Celestite Cluster | Madagascar impurities is a rare variety of

is a rare variety of serpentine that forms in massive crystalline structures rather than distinct individual crystals

fan-like or rosette-shaped blade crystals

Tri-state calcite is a fluorescent dark golden brown

75" x 2" and weighs 3

Celestite Cluster | Madagascar impurities is a rare variety ofThis celestite cluster comes from Madagascar and features translucent blue to blue gray crystals naturally formed on a light colored matrix. Celestite, also known as celestine, is a strontium sulfate mineral with the chemical formula SrSO and crystallizes in the orthorhombic system. The crystals often form in sharp, well defined shapes with a glassy luster, making celestite a favorite among mineral collectors. With a Mohs hardness of 33. 5, celestite