General Information:
Chemical Formula:
Mg2Al2(CO3)4(OH)2·15(H2O)
Composition:
(Molecular Weight = 646.85 gm)
Magnesium 7.51 % Mg
Aluminum 8.34 % Al
Hydrogen 4.99 % H
Carbon 7.43 % C
Oxygen 71.73 % O
Empirical Formula:
Mg2Al2(CO3)4(OH)2·15(H2O)
Environment:
Alteration zone.
IMA Status:
Approved IMA 1971
Locality:
Sarylakh Au-Sb deposit, Indigirka River, northeastern Yakutia, Russia.
Name Origin:
Named after the locality.
Physical Properties:
Color:
snow white.
Density:
1.6
Diaphaniety:
Translucent
Habits:
Acicular - Occurs as needle-like crystals., ,
Hardness:
2 - Gypsum
Luster:
Vitreous - Silky
Streak:
white
More details...