gemstone
Jadeite
NaAl(Si2O6)
Hardness: 6.5 to 7 on the Mohs scale, Color: Pale green, white, emerald green, lavender, Luster: Vitreous to greasy, Crystal structure: Monoclinic, Cleavage: Good, Specific gravity: 3.25 to 3.35
- Hardness
- 6
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Physical properties
Hardness: 6.5 to 7 on the Mohs scale, Color: Pale green, white, emerald green, lavender, Luster: Vitreous to greasy, Crystal structure: Monoclinic, Cleavage: Good, Specific gravity: 3.25 to 3.35
Formation & geological history
Forms under high-pressure, low-temperature metamorphic conditions in serpentinite convergence zones, often taking millions of years in subduction zone environments.
Uses & applications
Used primarily in high-end jewelry, carvings, ornaments, and historical artifacts.
Geological facts
Jadeite is one of two distinct minerals recognized as jade (the other being nephrite). It was prized by ancient Mesoamerican civilizations and holds immense cultural value in East Asia.
Field identification & locations
Can be identified by its dense, fibrous structure, high specific gravity (feels heavy for its size), and tough interlocking microcrystals. Commonly sourced in Myanmar, Guatemala, and Russia.
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