Chrysoprase
Image: <a rel="nofollow" class="external text" href="https://www.flickr.com/people/25326737@N00">Jarno</a> from Rotterdam, Netherlands (CC BY 2.0)
Mineral NameChrysoprase
Chemical FormulaSiO2
Mohs Hardness7
Crystal Systemtrigonal
Lusterwaxy
Streak Colorwhite
Cleavagenone
Fractureconchoidal
Specific Gravity2.6
Colorsapple-green, green, brown, white
Transparencytranslucent
Type LocalityAustralia
Mineral GroupSilicates
Usesjewelry, ornamental stone, collector
Associated Mineralsserpentine, limonite, goethite
Rarityuncommon
Description
A tumbled specimen of chrysoprase, displaying a vibrant apple-green color with areas of lighter green, white, and darker brown inclusions, characteristic of its cryptocrystalline texture.
Geological Context
Chrysoprase is a nickel-rich variety of chalcedony, forming in weathered and lateritized serpentinites or other ultramafic rocks, often found in veins and nodules.
