Jade
Real mineral · rare · NaAlSi₂O₆ (jadeite) / Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ (nephrite)
A term covering two distinct minerals: jadeite, a sodium aluminium pyroxene, and nephrite, a calcium magnesium amphibole. Both form under high-pressure metamorphic conditions in subduction zones.
Identity
- Formula
- NaAlSi₂O₆ (jadeite) / Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ (nephrite)
- Chemical class
- silicate
- Mineral group
- Aegirine, Diopside, Enstatite, Hiddenite, Kunzite
- Also known as
- Jadeite, Nephrite, Yu (Chinese)
Crystallography
- Crystal system
- monoclinic
- Habits
- massive, granular
- Fracture
- splintery
Physical properties
- Mohs hardness
- 7
- Density
- 3.34 g/cm³
- Luster
- waxy, vitreous
- Colors
- green, dark green, white, lavender, yellow, black
- Streak
- white
- Transparency
- translucent, opaque
Geology
- Origins
- metamorphic
- Host rocks
- serpentinite, blueschist
- Associated minerals
- Serpentine, Chlorite, Albite
- Geography
- Myanmar, China, Guatemala, Russia, Canada
Classification
- Rarity
- rare
- Gem quality
- Yes
Arcane properties
- Affinity
- life, earth
- Effects
- healing, warding
- Planar origin
- Material Plane
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