General Information:
Chemical Formula:Ca2(PO4)(OH)·2(H2O) (?)
Composition:(Molecular Weight = 228.17 gm)Calcium 35.13 %
CaPhosphorus 13.58 %
P Hydrogen 2.21 %
H Oxygen 49.09 %
O Empirical Formula: Ca2(PO4)(OH)·2(H2O)
Environment:Found with chalcedony and dolomite. An inadequately described species.
IMA Status:Not IMA Approved
Locality:Jachymov, Zapadocesky Kraj, Bohemia, Czech Republic.
Name Origin:Named from the Greek for "equal" and "fracture", in allusion to the cleavage.
Physical Properties: Cleavage:[010] Distinct
Color:colorless or white.
Density:2.92
Diaphaniety:Transparent to Translucent
Habits:Fibrous - Crystals made up of fibers., ,
Hardness:1.5 - Between Talc and Gypsum
Luster:Vitreous - Pearly
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