Mineral, Metallic, black streak, very soft, 90 cleavage, high specific gravity
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Magnetite
Mineral, Sub metallic, black streak, can be cut by a knife, magnetic
3
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chalcopyrite
Mineral, Submetallic (gold), Greenish black streak, can be cut by a penny, low specific gravity
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Graphite
Mineral, submetallic, dark grey streak, can be cut by a nail, low specific gravity
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Pyrite
Mineral, submetallic, dark grey streak with a gold tinge, can be cut by a nail, bladed, looks like gold
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hematite
Mineral, rust-red earthy, red streak, can be but by nail
7
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Goethite
Mineral, dull, brown yellow streak, can be cut by the knife, round crystal habit, conchoidal
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Calcite
Mineral, waxy-vitreous, colorless/white streak, can be cut by the penny, reacts to HCl, (double refraction if see-through)
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Talc
Mineral, pearly (or waxy and dull), colorless/white streak, very soft
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corundum
Mineral, (brown)Silky Earthy-(pink)vitreous, colorless streak(pink)-brown streak(brown) ,very hard
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apatite
Mineral, vitreous, white streak, can be cut by a knife, contains veins of cream colour
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gypsum
Mineral, pearly, white streak, very soft, massive flat habit
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Quartz
Mineral, glassy/silky, no streak, many colours: Colorless, Smoky Gray, Milky White, Pink
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fluorite
Mineral, vitreous, white powder/colourless streak, can be cut by a knife, has a rainbow shine in the light
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plagioclase feldspar
Mineral, (supposed to be pearly but looks earthy and waxy), white streak, Can come in multiple colours: Black and grey with a blue shimmer or White w/ brown veins
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chlorite
Mineral, dull, White/grey streak, very soft, has orange undertones
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biotite
Mineral, vitreous, glass shard like streak, very thin looks like film
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muscovite
Mineral, vitreous, white streak, very thin looks more like tin foil, has green in it
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kyanite
Mineral, vitreous, white streak, has copper red veins, long crystal habit
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staurolite
Mineral, dull, orange areas streak orange, very hard
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potassium feldspar
Mineral, a dull face with slightly waxy sides, has a sulfur smell when streaked, white streak, can be cut by a nail, has a grey accent colour
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Garnet
Mineral, vitreous with earthy patches, white streak, can be cut by a nail
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pyroxene
Mineral, dull, white/grey streak, army grey green with dark grey accents
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amphibole
Mineral, vitreous and earthy, red streak, can be cut by a nail, can contain red
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olivine
Mineral, vitreous with earthy bottom, dark grey streak, very hard