mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Mineralpedia Details for Ankerite

Reset

Ankerite

Ankerite

Formula
CaFe2+(CO3)2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Massive, Granular 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
brown, brownish yellow, gray, gray brown, white 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Sub Conchoidal 
Hardness
3.5-4 
WebMineral
View Ankerite 
Mindat
View Ankerite 

Ankerite from Huancavelica, Peru

Ankerite
            from Huancavelica, Peru

Large rhombic 3cm crystals of Ankerite with 2-5mm Tennantite(?) crystals.

Click thumbnail images for larger view.

Ankerite from Jeffrey Quarry, Pulaski Co., Arkansas, United States

Ankerite
            from Jeffrey Quarry, Pulaski Co., Arkansas, United States

Dull orange brown, discoidal and rounded, perhaps corroded Ankerite crystals suspended by waterclear Quartz crystals. 

Click thumbnail images for larger view.

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map