General Information:
Chemical Formula:
Cu2Mg2(PO4)2(OH)2·5(H2O)
Composition:
(Molecular Weight = 489.74 gm)
Magnesium 9.93 % Mg
Copper 25.95 % Cu
Phosphorus 12.65 % P
Hydrogen 2.47 % H
Oxygen 49.00 % O
Empirical Formula:
Cu2Mg2(PO4)2(OH)2·5(H2O)
IMA Status:
Approved IMA 1966
Locality:
Llanada copper mine, 4 miles NNE of Llanada, San Benito Co., California.
Physical Properties:
Cleavage:
[100] Distinct
Color:
bluish green.
Density:
2.73
Hardness:
2.5 - Finger Nail
Streak:
light green
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