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, 15 September 2023 04:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including berryite, bieberite, calcite, ceruleite, cornetite, and crookesite and more from places like Clara mine, Wolfach, Schwarzwald, Baden-Wurttemberg, Germany, Katanga, Democratic Republic of Congo, Santa Eulalia, Chihuahua, Mexico, Wheal Gorland, St. Day dist., Cornwall, England, Star of the Congo mine, Lubumbashi, Shaba, Congo, and Skrikerum mine, Valdemarsvik, Östergötland, Sweden.

Berryite

#KR61949
Locality
Clara mine, Wolfach, Schwarzwald, Baden-Wurttemberg, Germany 
Formula
Cu3Ag2Pb3Bi7S16 
Availability
Sold
Size
3 x 2.3 x 1.6 cm - Thumbnail 
Tagged
sulfide , copper , silver  

Bunches of silvery filliform crystals.


Berryite

Formula
Cu3Ag2Pb3Bi7S16 
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
blue gray, gray 
Class
Monoclinic - Prismatic 
Hardness
3.5 
Collection
Kenneth Raabe Collection
On Dakota Matrix
Previously Sold Berryite
On Dakota Matrix
Other Available Berryite
WebMineral
View Berryite
Mindat
View Berryite

Bieberite

with Chalcanthite - #BAC62449
Locality
Katanga, Democratic Republic of Congo 
Formula
CoSO4·7H2
Availability
Sold
Size
3 x 2 x 2 cm - Thumbnail 

Chalky pink Bieberite with glassy blue Chalcanthite.


Bieberite

Formula
CoSO4·7H2
Crystal System
Monoclinic 
Crystal Habit
Stalactitic, Encrustations 
Cleavage
Perfect, None, None 
Luster
Vitreous - Dull 
Color
pinkish red, flesh pink 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Collection
William & Anne Cook Collection
Mineralpedia
View Bieberite
On Dakota Matrix
Previously Sold Bieberite
On Dakota Matrix
Other Available Bieberite
WebMineral
View Bieberite
Mindat
View Bieberite

Calcite

with Hematite - #BAC62442
Locality
Santa Eulalia, Chihuahua, Mexico 
Formula
CaCO3 
Availability
Sold
Size
6.5 x 7.5 x 4 cm - Sm Cabinet 
Tagged
carbonate  

This type of Calcite is an enduring classic from Mexico. Scalenohedral crystals to 3.5cm with sparkling coatings of iron-stained Calcite.


Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Collection
William & Anne Cook Collection
Mineralpedia
View Calcite
On Dakota Matrix
Previously Sold Calcite
On Dakota Matrix
Other Available Calcite
WebMineral
View Calcite
Mindat
View Calcite

Ceruleite

#BAC62434
Locality
Wheal Gorland, St. Day dist., Cornwall, England 
Formula
Cu2Al7(AsO4)4(OH)13·12H2
Availability
Available
Price
$45.00
Size
7 x 4.5 x 2 cm - Sm Cabinet 
Tagged
arsenate , copper  

Light blue coatings.


Ceruleite

Formula
Cu2Al7(AsO4)4(OH)13·12H2
Crystal System
Triclinic 
Color
blue, deep blue 
Streak
bluish white 
Class
Triclinic - Pinacoidal 
Hardness
5-6 
Collection
William & Anne Cook Collection
Mineralpedia
View Ceruleite
On Dakota Matrix
Previously Sold Ceruleite
On Dakota Matrix
Other Available Ceruleite
WebMineral
View Ceruleite
Mindat
View Ceruleite

Cornetite

#BAC62450
Locality
Star of the Congo mine, Lubumbashi, Shaba, Congo 
Formula
Cu3PO4(OH)3 
Availability
Sold
Size
4 x 4 x 2.5 cm - Miniature 
Tagged
phosphate , copper  

Deep, dark blue superb crystals groups to 1.5mm.


Cornetite

Formula
Cu3PO4(OH)3 
Crystal System
Orthorhombic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
greenish blue, dark blue 
Streak
blue 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
4.5 
Collection
William & Anne Cook Collection
Mineralpedia
View Cornetite
On Dakota Matrix
Previously Sold Cornetite
On Dakota Matrix
Other Available Cornetite
WebMineral
View Cornetite
Mindat
View Cornetite

Crookesite

#KR61957
Locality
Skrikerum mine, Valdemarsvik, Östergötland, Sweden 
Formula
Cu7TlSe4 
Availability
Sold
Size
3 x 1.8 x 1.9 cm - Thumbnail 
Tagged
copper , selenium  
Special Info
Type Locality 

Indiscernible black masses with Calcite.


Crookesite

Formula
Cu7TlSe4 
Crystal System
Tetragonal 
Crystal Habit
Disseminated 
Cleavage
Good, None, None 
Luster
Metallic 
Color
blue gray, brown pink, gray 
Class
Tetragonal - Disphenoidal 
Fracture
Brittle 
Hardness
2.5-3 
Collection
Kenneth Raabe Collection
Special Info
Type Locality

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2023 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map