Gemological Information for Glass
| Color: | All Colors |
| Crystal Structure: | Amorphous |
| Refractive Index: | 1.47 to 1.76 |
| Durability: | Poor |
| Hardness: | 5 to 6 |
| Family: | |
| Similar Stones: | Imitates Almost Any Gem Material |
| Treatments: | Coatings |
| Country of Origin: | Not Applicable |
Glass Care
| Ultrasonic Cleaning: | Not Safe |
| Steam Cleaning: | Not Safe |
| Warm Soapy Water: | Safe (avoid if foil backed or glued) |
| Chemical Attack: | Easily Attacked (even by fumes) |
| Light Sensitivity: | None |
| Heat Sensitivity: | Rapid Heat Change May Cause Fracture, High Heat Will Cause it to Liquify. |