metamorphic
Jadeite
Jadeite (NaAlSi2O6)
Hardness: 6.5-7.0 Mohs; Color: Muted pale green; Luster: Vitreous to greasy; Structure: Monoclinic (fibrous/granular aggregate); Specific Gravity: 3.25-3.35
- Hardness
- 6
- Color
- Muted pale green
- Luster
- Vitreous to greasy
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Physical properties
Hardness: 6.5-7.0 Mohs; Color: Muted pale green; Luster: Vitreous to greasy; Structure: Monoclinic (fibrous/granular aggregate); Specific Gravity: 3.25-3.35
Formation & geological history
Formed under high-pressure, low-temperature conditions in subduction zones within metamorphic rocks, specifically glaucophane-bearing schists and serpentinites.
Uses & applications
Primarily used in fine jewelry (rings, beads, pendants) and decorative carvings. Highly prized in East Asian cultures.
Geological facts
Jadeite is one of the two minerals known as Jade (the other being Nephrite). The most valuable variety is 'Imperial Jade,' which is a vivid emerald green.
Field identification & locations
Identify by its exceptional toughness (resistance to breakage) and cold feel. It is commonly found in Myanmar (Burma), Guatemala, and Japan.
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