Ankerite
Revision as of 07:48, 24 July 2013 by (username removed)
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.