Difference between revisions of "Rhodochrosite"
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==Sources== | ==Sources== | ||
*Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987) | *Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987) | ||
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Revision as of 21:11, July 15, 2007
| Rhodochrosite | |
|---|---|
| |
| Chemical name | Manganese carbonate |
| Chemical formula | MnCO3 |
| Identification | |
| Colors | Pink, rose-red, dark-red, brown |
| Crystal habit | Most often in rhombohedrons |
| Crystal system | Hexagonal |
| Cleavage | Perfect in three directions, forming a rhombohedron |
| Fracture | Uneven, brittle |
| Hardness | 3½ - 4 |
| Luster | Vitreous, pearly |
| Specific gravity | 3.4 to 3.6 |
| Streak | White |
Chesterman, pp. 435-436
Sources
- Chesterman, Charles W. The Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf: New York (1987)