General Information:
Chemical Formula:MgCO3
Composition:(Molecular Weight = 84.31 gm)Magnesium 28.83 %
MgCarbon 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...
MgCO3 Magnesiumastrophyllite (Na,K)4Mg2(Fe,Mn)5Ti2Si8O24(O,OH,F)7 Magnesiumchlorophoenici(Mg,Mn)3Zn2(AsO4)(OH,O)6