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  

Mixed Minerals

Sunday, 09 May 2021 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including rosasite, stellerite, and uraninite and more from places like 79 mine, Gila Co., Arizona, United States, Sokolovskoe Iron mine, Kostanay prov., Kazakhstan, and Ruggles quarry, Grafton Co., New Hampshire, United States.

Rosasite

with Cerussite - #AH54350
Locality
79 mine, Gila Co., Arizona, United States 
Formula
CuZnCO3(OH)2 
Availability
Sold
Size
5 x 5 x 3.5 cm - Miniature 
Tagged
carbonate , copper  

This is really a good specimen for two basic carbonate minerals, Rosasite and Cerussite. The Rosasite is a nice greenish blue with coating and crystals occupying many of the voids. The Cerussite crystals are 4-5mm with excellent cyclic twinning. 


Rosasite

Formula
CuZnCO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Spherical, Mammillary, Encrustations 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous - Silky 
Color
blue green, light blue, sky blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Splintery 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
View Rosasite
On Dakota Matrix
Previously Sold Rosasite
On Dakota Matrix
Other Available Rosasite
WebMineral
View Rosasite
Mindat
View Rosasite

Stellerite

on Magnetite - #BC52625
Locality
Sokolovskoe Iron mine, Kostanay prov., Kazakhstan 
Formula
Ca4(Si28Al8)O72·28H2
Availability
Sold
Size
7 x 6 x 4 cm - Sm Cabinet 

Yellowish blossom of radiating Stellerite in a hemispherical ball to 3.3cm across on Magnetite.


Stellerite

Formula
Ca4(Si28Al8)O72·28H2
Crystal System
Orthorhombic 
Crystal Habit
Stellate, Tabular, Spherical 
Cleavage
Perfect, Imperfect, Imperfect 
Luster
Vitreous (Glassy) 
Color
white, pink, salmon orange, brown, red 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
4.5 
Collection
Barbara Cureton Collection

Uraninite

with Foumarierite & Curite - #RW52556
Locality
Ruggles quarry, Grafton Co., New Hampshire, United States 
Formula
UO2 
Availability
Sold
Size
4 x 3 x 2 cm - Miniature 

Black crystals of Uraninite to 3mm with alterations to yellow Foumarierite and orange Curite (no crystals though).


Uraninite

Formula
UO2 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse, Botryoidal, Dendritic 
Cleavage
Good, None, None 
Luster
Sub Metallic 
Color
brownish black, gray, grayish black, black 
Streak
brownish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
5-6 
Collection
Robert J. Waidler Collection

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2021 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map