Sulfate minerals and their features
Sulfate minerals and their features
The sulfate minerals are a class of minerals that include the sulfate ion (SO2−4) within their structure.
Desert Rose
Desert Rose
Chemical Formula : CaSO4·2H2O
Mohs Scale : 1.5 - 2
Crystal System : Monocilinic
The color of the Rosette-shaped gypsum comes from the sand it contains.
Baryte
Baryte
Chemical Formula : BaSO4
Mohs Scale : 3 -3,5
Crystal System : Orthorhombic
Baryte is main source of the element barium. This piece is from germany.
Selenite
Selenite
Chemical Formula : CaSO4·2H2O
Mohs Scale : 1.5 - 2
Crystal System : Monocilinic
Celestine
Celestine
Chemical Formula : SrSO4
Mohs Scale : 3 -3,5
Crystal System : Orthorhombic
Desert Rose
Desert Rose
Celestine Geode
Celestine Geode