Difference between revisions of "Ankerite"
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== Description == | == Description == | ||
| − | A mineral of [ | + | A mineral of [[dolomite|dolomite]] group in which some of the [[magnesium|magnesium]] is replaced by [[iron|iron]], and [[manganese|manganese]]. Ankerite was first recognized as a unique mineral by W. von Haidinger in 1835. Deposits are often found with [[siderite|siderite]] in iron-ore. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 13:06, 7 January 2014
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.