Difference between revisions of "Ankerite"
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brown-spar; pearl-spar; bitter-spar; ankerite (Port.) | brown-spar; pearl-spar; bitter-spar; ankerite (Port.) | ||
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== Physical and Chemical Properties == | == Physical and Chemical Properties == | ||
Latest revision as of 12:33, 27 April 2022
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.)
Physical and Chemical 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 g/ml |
Resources and Citations
- Mindata.org: [==Resources and Citations== Ankerite]
- Jose Delgado Rodrigues, LNEC, 2009, submitted information.