
Image: <bdi><a href="https://www.wikidata.org/wiki/Q108103612" class="extiw" title="d:Q108103612"><span title="Wikipedian and OpenStreetMap mapper from Cologne, Open Data activist">Raimond Spekking</span></a></bdi> (CC BY-SA 4.0)
monocliniccommonsilicates
Clinochlore
(Mg,Fe)5Al(Si3Al)O10(OH)8
This specimen displays dark green to black, platy to foliated aggregates of clinochlore crystals, showing a somewhat pearly luster on its surfaces.
Clinochlore Physical Properties
Mohs Hardness
2Crystal System
monoclinicLuster
vitreousStreak Color
white to greenish whiteCleavage
perfect on {001}Fracture
unevenSpecific Gravity
2.65Colors
dark green, green, black, yellowish green, white, pink, purpleTransparency
transparent to translucentType Locality
Totenköpfe, Stubachtal, Hohe Tauern, Salzburg, AustriaMineral Group
silicatesUses
collector, minor industrial applicationsAssociated Minerals
quartz, feldspar, epidote, actinolite, garnet, magnetite, talc, serpentineRarity
commonGeological Context
Clinochlore is a common metamorphic mineral, typically forming in low- to medium-grade metamorphic rocks like greenschists and chlorite schists. It also occurs as a hydrothermal alteration product in igneous rocks.