Difference between revisions of "Ankerite"
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== Authority == | == Authority == | ||
| − | * | + | * Submitted information Comment: Jose Delgado Rodrigues, LNEC, 2009. |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:48, 24 July 2013
Description
A mineral of dolomite group in which some of the magnesium is replaced by iron, and manganese. Ankerite was first recognized as a unique mineral by W. von Haidinger in 1835. Deposits are often found with siderite in iron-ore.
Synonyms and Related Terms
brown-spar; pearl-spar; bitter-spar; ankerite (Port.)
Other Properties
Color is white, gray, yellow-brown, or reddish-brown.
| Composition | Ca(Fe, Mg, Mn)(CO3)2 |
|---|---|
| Mohs Hardness | 3.5-4.0 |
| Density | 2.9-3.1 |
Authority
- Submitted information Comment: Jose Delgado Rodrigues, LNEC, 2009.