Silicate Minerals Flashcards

1
Q

Non-metallic, Softer than glass, Basal cleavage, Colorless to light color, White streak, elastic plate

A

Muscovite

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2
Q

Non-metallic, harder than glass, cleavage, Flesh color, no streak, striactions

A

Orthoclase

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3
Q

Non-metalic, harder than glass, cleavage, black, no streak, planes at 50 and 124

A

Hornblende

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4
Q

Non-metallic, harder than glass, cleavage, gray to blue gray, no streak, striciation, two planes at right angles

A

Plagioclase

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5
Q

Non-metallic, softer than glass, fracture, white, no streak, earthy, adheres to tounge

A

Kaolinite

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6
Q

Non-metallic, softer than glass, Basal Cleavage, Brown to black color, No streak, elastic plates

A

Biotite

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7
Q

non metallic, harder than glass, blade cleavage, blue white gray green, no streak, vitreous to pearly

A

Kyanite

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8
Q

Non-metallic, harder than glass, cleavage, black, 2 planes at 90 degrees

A

Augite

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9
Q

Non-metallic, harder than glass, fracture, brown, no streak, dodecahedron (12 sided)

A

Garnet

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10
Q

Non-metallic, softern than glass, fracture/ cleavage, green to white, white streak, soapy feel

A

Talc

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11
Q

Non-metallic, harder than glass, fracture, transparent, conchoidal

A

Quartz

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12
Q

Non-metallic, harder than glass, fracture, green yellowish, white streak, luster

A

Olivine

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13
Q

Non-metallic, harder than glass, fracture, red-brown brownish black, no streak, vitreous to pearly

A

Staurolite

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