Jade (Jadeite)
Image: <a href="https://no.wikipedia.org/wiki/Bruker:Morymuga" class="extiw" title="no:Bruker:Morymuga">Thomas Nordengen</a> (CC BY-SA 3.0)
Mineral NameJade (Jadeite)
Chemical FormulaNaAlSi₂O₆
Mohs Hardness6.5
Crystal Systemmonoclinic
Lustervitreous
Streak Colorwhite
Cleavagegood on {110} at nearly 90 degrees
Fracturesplintery
Specific Gravity3.33
Colorsgreen, brown, orange
Transparencytranslucent
Type LocalityMyanmar (Burma), China, Guatemala, Russia
Mineral Groupsilicates
Usesjewelry, carving, ornamental objects, collector
Associated Mineralsserpentine, albite, glaucophane, lawsonite
Rarityuncommon
Description
A rectangular, unpolished block of translucent green jadeite, exhibiting fine striations from cutting and minor brown/orange discoloration on one corner.
Geological Context
Jadeite forms under high-pressure, low-temperature metamorphic conditions, typically in subduction zones within serpentinite bodies or associated with blueschist facies rocks.
