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  • Burundi

Société Coopérative Minérales Mutabazi

Jadeite

Chemical Formula NaAlSi2O6
Color Green, white, yellow, lavender, black, and more
Hardness 6.5 – 7 on the Mohs scale
Density 3.30 – 3.38 g/cm³
Refractive Index 1.66 – 1.68
Transparency Translucent to opaque
Luster Vitreous to greasy
Crystal System Monoclinic
Cleavage Perfect along (010)
Fracture Conchoidal
Melting Point Approximately 1,200 – 1,300 °C
Specific Gravity 3.30 – 3.38
Origin Myanmar (Burma), Guatemala, Japan, and other locations
Uses Ornamental, gemstones, carvings
Transparency Mostly translucent to opaque