Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)
monoclinicuncommonSilicates
Hedenbergite
CaFeSi2O6
This specimen features dark green, prismatic to blocky crystals of Hedenbergite, intergrown with and partially covered by translucent white Quartz.
Hedenbergite Physical Properties
Mohs Hardness
5.5Crystal System
monoclinicLuster
vitreousStreak Color
greenish grayCleavage
good on {110} (two directions at nearly 90 degrees)Fracture
uneven to conchoidalSpecific Gravity
3.5Colors
dark green, greenish-black, black, brownish-greenTransparency
translucent to opaqueType Locality
Mega Horio, Serifos Island, Cyclade Islands, GreeceMineral Group
SilicatesUses
collectorAssociated Minerals
quartzRarity
uncommonGeological Context
Hedenbergite is a common mineral found in skarns, which are contact metamorphic rocks formed by the reaction between igneous intrusions and carbonate-rich sedimentary rocks, often associated with iron ore deposits.
