Goldstone
| General Information | |
|---|---|
| A variety or type of: | Glass |
| Physical Properties of Goldstone | |
| Mohs Hardness | 6, Blue Chart Gem Identification (2010) < 6 |
| Specific Gravity | 2.50 to 2.80, Blue Chart Gem Identification (2010) |
| Optical Properties of Goldstone | |
| Refractive Index | 1.530 to 1.550, Blue Chart Gem Identification (2010) |
| Colour | |
| Causes of Colour | Contains flecks of copper giving it its appearance, Management Team (2012) |
| Crystallography of Goldstone | |
| Crystal System | Amorphous, Blue Chart Gem Identification (2010) |
| Further Information | |
| Mineral information: | Goldstone information at mindat.org |