Difference between revisions of "Rhodochrosite"
From The Gemology Project
Line 1: | Line 1: | ||
{{rhodochrosite}} | {{rhodochrosite}} | ||
+ | {| | ||
+ | |- | ||
+ | |[[Image:Rhodochrosite.jpg|left|thumb|250px|Spectacular Cabochon 60x30mm <br />Capillitas, Catamarca Province, Argentina <br />Photo courtesy of Barbra Voltaire]] | ||
+ | |||
+ | |||
+ | |- | ||
+ | |} |
Latest revision as of 20:04, 5 March 2015
Rhodochrosite | |
---|---|
Chemical composition | MnCO3 + Fe, Ca |
Crystal system | Hexagonal |
Habit | Rhombohedral |
Colors | pink, red, yellowish, gray, brown |
Hardness | 3.5 - 4 |
Specific gravity | 3.40 - 3.70 |
Optic nature | Uniaxial - |
Refractive Index | 1.60 - 1.83 |
Birefringence | 0.208 - 0.220 |
Lustre | Vitreous to pearly |
|