
Jade (Jadeite)
Mineral NameJade (Jadeite)
Chemical FormulaNaAlSi₂O₆
Mohs Hardness6.5
Crystal Systemmonoclinic
Lustervitreous
Streak Colorwhite
CleavageGood, two directions at nearly 90 degrees (prismatic)
Fracturesplintery
Specific Gravity3.3
Colorsdark green, greenish-blue, brownish-red
Transparencytranslucent
Type LocalityMyanmar, Guatemala, Japan, Alps (Italy, Switzerland)
Mineral GroupSilicates (Pyroxene Group)
Usesjewelry, carving, ornamental objects, tools, collector
Associated Mineralsserpentine, albite, glaucophane, lawsonite
Rarityuncommon
Description
This image displays a polished, dark green jadeite axe head, elongated and rectangular with rounded edges, tapering to a sharp blade. Its surface is smooth with a subtle luster, showing some reddish-brown streaks or inclusions.
Geological Context
Jadeite forms under high-pressure, low-temperature metamorphic conditions, typically in subduction zones. It is often found in serpentinite bodies and is indicative of intense tectonic activity.