Laser Glass (5.5 ct)

Lab-Made Synthetic. Borosilicate Glass which comes in many colours. Some even include colour-changing properties.
Often has higher Refractive Index (R.I.) than normal or even leaded glass.
Laser Glass R.I. = 1.517 – 1.7

For more information about Lab-Made (Man-Made) minerals, please read “Natural Gemstone vs Synthetics” (found in the “More” drop-down menu) for a detailed descriptions and definitions of Synthetics and Simulants versus Natural minerals.