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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. |