Geology Lab Exam 1

colorless white, vitreous, hard 3, rhombic, antacid fertilizer

Calcite

varied color, vitreous, hard 4, octahedral, toothpaste, gases

flourite

colorless white, vitreous, hard 2, plaster, dry wall

gypsum

white pink green, vitreous, hard 6, ceramics, soap

microline

colorless white, vitreous, hard 7, fracture conchoidal, abrasive glass

quartz

white, pearly, hard 1, filler in plastic

tale

dark brown black, vitreous, hard 2.5-3, computer chips, cosmetics

biotite

colorless, vitreous/pearly, hard 2-4, computer chips, cosmetics, flat af

muscovite

colorless, vitreous, hard 2, cubic, table salt, water softener

halite

gray, metallic/dull, hard 1-2, pencil, batteries

graphite

silver gray, metallic, hard 2.5, 90 degree, lead for tv, bismuth for sinks

galena

brass yellow, metallic, hard 6, fracture uneven, rubber, gunpowder

pyrite

white, dull, hard 1, 1 cleavage/fracture earthly, pottery, pencil lead

kaolin

yellow brown, resinous/greasy, hard 1.5-2.5, fracture conchoidal/uneven, car tires, paper pulp

sulfur

green, vitreous, hard 6.5-7, fracture conchoidal, gemstone, pills

olivine