Hypersthene
Germany
8.98 carats
© Brian Kosnar - Mineral Classics
Well-developed crystals are rare, the mineral is usually found as foliated masses.
Colour is brown, green or grey and the luster is vitreous to pearly. Hypersthene displays a brilliant copper-red metallic sheen or schiller on certain surfaces.
Hypersthene Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Hypersthene Gemstones by Size
This table shows distribution of Hypersthene gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:8.98 cts
Heaviest:10.31 cts
Average:9.64 cts
Total photos:2
Do you have a larger Hypersthene? Why not upload a photo?
| General Information | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Formula |
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| Physical Properties of Hypersthene | ||||||||||||||
| Mohs Hardness | 5 to 6, Gemstones of the world (2001) More from other references | |||||||||||||
| Specific Gravity | 3.45 to 3.55, Blue Chart Gem Identification (2010) More from other references | |||||||||||||
| Cleavage Quality | Distinct, Gemmological Tables (2004) | |||||||||||||
| Optical Properties of Hypersthene | ||||||||||||||
| Refractive Index | 1.673 to 1.731, Blue Chart Gem Identification (2010) More from other references | |||||||||||||
| Optical Character | Biaxial/-, Blue Chart Gem Identification (2010) | |||||||||||||
| Birefringence | 0.016, Blue Chart Gem Identification (2010) More from other references | |||||||||||||
| Pleochroism | Green stones - strong: (dark) bluish-green - brownish-red - (yellowish), Blue Chart Gem Identification (2010) | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Black, black-brown, black-green, Gemmological Tables (2004) | |||||||||||||
| Transparency | Transparent,Translucent,Opaque, Gemstones of the world (2001) More from other references | |||||||||||||
| Crystallography of Hypersthene | ||||||||||||||
| Crystal System | Orthorhombic, Blue Chart Gem Identification (2010) | |||||||||||||
| Inclusions in Hypersthene | ||||||||||||||
| Tabular inclusions of hematite and goethite - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 4 | ||||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Hypersthene information at mindat.org | |||||||||||||