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hexagonal synthetic
Flux-Grown Emerald (Crystal)
Be3Al2(SiO3)6:Cr
Quick Facts
Hardness
7.5
Specific Gravity
2.65
Refractive Index
1.56
Crystal Structure
hexagonal[6/mmm]:{10-10}@1.0 + {0001}@0.3 hexagonal
6/mmm
{10-10} {0001}
Physical Properties
Crystal Systemhexagonal
Hardness (Mohs)7.5
Specific Gravity2.65
CleavageImperfect basal
FractureConchoidal
LustreVitreous
Optical Properties
Refractive Index1.56
Birefringence0.003
PleochroismModerate to strong dichroism
Dispersion0.014
Origin & Identification
Originsynthetic
Growth Methodflux
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Open in Playground hexagonal[6/mmm]:{10-10}@1.0 + {0001}@0.3 Natural Counterpart
The natural gem this synthetic imitates
Related Minerals
Other minerals in the hexagonal system
