Reddingite

General Information:
 Chemical Formula:
Mn++3(PO4)2·3(H2O)
 Composition:
(Molecular Weight = 408.80 gm)
Manganese 40.32 % Mn
Phosphorus 15.15 % P 
Hydrogen 1.48 % H 
Oxygen 43.05 % O 
 Empirical Formula:
Mn2+3(PO4)2·3(H2O)
 IMA Status:
Approved IMA 1976
 Locality:
Branchville, in the town of Redding, Fairfield Co., Connecticut.
 Name Origin:
Named after its locality.
Physical Properties:
 Cleavage:
[010] Indistinct
 Color:
white, yellowish white, colorless, reddish brown, or dark brown.
 Density:
3.1
 Diaphaniety:
Transparent to Translucent
 Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., Crystalline - Fine - Occurs as well-formed fine sized crystals.,
 Hardness:
3.5 - Copper Penny
 Luminescence:
Non-fluorescent.
 Luster:
Vitreous - Resinous
 Streak:
white
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