Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Spheromagnesite

A variety of Magnesite
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Formula:
MgCO3
Spherical variety of magnesite (compare the German Sphäromagnesit).
Also defined as "rose-shaped magnesite" (Glossary of Obsolete Mineral Names).


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Unique IdentifiersHide

Mindat ID:
55301 (as Spheromagnesite)
2482 (as Magnesite)
Long-form identifier:
mindat:1:1:55301:2 (as Spheromagnesite)
mindat:1:1:2482:8 (as Magnesite)

Similar NamesHide

SphäromagnesitA variety of MagnesiteMgCO3

Chemistry of SpheromagnesiteHide

Mindat Formula:
MgCO3
Element Weights:
Element% weight
O56.928 %
Mg28.827 %
C14.245 %

Calculated from ideal end-member formula.
Elements listed:
C, Mg, O - search for minerals with similar chemistry

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SpheromagnesiteHide

References for SpheromagnesiteHide

Reference List:
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