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Minerals, S27
Objectives September 27th
Question | Answer |
---|---|
List the criteria necessary for something to be a mineral. | 1. Must occur naturally: cannot be man made. 2. Must be formed directly from a geological source 3. Must be solid 4. Must have a definite chemical composition=specific chemical formula 5. Forms a crystal structure |
Describe the 8 properties used to identify minerals | 1. Color 2. Crystal Structure 3. Streak 4. Luster 5. Density 6. Hardness 7. Conductivity 8. Cleavage |
Name some examples of minerals and their uses | |
Talc | cosmetics, detergents, water filtration, paints, shoe polish, foam, anticaking additive in animal feed. |
Garnets | Jewelry, abrasive, sandpaper, grindstones, and scouring powders |
Amazonite | jewelry, decoration |
Quartz | jewelry, pressure gauges, watches manufacturing of glass, paints, and abrasives |
Abite | glass manufacturing, pottery glaze, tiles, porcelain, insulators |
Gold | jewelry electronics, UV filters, currency, decoration, windows and automobiles. |
Silver | Jewelry, decoration, flatware, electronics, automobiles, |
Topaz | Jewelry, decoration. |