God for us to design products, we are the porters of nature!
| Ankerite | |
Chemical Formula |
Ca(Fe,Mg,Mn)(CO3)2 |
Species |
Carbonates |
Crystal System |
Trigonal |
Mohs Scale |
3-4 |
Specific Gravity |
2.93-3.10 |
Color |
Brown, yellow, white |
Streak |
White |
Luster |
Vitreous, Pearly |
Refractive Index |
n = 1.690 - 1.750 n = 1.510 - 1.548 |
Diaphaneity |
Transparent, Translucent |
Cleavage |
PerfectPerfect on |
Fracture |
Sub-Conchoidal |
| Crystal Habit：Chrystals rhombohedral with curved faces; columnar, stalactitic, granular, massive | |
| Geological Setting：Low grade metamorphism of ironstones and banded iron formation. | |
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