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40 Cards in this Set

  • Front
  • Back

Soft, greasy mineral.


good streak.

Graphite

Special property is smell

Special property is smell

Sulfur

Malleable

Malleable

Copper

Red Streak

Red Streak

Hematite

Smells like sulfur
Light brown streak

Smells like sulfur


Light brown streak

Sphalerite

Scratch glass. Fools good

Pyrite

Won't scratch glass darker that its partner

Chalcopyrite

Cubic and heavy

Galena

Will scratch glass ruby

Corundum

Yellowish brown streak

Limonite

Round circles in rock

Bauxite

Magnetic

Magnetite

Cubic slick and salty

Halite

Cubes or two pyramids base to base. Usually purple

Fluorite

Rhombohedral double image

Calcite

Pink Druzy, rice like crystals

Dolomite

Green crystals on another rock

Malachite

Clear, flat wavy thick sheets

Gypsum selenite

Looks like brush bristles

Gypsum Satin Spar

Olive green crystals

Apatite

Prism crystal, comchoidal fracturing. Looks milky

Quartz (milky)

Prism form, conchoidal fracturing clear hard rock

Quartz (crystal)

Prism Form, conchoidal fracturing. Pinkish color

Quartz (rose)

Prism Form, conchoidal fracturing. Often confused with fluorite

Quartz (amethyst)

Prism Form, conchoidal fracturing. Dark smoky color

Quartz (smoky)

Looks like green sugar

Olivine

Greenish black, more dull than vitreous, blocky shape

Pyroxene

Black long slender crystals, vitreous

Amphibole

Black/brown sheets

Biotite

Clear/green sheets. Flakes really easily

Muscovite

Gray with blue to purple flashes of color

Ca-plagioclase

White with striations

Na-plagioclase

Salmon pink with veins

Orthoclase

Feels like dry soap

Talc

Dark green, layered, pearly

Chlorite

Dark red, dodecahedral

Garnet

Sky blue, bladed, can have rust

Kyanite

Dark brown/black crystals often shaped like an x

Staurolite

Conchoidal fracturing, very smooth, sharp edges.

Chert

Creamy white, chalky look, sticks to tongue if licked, sticks to fingers. Powder look

Kaolinite