Laserblue Value, Price, and Jewelry Information

“Laserblue” synthetic glass: 16.04 cts. Photo © Joel E. Arem, PhD, FGA. Used with permission.


Laserblue Information

Data Value
Name Laserblue
Is a Variety of Glass
Colors Blue
Crystallography Amorphous.
Refractive Index 1.520
Luster Vitreous.
Polish Luster Vitreous.
Fracture Luster Vitreous.
Hardness 6.5
Wearability Poor
Fracture Conchoidal
Specific Gravity 2.30-4.50 (glass)
Birefringence None.
Cleavage None
Dispersion Low.
Stone Sizes To very large
Heat Sensitivity Yes
Luminescence Intense, strong blue in UV long and short.
Luminescence Present Yes
Luminescence Type Fluorescent, UV-Long, UV-Short
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

borosilicate + Cu