Minerals Flashcards
<p>Translucent</p>
<p>light, no image</p>
<p>Transparent</p>
<p>light/image</p>
<p>Streak</p>
<p>consistent in color
| </p>
<p>Nonmetallic lusters (5)</p>
<p>vitreous/glassy dull/earthy pearly silky greasy</p>
<p>Tenacity</p>
<p>Break/Deform
| </p>
<p>Fracture (4)</p>
<p>Conchoidal
fibrous,
splintery
irregular </p>
<p>Hardness</p>
<p>resistance to abrasian</p>
<p>Cleavage vs</p>
<p>Fracture</p>
<p>Tenacity vs</p>
<p>Hardness</p>
<p>Brittle Tenacity Bond</p>
<p>Ionic</p>
<p>Malleable Tenacity Bond</p>
<p>Metallic</p>
<p>Sectile Tenacity</p>
<p>thin shavings
| </p>
<p>Elastic Tenacity</p>
<p>bend/snap</p>
<p>Mineral Definition x 4</p>
<p>Naturally occurring, inorganic, ordered internal crystalline structure, definite chemical composition</p>
<p>Hardness Scale</p>
<p>Mohls Scale</p>
<p>Deposition as Result of Biological Process</p>
<p>Marine organisms use calcium or silica from seawater and secrete external skeletons composed of calcium carbonate (CaCO3) or silica.
</p>
<p>Geodes</p>
<p>Minerals can precipitate from slowly moving groundwater filling fractures and voids.
</p>
<p>Evaporite Deposits</p>
<p>Salts</p>
<p>For ions to bond and form crystalline solids</p>
<p>Saturation must be reached</p>
<p>Precipitation of Mineral Matter</p>
<p>Ions dissolved in an aqueous solution reach saturation and start forming crystalline solids
</p>
<p>To reach saturation in aqueous solution</p>
<p>Solution must heat or evaporate</p>
<p>Mohls Scale Absolute Values</p>
<p>Talc, Gypsum, Calcite, Fluorite, Apatite, Orthoclase, Quartz, Topuz, Corundrum, Diamond</p>
Sectile Minerals Example (2)
Gypsum and Talc
Elastic Minerals Example (1)
Micas
