anhydrite (CaSO4)

GPTKB entity

Statements (28)
Predicate Object
gptkbp:instanceOf granite
gptkbp:associatedMinerals gptkb:calcite
gypsum
halite
gptkbp:chemicalFormula CaSO4
gptkbp:cleavage perfect
gptkbp:color blue
gray
white
violet
gptkbp:crystalSystem orthorhombic
gptkbp:dehydratesTo gypsum
gptkbp:discoveredBy gptkb:A.G._Werner
gptkbp:discoveredIn 1794
gptkbp:event evaporite deposits
gptkbp:hardnessMohs 3.5
https://www.w3.org/2000/01/rdf-schema#label anhydrite (CaSO4)
gptkbp:luster vitreous
pearly
gptkbp:namedAfter Greek word for 'without water'
gptkbp:solubility slightly soluble in water
gptkbp:specificGravity 2.9
gptkbp:streak white
gptkbp:uses cement production
plaster
soil treatment
gptkbp:bfsParent gptkb:Calcium_Sulfate_(CaS)
gptkbp:bfsLayer 5