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

Friday, 05 April 2019 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including brochantite, bromellite, clinotyrolite, corderoite, dyscrasite, and ferrilotharmeyerite and more from places like Metcalf mine, Greenlee Co., Arizona, United States, Lupikko mine, Pitkäranta, Karelia Republic, Russia, Lovelock mine, Churchill Co., Nevada, United States, McDermitt mine, Humboldt Co., Nevada, United States, Samson mine, St Andreasberg dist., Harz, Lower Saxony, Germany, and Tsumeb mine, Tsumeb, Namibia.

SOLD
Brochantite - 50554
Brochantite - 50554

Brochantite

#50554
Locality
Metcalf mine, Greenlee Co., Arizona, United States 
Formula
Cu4SO4(OH)6 
Availability
Sold
Size
10 x 6 x 4 cm - Cabinet 
Tagged
copper  

Fabulous Brochantite in 1-2mm sprays with excellent coverage.


Brochantite

Formula
Cu4SO4(OH)6 
Crystal System
Monoclinic 
Crystal Habit
Acicular, Prismatic, Druse 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
green, emerald green, black 
Streak
pale green 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
SOLD
Bromellite - 50465
Bromellite - 50465

Bromellite

#50465
Locality
Lupikko mine, Pitkäranta, Karelia Republic, Russia 
Formula
BeO 
Availability
Sold
Size
1.3 x 1 x 0.6 cm - Thumbnail 
Tagged
beryllium  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Colorless bladed crystals to 3mm. Acquired from Dr. Igor Pekov.


Bromellite

Formula
BeO 
Crystal System
Hexagonal 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
white 
Streak
white 
Class
Hexagonal - Dihexagonal Pyramidal 
Hardness
Special Info
XRD Confirmed
Special Info
EDS Confirmed

Clinotyrolite

#38638
Locality
Lovelock mine, Churchill Co., Nevada, United States 
Formula
Ca2Cu9(AsO4,SO4)4(OH,O)1010H2
Availability
Sold
Size
3.5 x 3 x 3 cm - Miniature 
Tagged
arsenate , copper  

Bluish green sprays of Clinotryolite to 2mm.


Clinotyrolite

Formula
Ca2Cu9[(As,S)O4]4(OH)10*10(H2O) 
Crystal System
Monoclinic 
Crystal Habit
Radial, Foliated 
Luster
Silky - Pearly 
Color
emerald green 
Streak
light green 
Class
Monoclinic - Prismatic 
Hardness
SOLD
Corderoite - 42049
Corderoite - 42049

Corderoite

#42049
Locality
McDermitt mine, Humboldt Co., Nevada, United States 
Formula
Hg3S2Cl2 
Availability
Sold
Size
6 x 5 x 3 cm - Sm Cabinet 

Pink to red Corderoite impregnating matrix with Cinnabar.


Corderoite

Formula
Hg3S2Cl2 
Crystal System
Isometric 
Color
light gray, light yellow, light orange pink, black 
Class
Isometric - Tetartoidal 
Hardness
1.5-2 

Dyscrasite

#50363
Locality
Samson mine, St Andreasberg dist., Harz, Lower Saxony, Germany 
Formula
Ag3.2Sb0.8 
Availability
Sold
Size
4.5 x 3 x 2.5 cm - Miniature 
Tagged
sulfide , silver  

Old specimen with very good stubby prismatic crystals. Highly sought after locality and this specimen surely is a great piece. Crystals are well-formed from 2 to 3mm on Calcite matrix.


Dyscrasite

Formula
Ag3.2Sb0.8 
Crystal System
Orthorhombic 
Crystal Habit
Pseudo Hexagonal, Scaly, Granular 
Cleavage
Distinct, Distinct, Imperfect 
Luster
Metallic 
Color
gray, yellow, black, silver white 
Streak
silver white 
Class
Orthorhombic - Pyramidal 
Fracture
Sectile 
Hardness
3.5-4 

Ferrilotharmeyerite

with Adamite - #50385
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
CaZnFe3+(AsO3OH)2(OH)3 
Availability
Sold
Size
3.5 x 1.5 x 2 cm - Miniature 
Tagged
arsenate  

The yellow may be Tsumcorite, but nonetheless and nice little specimen with green Adamite.


Ferrilotharmeyerite

Formula
CaZnFe3+(AsO3OH)2(OH)3 
Crystal System
Monoclinic 
Crystal Habit
Subhedral Crystals, Tabular, Wedge shaped 
Cleavage
Good, None, None 
Luster
Adamantine - Greasy 
Color
brownish yellow, yellow brown 
Streak
light yellow 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness

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