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)
tetragonaluncommonOxides
Anatase
TiO2
This image displays a dark blue to black anatase crystal, well-formed and balanced on a clear, gemmy quartz crystal.
Anatase Physical Properties
Mohs Hardness
5.5Crystal System
tetragonalLuster
adamantineStreak Color
white to pale brownCleavage
perfect on {011} and {001}Fracture
subconchoidal to irregularSpecific Gravity
3.9Colors
dark blue, black, brown, yellowTransparency
transparent to translucentType Locality
Mount Storenut, near Hardangervidda, Hordaland, NorwayMineral Group
OxidesUses
collector, minor source of titaniumAssociated Minerals
quartzRarity
uncommonGeological Context
Anatase is a low-temperature polymorph of titanium dioxide, typically found as an accessory mineral in igneous and metamorphic rocks, often in alpine clefts, hydrothermal veins, or as a detrital mineral in sediments.
