General Information:
Chemical Formula:
(Mg,Cu)2(CO3)(OH)2
Composition:
(Molecular Weight = 128.14 gm)
Magnesium 14.23 % Mg
Copper 12.40 % Cu
Hydrogen 1.57 % H
Carbon 9.37 % C
Oxygen 62.43 % O
Empirical Formula:
Mg0.75Cu0.25(CO3)(OH)2
IMA Status:
Approved IMA 1981
Locality:
Miners Ridge, Red Mountain, 15 miles SE of Ukiah, Mendocino Co., California.
Physical Properties:
Color:
blue green, green, or white.
Density:
3.02 - 3.22, Average = 3.12
Diaphaniety:
Transparent to Translucent
Hardness:
2.5 - Finger Nail
Luster:
Vitreous - Silky
More details...