Image: <bdi><a href="https://www.wikidata.org/wiki/Q59254420" class="extiw" title="d:Q59254420"><span title="Dutch photographer">Leon Hupperichs</span></a></bdi> (CC BY-SA 3.0)
monocliniccommonSilicates
Tremolite
Ca2Mg5Si8O22(OH)2
This specimen features a cluster of white to light grey, elongated, prismatic tremolite crystals, some exhibiting a fibrous habit, on a matrix.
Tremolite Physical Properties
Mohs Hardness
5Crystal System
monoclinicLuster
vitreousStreak Color
whiteCleavage
perfect on {110} at 56 and 124 degreesFracture
unevenSpecific Gravity
3Colors
white, gray, green, pink, brown, colorlessTransparency
translucentType Locality
Campolungo, Piumogna Valley, Leventina, Ticino (Tessin), SwitzerlandMineral Group
SilicatesUses
collector, scientific researchAssociated Minerals
calcite, dolomite, talc, diopside, grossular, quartzRarity
commonGeological Context
Tremolite typically forms during the regional metamorphism of dolomitic limestones and ultramafic rocks, often found in skarns and contact metamorphic zones.
