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)
hexagonaluncommonPhosphates
Apatite
Ca5(PO4)3(F,Cl,OH)
This specimen features several translucent, greenish-blue hexagonal apatite crystals, some with distinct terminations, embedded within a matrix that also contains silvery muscovite flakes.
Apatite Physical Properties
Mohs Hardness
5Crystal System
hexagonalLuster
vitreousStreak Color
whiteCleavage
imperfect basal {0001}Fracture
conchoidalSpecific Gravity
3.18Colors
green, blue, yellow, pink, purple, colorless, brownTransparency
transparentType Locality
Mörchner area, Zemmgrund, Ziller valley, North Tyrol, TyrolMineral Group
PhosphatesUses
fertilizer, gemstone, collectorAssociated Minerals
muscoviteRarity
uncommonGeological Context
Apatite is a common accessory mineral found in a wide range of igneous, metamorphic, and sedimentary rocks, often forming in pegmatites, hydrothermal veins, and as a primary constituent in some phosphate-rich sedimentary deposits.
