gemstone
Jadeite Ring
Jadeite (NaAlSi2O6)
Hardness: 6.5-7 on the Mohs scale; Color: Pale translucent white to light green; Luster: Vitreous to greasy; Crystal structure: Monoclinic; Cleavage: Good in two directions; Specific gravity: 3.25-3.35
- Hardness
- 6
- Color
- Pale translucent white to light green
- Luster
- Vitreous to greasy
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Physical properties
Hardness: 6.5-7 on the Mohs scale; Color: Pale translucent white to light green; Luster: Vitreous to greasy; Crystal structure: Monoclinic; Cleavage: Good in two directions; Specific gravity: 3.25-3.35
Formation & geological history
Formed under high-pressure, low-temperature metamorphic conditions within serpentinite convergence zones, typically found in tectonic subduction zones over millions of years
Uses & applications
Primarily used in fine jewelry, rings, bangles, carvings, and ornamental objects due to its exceptional toughness and cultural significance
Geological facts
Jadeite is remarkably tough due to its microcrystalline interlocking fibrous structure, making it even harder to break than diamond despite having a lower scratch hardness
Field identification & locations
Identified by its high density, cold feel, characteristic fibrous interlocking texture under magnification, and sub-translucent waxy appearance; famously sourced in Myanmar (Burma), Guatemala, and California
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