
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Pyrite (Best Grade)
Supplier: Avantor
Shiny crystal clusters and crystalline groups.
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Ward's® Quartz (Milky)
Supplier: Avantor
White, massive, coarse crystalline vein, Mohs’ hardness of 7.
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Ward's® Magnetite (Crystalline)
Supplier: Avantor
Spinel group; black, dull metallic luster; common iron oxide.
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Ward's Science Essentials® Pyrite
Supplier: Avantor
Fools gold Brassy color which leaves a black streak.
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Anorthoclase
Supplier: Avantor
Feldspar group; greenish gray alkali feldspar, coarse crystalline, some iridescence.
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Ward's Science Essentials® Galena
Supplier: Avantor
Galena is a light metallic gray cleavage of lead ore
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Ward's® Science Essentials® Dolomite
Supplier: Avantor
White to gray, medium to coarse-grained, crystalline.
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Ward's® Mineral Research Grade Collection
Supplier: Avantor
Ward's® highest quality and purest mineral offerings.
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Ward's® Pyrrhotite
Supplier: Avantor
Good grade, bronze-colored ore, massive.
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Ward's® Gypsum (Selenite)
Supplier: Avantor
Clear, pure cleavages, Mohs’ hardness of 2.
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Ward's® Microcline (Pink)
Supplier: Avantor
Feldspar group; pink cleavages showing perthitic texture, common potassium feldspar, Mohs’ hardness of 6.
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Ward's® Quartz (Amethyst)
Supplier: Avantor
Deep purple crystal clusters.
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Ward's Science Essentials® Selenite
Supplier: Avantor
Selenite is a Clear gypsum mineral with a moh's hardness of 2.
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Biotite
Supplier: Avantor
Cut black mica cleavage plates. Books and sheets in bulk pack.
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Ward's® Malachite
Supplier: Avantor
Good grade, green, massive; copper ore.
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Ward's Science Essentials® Graphite
Supplier: Avantor
A textbook example of pure crystalline carbon which is extermely soft.
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Ward's® Sulfur (Massive)
Supplier: Avantor
Pure, bright yellow, Frasch sulfur.
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Ward's® Olivine (Fine)
Supplier: Avantor
Nearly pure, green crystalline forsterite.
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Ward's Science Essentials® Gypsum
Supplier: Avantor
Massive sedimentary gypsum with a moh's hardness 2..
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Ward's® Fluorite (Cleavage)
Supplier: Avantor
Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.
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Augite
Supplier: Avantor
Pyroxene group; dark green, pure cleaved fragments.
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Albite
Supplier: Avantor
Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.
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Calcite (Iceland Spar)
Supplier: Avantor
Clear rhombs showing double refraction.
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Ward's® Olivine (Coarse)
Supplier: Avantor
Fresh Green forsterite, classic “twin sisters” dunite.
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Calcite (Cleavage)
Supplier: Avantor
Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.
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Ward's® Oligoclase
Supplier: Avantor
Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.
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Ward's® Gypsum (Satin Spar)
Supplier: Avantor
White, fibrous, silky luster.
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Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: BD
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: BDH
Fournisseur: Heathrow Scientific
Fournisseur: VWR International
Fournisseur: Kimberly-Clark
Fournisseur: VWR International
Fournisseur: VWR International