Image: <bdi><a href="https://www.wikidata.org/wiki/Q126871368" class="extiw" title="d:Q126871368"><span title="photographer from the United States">Darla Sondrol</span></a></bdi> (CC0)
orthorhombicuncommonSilicates
Humite
Mg9(SiO4)4(F,OH)2
This sample features brown altered titanium-rich clinohumite, approximately 8 cm in length, with small amounts of green serpentine also present.
Humite Physical Properties
Mohs Hardness
6Crystal System
orthorhombicLuster
vitreousStreak Color
whiteCleavage
poor on {001}Fracture
unevenSpecific Gravity
3.2Colors
brown, yellow, orange, reddish-brownTransparency
transparentType Locality
ItalyMineral Group
SilicatesUses
collector, gemstone (rarely)Associated Minerals
serpentineRarity
uncommonGeological Context
Humite typically forms in metamorphosed dolomitic limestones, skarns, and serpentinites, often under conditions of contact or regional metamorphism.
