Sheen Obsidian
Sheen Obsidian Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 |  |  |  |  |  |  |  |  |
Sheen Obsidian Gemstones by Size
This table shows distribution of Sheen Obsidian 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:24.01 cts
Heaviest:35.47 cts
Average:28.21 cts
Total photos:9
Do you have a larger Sheen Obsidian? Why not upload a photo?
| General Information | |
|---|---|
| A variety or type of: | Obsidian, which is a variety of Glass |
| Physical Properties of Sheen Obsidian | |
| Mohs Hardness | 5 to 5.5, Blue Chart Gem Identification (2010) |
| Specific Gravity | 2.33 to 2.50 +, Blue Chart Gem Identification (2010) |
| Fracture | Conchoidal, Gemstones (2009) |
| Optical Properties of Sheen Obsidian | |
| Refractive Index | 1.450 to 1.550, Blue Chart Gem Identification (2010) |
| Optical Character | Isotropic, Gemstones (2009) |
| Colour | |
| Colour (General) | Black, brown with golden sheen, Gemmological Tables (2004) |
| Transparency | Transparent,Translucent,Opaque, Gemmological Tables (2004) |
| Lustre | Vitreous, Gemstones (2009) |
| Crystallography of Sheen Obsidian | |
| Crystal System | Amorphous, Blue Chart Gem Identification (2010) |
| Habit | Massive, Gemstones (2009) |
| Further Information | |
| Mineral information: | Sheen Obsidian information at mindat.org |