Minerals Flashcards

1
Q

<p>Translucent</p>

A

<p>light, no image</p>

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2
Q

<p>Transparent</p>

A

<p>light/image</p>

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3
Q

<p>Streak</p>

A

<p>consistent in color

| </p>

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4
Q

<p>Nonmetallic lusters (5)</p>

A
<p>vitreous/glassy
dull/earthy
pearly
silky
greasy</p>
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5
Q

<p>Tenacity</p>

A

<p>Break/Deform

| </p>

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6
Q

<p>Fracture (4)</p>

A

<p>Conchoidal
fibrous,
splintery
irregular </p>

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7
Q

<p>Hardness</p>

A

<p>resistance to abrasian</p>

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8
Q

<p>Cleavage vs</p>

A

<p>Fracture</p>

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9
Q

<p>Tenacity vs</p>

A

<p>Hardness</p>

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10
Q

<p>Brittle Tenacity Bond</p>

A

<p>Ionic</p>

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11
Q

<p>Malleable Tenacity Bond</p>

A

<p>Metallic</p>

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12
Q

<p>Sectile Tenacity</p>

A

<p>thin shavings

| </p>

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13
Q

<p>Elastic Tenacity</p>

A

<p>bend/snap</p>

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14
Q

<p>Mineral Definition x 4</p>

A

<p>Naturally occurring, inorganic, ordered internal crystalline structure, definite chemical composition</p>

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15
Q

<p>Hardness Scale</p>

A

<p>Mohls Scale</p>

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16
Q

<p>Deposition as Result of Biological Process</p>

A

<p>Marine organisms use calcium or silica from seawater and secrete external skeletons composed of calcium carbonate (CaCO3) or silica.
</p>

17
Q

<p>Geodes</p>

A

<p>Minerals can precipitate from slowly moving groundwater filling fractures and voids.
</p>

18
Q

<p>Evaporite Deposits</p>

A

<p>Salts</p>

19
Q

<p>For ions to bond and form crystalline solids</p>

A

<p>Saturation must be reached</p>

20
Q

<p>Precipitation of Mineral Matter</p>

A

<p>Ions dissolved in an aqueous solution reach saturation and start forming crystalline solids
</p>

21
Q

<p>To reach saturation in aqueous solution</p>

A

<p>Solution must heat or evaporate</p>

22
Q

<p>Mohls Scale Absolute Values</p>

A

<p>Talc, Gypsum, Calcite, Fluorite, Apatite, Orthoclase, Quartz, Topuz, Corundrum, Diamond</p>

23
Q

Sectile Minerals Example (2)

A

Gypsum and Talc

24
Q

Elastic Minerals Example (1)

A

Micas