General Information:
Chemical Formula:
Ca2Cu2Si3O8(OH)4
Composition:
(Molecular Weight = 487.53 gm)
Calcium 16.44 % Ca
Silicon 17.28 % Si
Copper 26.07 % Cu
Hydrogen 0.83 % H
Oxygen 39.38 % O
Empirical Formula:
Ca2Cu2Si3O10·2(H2O)
IMA Status:
Approved IMA 1970
Locality:
TL: Helvetia, Santa Rita Mtns., Pima County, AZ, USA.
Name Origin:
Named after Eusebio Francisco Kino (1645-1711), Jesuit explorer of the southwestern United States.
Physical Properties:
Cleavage:
[010] Perfect, [100] Distinct, [001] Distinct
Color:
azure blue.
Density:
3.16
Diaphaniety:
Transparent to Translucent
Hardness:
5 - Apatite
Luster:
Vitreous (Glassy)
Streak:
bluish white
More details...