General Information:
Chemical Formula:
MgCO3·2(H2O)
Composition:
(Molecular Weight = 120.34 gm)
Magnesium 20.20 % Mg
Hydrogen 3.35 % H
Carbon 9.98 % C
Oxygen 66.47 % O
Empirical Formula:
Mg(CO3)·2(H2O)
Environment:
Found with nesquehonite on the surfaces of olivine basalt.
IMA Status:
Approved IMA 1965
Locality:
Barrington Tops, NSW, Australia.
Name Origin:
After its locality.
Physical Properties:
Cleavage:
[001] Distinct, [100] Distinct, [010] Distinct
Color:
colorless.
Density:
2.83
Diaphaniety:
Transparent
Habits:
Nodular - Tuberose forms having irregular protuberances over the surface., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Fibrous - Crystals made up of fibers.
Streak:
white
More details...