"WardsSci000444"
Ward's® Magnetite (Crystalline)
Supplier: Avantor
Spinel group; black, dull metallic luster; common iron oxide.
Expand 3 Items
Ward's® Oligoclase
Supplier: Avantor
Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.
Expand 3 Items
Ward's® Sphalerite (Crystalline)
Supplier: Avantor
Dark brown to black; polycrystalline zinc ore.
Expand 3 Items
Ward's® Gypsum (Selenite)
Supplier: Avantor
Clear, pure cleavages, Mohs’ hardness of 2.
Expand 3 Items
Ward's® Magnetite (Lodestone)
Supplier: Avantor
Spinel group; iron-black, massive; natural magnet.
Expand 3 Items
Ward's® Quartz (Rock Crystal Points)
Supplier: Avantor
Clear, euhedral points and sections.
Expand 2 Items
Ward's® Microcline (Pink)
Supplier: Avantor
Feldspar group; pink cleavages showing perthitic texture, common potassium feldspar, Mohs’ hardness of 6.
Expand 4 Items
Ward's® Hematite (Red Ochre)
Supplier: Avantor
Red, earthy, in natural chunk form; common pigment ore.
Expand 3 Items
Ward's® Fluorite (Cleavage)
Supplier: Avantor
Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.
Expand 3 Items
Ward's® Calcite (Iceland Spar)
Supplier: Avantor
Clear rhombs showing double refraction.
Expand 2 Items
Ward's® Quartz (Milky)
Supplier: Avantor
White, massive, coarse crystalline vein, Mohs’ hardness of 7.
Expand 4 Items
Ward's® Quartz (Chert)
Supplier: Avantor
Light gray, compact, hard, opaque, microcrystalline silica mineral.