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.)
Color is white, gray, yellow-brown, or reddish-brown.
|Composition||Ca(Fe, Mg, Mn)(CO3)2|
Sources Checked for Data in Record
- Submitted information Comment: Jose Delgado Rodrigues, LNEC, 2009.