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  

Dolomite with Quartz

#61150

Dolomite with Quartz

#61150
Availability
Sold
Size
12.5 x 10 x 3 cm - Cabinet 
Formula
CaMg(CO3)2 (RRUFF)
Locality
Homestake mine, Lawrence Co., South Dakota, United States
Tagged
carbonate

White rhombic, saddle-shaped habit Dolomite crystals to 7mm with needle Quartz. This is from an old collection. The Homestake mine, one of the greatest and largest in the world, is no longer in operation. Specimens such as this one are from "water course" Teritary mineralization.

Dolomite

Formula
CaMg(CO3)2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Massive, Blocky - Rhombohedral 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
white, gray, reddish white, brownish white, gray 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

Mineralpedia
View Dolomite
On Dakota Matrix
Previously Sold Dolomite
On Dakota Matrix
Other Available Dolomite
WebMineral
View Dolomite
Mindat
View Dolomite

Related Products

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2024 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map