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V - Sulfates
Crystal habit of Celestine Celestine (fibrous celestine)

 
Name   Celestine
(Celestite)
Chemistry   Sr[SO4]
Hardness   3 - 3.5
Lustre   vitreous
Colour   colourless, white, yellowish, also blue
Streak   white 
Density [g/cm3]   3.9 - 4.0
Crystal habit   orthorhombic, crystals tabular, and prismatic
Cleavage, Fracture   [001] perfect, [210] distinct, fracture conchoidal
other characteristics and occurrences   grained, spathic, botryoidal, prismatic, fibrous
   

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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