gemstone
Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)
AI-generated identification · may be incorrectMohs hardness of 6-7, typically dark green to light green in color, vitreous to greasy luster, monoclinic crystal system, tough and interlocking fibrous micro-structure, specific gravity around 2.9-3.4
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Physical properties
Mohs hardness of 6-7, typically dark green to light green in color, vitreous to greasy luster, monoclinic crystal system, tough and interlocking fibrous micro-structure, specific gravity around 2.9-3.4
Formation & geological history
Formed under high-pressure, low-temperature metamorphic conditions, often found in serpentinite belts or subduction zone environments over millions of years
Uses & applications
Widely used in fine jewelry, ornamental carvings, sculptures, and traditional artifacts due to its exceptional toughness and beauty
Geological facts
Jade has been prized in Chinese and Mesoamerican cultures for thousands of years, often considered more valuable than gold in ancient China
Field identification & locations
Identified by its distinctive waxy luster, extreme toughness making it difficult to break with a hammer, and rich green coloration; commonly sourced from Myanmar, China, Canada, and Guatemala
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