General Information:
Chemical Formula:
(Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2·(H2O)
Composition:
(Molecular Weight = 1,284.18 gm)
Barium 21.39 % Ba
Sodium 1.79 % Na
Strontium 13.65 % Sr
Titanium 7.46 % Ti
Iron 4.35 % Fe
Silicon 17.50 % Si
Hydrogen 0.24 % H
Oxygen 33.64 % O
Empirical Formula:
NaFe2+Ba2Sr2Ti2(Si4O12)2(OH)O·(H2O)
IMA Status:
Approved IMA
Locality:
Nina Numero Uno, near San Benito Mountain, San Benito Co., California.
Name Origin:
Named after its composition and the relationship to joaquinite (named for Joaquin Ridge, Diablo Range, California, USA).
Physical Properties:
Cleavage:
[001] Good
Color:
green, yellow brown, or yellow green.
Density:
3.68
Diaphaniety:
Transparent
Hardness:
5.5 - Knife Blade
Luster:
Vitreous (Glassy)
More details...