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, 15 November 2020 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including anglesite, aragonite, augite, azurite, baryte, and beraunite and more from places like Monteponi mine, Iglesias, Sardinia, Italy, Tsumeb mine, Tsumeb, Namibia, Halliburton Co., Ontario, Canada, Metcalf mine, Greenlee Co., Arizona, United States, near Norman, Cleveland Co., Oklahoma, United States, and York mine, Polk Co., Arkansas, United States.

Anglesite

on Galena - #52595
Locality
Monteponi mine, Iglesias, Sardinia, Italy 
Formula
PbSO4 
Availability
Available
Price
$350.00
Size
6 x 6 x 4.5 cm - Sm Cabinet 
Special Info
Antique Specimen 

A 1cm well-formed colorless crystal of Anglesite in a large pocket of Galena. There are numerous smaller crystals. This is a old specimen from the Earl Calvert collection and deaccestioned by the British Museum of Natural History. Old labels included and numbers on the specimen match to tags. See labels in prov. tab.


Anglesite

Formula
PbSO4 
Crystal System
Orthorhombic 
Crystal Habit
Granular, Stalactitic 
Cleavage
Good, Distinct, None 
Luster
Adamantine 
Color
blue, colorless, green, gray, yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
2.5-3 
Collection
Barbara Cureton Collection
Special Info
Antique Specimen
Mineralpedia
View Anglesite
On Dakota Matrix
Previously Sold Anglesite
On Dakota Matrix
Other Available Anglesite
WebMineral
View Anglesite
Mindat
View Anglesite

Aragonite

var. tarnowitzite with Malachite - #52593
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
CaCO3 
Availability
Available
Price
$75.00
Size
5 x 4 x 3.5 cm - Miniature 
Tagged
carbonate  

Yellowish clusters and crystals to 3cm with Malachite.


Aragonite

Formula
CaCO3 
Crystal System
Orthorhombic 
Crystal Habit
Pseudo Hexagonal, Columnar, Fibrous 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white, gray, yellowish white, reddish white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness
3.5-4 
Collection
Barbara Cureton Collection
Mineralpedia
View Aragonite
On Dakota Matrix
Previously Sold Aragonite
On Dakota Matrix
Other Available Aragonite
WebMineral
View Aragonite
Mindat
View Aragonite
SOLD
Augite - 52596
Augite - 52596

Augite

#52596
Locality
Halliburton Co., Ontario, Canada 
Formula
(Ca,Mg,Fe)2(Si,Al)2O6 
Availability
Sold
Size
10 x 4 x 4 cm - Cabinet 

Large impressive, well-formed light green and terminated crystal. Hard to find a bigger one of these guys!


Augite

Formula
(Ca,Mg,Fe)2(Si,Al)2O6 
Crystal System
Monoclinic 
Crystal Habit
Massive - Fibrous, Columnar, Granular 
Cleavage
Perfect, Indistinct, None 
Luster
Vitreous - Resinous 
Color
brown green, green, light brown, dark brown, black 
Streak
greenish gray 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
5-6.5 
Collection
Barbara Cureton Collection
Mineralpedia
View Augite
On Dakota Matrix
Previously Sold Augite
On Dakota Matrix
Other Available Augite
WebMineral
View Augite
Mindat
View Augite

Azurite

with Malachite - #RW51235
Locality
Metcalf mine, Greenlee Co., Arizona, United States 
Formula
Cu3(CO3)2(OH)2 
Availability
Available
Price
$275.00
Size
10.5 x 6.5 x 7 cm - Cabinet 
Tagged
carbonate , copper  

Stunning blue Azurite rosettes to 3mm in a large pocket of Malachite/Chrysocolla.


Azurite

Formula
Cu3(CO3)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Prismatic, Stalactitic 
Cleavage
Perfect, Fair, None 
Luster
Vitreous (Glassy) 
Color
azure blue, blue, light blue, dark blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
Mineralpedia
View Azurite
On Dakota Matrix
Previously Sold Azurite
On Dakota Matrix
Other Available Azurite
WebMineral
View Azurite
Mindat
View Azurite

Baryte

rose - #AH54537
Locality
near Norman, Cleveland Co., Oklahoma, United States 
Formula
BaSO4 
Availability
Available
Price
$195.00
Size
7.5 x 7 x 6.5 cm - Sm Cabinet 

A large, well-defined Baryte rose, an American classic! I don't think these are collectable any longer. Everyone should have one!


Baryte

Formula
BaSO4 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Prismatic, Massive - Fibrous 
Cleavage
Perfect, Perfect, Imperfect 
Luster
Vitreous (Glassy) 
Color
white, yellowish white, grayish white, brownish white, dark brown 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
3-3.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Baryte
On Dakota Matrix
Previously Sold Baryte
On Dakota Matrix
Other Available Baryte
WebMineral
View Baryte
Mindat
View Baryte

Beraunite

with Kidwellite - #BN54502
Locality
York mine, Polk Co., Arkansas, United States 
Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2
Availability
Sold
Size
8 x 7 x 6 cm - Sm Cabinet 
Tagged
phosphate  

I'm not sure, but this is probably one of the better localities for Beraunite in the world. The crystals are great with a deep red color and are large to about 5mm.


Beraunite

Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2
Crystal System
Monoclinic 
Crystal Habit
Druse, Radial, Globular 
Cleavage
Good, None, None 
Luster
Vitreous - Dull 
Color
green, greenish brown, gray green, dark greenish brown, dark red 
Streak
green brown 
Class
Monoclinic - Prismatic 
Hardness
Collection
Dr. Buford Nichols Collection
Mineralpedia
View Beraunite
On Dakota Matrix
Previously Sold Beraunite
On Dakota Matrix
Other Available Beraunite
WebMineral
View Beraunite
Mindat
View Beraunite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map