streak colour that isn't white Flashcards

1
Q

Black (streak)

A

magnetite

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2
Q

Greenish Black (streak)

A

pyrite, chalcopyrite

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3
Q

reddish brown (streak)

A

Hematite

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4
Q

greyish black (streak)

A

galena

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5
Q

greenish white (streak)

A

pyroxene (5-6.5)

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6
Q

grey (streak)

A

Biotite Mica, Kyanite (grey physical colour), staurolite (>6.5, penetration twins, habit: cubic)

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7
Q

white (streak)

A

lol use another test

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8
Q

Garnet habit

A

dodecahedron

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9
Q

quartz (habit)

A

prismatic

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