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Rhodochrosite
| Chemical Composition |
Manganese carbonate with iron and calcium |
| Colour |
Pink to red |
| Refractive Index |
R.I. 1.58-1.84. Uniaxial negative |
| Durability |
Hardness 3.5-4 |
| Crystal Structure |
Hexagonal |
| Specific Gravity |
3.4-3.6. |
| Sources / Occurrence |
Colorado, South Africa, Argentina, Peru. |
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