General Information:
Chemical Formula:
MgCO3
Composition:
(Molecular Weight = 84.31 gm)
Magnesium 28.83 % Mg
Carbon 14.25 % C
Oxygen 56.93 % O
Empirical Formula:
Mg(CO3)
Name Origin:
Named after its chemical composition.
Physical Properties:
Cleavage:
[1011] Perfect, [1011] Perfect, [1011] Perfect
Color:
colorless, white, grayish white, yellowish white, or brownish white.
Density:
3
Diaphaniety:
Transparent to translucent to opaque
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite)., Massive - Fi brous - Distinctly fibrous fine-grained
Hardness:
4 - Fluorite
Luminescence:
None.
Luster:
Vitreous (Glassy)
Streak:
white
More details...