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)
monoclinicuncommonsulfates
Glauberite
Na₂Ca(SO₄)₂
The image displays a cluster of white to translucent, tabular glauberite crystals, often forming aggregates, some with a slightly yellowish or brownish tint.
Glauberite Physical Properties
Mohs Hardness
2.5Crystal System
monoclinicLuster
vitreousStreak Color
whiteCleavage
perfect on {001}, distinct on {110}Fracture
conchoidalSpecific Gravity
2.75Colors
white, colorless, gray, yellowish, reddishTransparency
transparentType Locality
Camp Verde, Camp Verde District, Yavapai County, ArizonaMineral Group
sulfatesUses
industrial (source of sodium sulfate), collectorAssociated Minerals
gypsum, halite, anhydrite, polyhaliteRarity
uncommonGeological Context
Glauberite is an evaporite mineral, typically forming in saline lake deposits, playa lakes, and marine evaporite sequences under arid conditions where brines evaporate. It is often found associated with other evaporite minerals.
