About Ankerite
A calcium iron magnesium manganese carbonate, part of the dolomite group, often brownish. It's a grounding stone that encourages practical solutions and promotes emotional stability and security.
Primary Hues
White, Grey, Yellowish-Brown, Brown, Pinkish
Geological & Scientific Details
Ankerite is classified as a carbonate mineral mineral which typically crystallizes in the trigonal system. Its chemical formula is Ca(Fe,Mg,Mn)(CO3)2. Common crystal habits include chrystals rhombohedral with curved faces; columnar, stalactitic, granular, massive.
Key Geological Properties:
- Mineral Category: Carbonate mineral
- Chemical Formula: Ca(Fe,Mg,Mn)(CO3)2
- IMA Symbol: Ank[1]
- Crystal System: Trigonal
- Predominant Geological Color: Brown, yellow, white
- Crystal Habit: Chrystals rhombohedral with curved faces; columnar, stalactitic, granular, massive
- Twinning: Simple t {0001}, {1010}. {1120}
- Cleavage: Perfect on {1011}
- Luster: Vitreous to pearly
- Streak: White
- Diaphaneity: Translucent to transparent