Minerals
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The document discusses the Mohs scale of mineral hardness and provides information about 10 common minerals ranked on the scale. It lists each mineral's ranking, typical color, and crystal shape. The Mohs scale ranks mineral hardness from 1 (softest) to 10 (hardest) and includes talc, gypsum, calcite, fluorite, apatite, feldspar, quartz, topaz, corundum, and diamond. Each mineral's description includes any characteristic colors or the colors they may appear as due to impurities. Their typical crystal shapes such as cube, octahedron, or six-sided prism are also noted.
Minerals
- 4. Mineral Hardness Diamond 10 Corundum 9 Topaz 8 Quartz 7 Feldspar 6 Apatite 5 Fluorite 4 Calcite 3 Gypsum 2 Talc 1 Hardness Softness Mohs Scale of mineral hardness
- 5. Mineral Color Picture Diamond Transparent Corundum Naturally transparent but may have different colors due to the presence of impurities; a pink sample is shown on the right Topaz Varies in color from crystal clear to baby blue Quartz Varies in color; May be transparent and colorless
- 6. Feldspar Has a milky color a variety of other colors Apatite Blue green and turquoise Fluorite May have a lime green color and other varieties Calcite May be white in color and other varieties Gypsum May be white in color and may have other variants Talc May vary in color such as white to gray, blue and green
- 7. DIAMOND
- 8. CORUNDUM
- 9. TOPAZ
- 10. QUARTZ
- 11. FELDSPAR
- 12. APATITE
- 13. FLUORITE
- 14. CALCITE
- 15. GYPSUM
- 16. TALC
- 20. HALITE PYRITE
- 21. DIAMOND
- 23. QUARTZ AMETHYST
- 24. LEPIDOLITE MICA
- 26. Refraction is the bending of light as it passes through two mediums.