Image: Mai Seppel (CC BY-SA 4.0)
orthorhombicuncommonNesosilicates
Humite
(Mg,Fe)7(SiO4)3(F,OH)2
The image displays a specimen of humite, characterized by its yellowish-brown to reddish-brown color, appearing as granular or blocky crystals within a matrix.
Humite Physical Properties
Mohs Hardness
6Crystal System
orthorhombicLuster
vitreousStreak Color
whiteCleavage
poor on {001}Fracture
unevenSpecific Gravity
3.1Colors
yellow, orange, brown, reddish-brownTransparency
transparentType Locality
Mount Vesuvius, Campania, ItalyMineral Group
NesosilicatesUses
collector, gemstone (rare)Associated Minerals
calcite, dolomite, phlogopite, spinel, chondrodite, clinohumiteRarity
uncommonGeological Context
Humite typically forms in contact metamorphic environments, particularly in metamorphosed dolomitic limestones and skarns, often in association with serpentine.
