Green variety of chalcedony, colored by the chromium.
The trade name Mtorolite comes from Zimbabwe.
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Mtorolite
- Translations : 鉻玉髓
- Synonym : Chiquitanita, Chrome-Chrysoprase, Chromium Chalcedony, Mtorodite
Gemological data
- Chemical formula : SiO2 with tracks of Cr
- Hardness (Mohs) : 6.5 - 7
- Density : 2.55 - 2.70
- Refractive index : 1.530 - 1.543
- Birefingence : 0.003 - 0.009
- Crystal system : Rhombohedral - Trigonal
The gallery
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- Mtorolite
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- MTOR0911
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- MTOR0912
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- MTOR0913
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- MTOR0914
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- MTOR0915
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- MTOR0916
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- MTOR0917
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- MTOR0918
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- MTOR0919
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- MTOR0921
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- Mtorolite Zimbabwe
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- MTOR0923
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- MTOR0924
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- MTOR0925
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- MTOR0904
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- MTOR0905
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- MTOR0908
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- MTOR0909
