gemstone

Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Hardness: 6-7 on Mohs scale; Color: Light green to dark green, white, yellow; Luster: Vitreous to greasy; Crystal Structure: Monoclinic; Cleavage: None (extremely tough and interlocking fibrous structure); Specific Gravity: 2.9-3.4

Hardness: 6-7 on Mohs scale
Color: Light green to dark green, white, yellow
Luster: Vitreous to greasy

Identified July 31, 2026More gemstone →

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Physical properties

Formation & geological history

Formed under high-pressure, low-temperature metamorphic conditions, typically in serpentinates along subduction zones.

Uses & applications

Used primarily in fine jewelry, carved ornaments, cultural artifacts, and decorative weapons.

Geological facts

Jade has been prized in Chinese civilization for over 7,000 years, symbolizing purity, moral integrity, and status. It is actually comprised of two distinct mineral species: jadeite and nephrite.

Field identification & locations

Identified by its remarkable toughness, resistance to fracturing, and greasy-to-vitreous luster. Found in Myanmar, Guatemala, Russia, and the western United States.

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