“Laserblue” synthetic glass: 16.04 cts
Laserblue Value
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Laserblue Information
| Data | Value |
| Name | Laserblue |
| Is a Variety of | Glass |
| Crystallography | Amorphous |
| Colors | Blue |
| Polish Luster | Vitreous |
| Fracture Luster | Vitreous |
| Fracture | Conchoidal |
| Toughness | Poor |
| Cleavage | None |
| Stone Sizes | To very large |
| Heat Sensitivity | Yes |
| Enhancements | None |
| Special Care Instructions | This is a rare glass. It is brittle, hard to cut and easy to chip. |
| Transparency | Transparent |
| UV Long | Intense blue |
| UV Short | Strong blue |
| Absorption Spectrum | Strong line 630 nm general absorption 540 550 nm |
| Phenomena | None |
| Identifying Characteristics | Always a pure blue with medium to deep tone. Typical glass inclusions, bubbles and swirl marks. Extraordinary hardness for glass at 6.5 |
| Formula | Borosilicate + Cu |
