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, 26 February 2023 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including acanthite, anglesite, beudantite, seeligerite, sterryite, and stibnite and more from places like Uchucchacua mine, Oyon prov., Lima dept., Peru, Monteponi mine, Iglesias, Sardinia, Italy, Kamariza mine, Laurium, Greece, Casucha mine, Caracoles, Sierra Gorda, Antofagasta, Chile, Pollone mine, Valdicastello Carducci, Apuan Alps, Lucca, Tuscany, Italy, and Le Cetine di Cotorniano mine, Chiusdino, Siena Province, Tuscany, Italy.

Acanthite

with Silver - #61008
Locality
Uchucchacua mine, Oyon prov., Lima dept., Peru 
Formula
Ag2
Availability
Available
Price
$150.00
Size
5 x 2.5 x 3 cm - Miniature 
Tagged
sulfide , silver  

Dull grey, large bleb-like crystals of Acanthite with curled Silver wires.


Acanthite

Formula
Ag2
Crystal System
Monoclinic 
Crystal Habit
Blocky, Skeletal, Arborescent 
Cleavage
poor to none 
Luster
Metallic 
Color
lead gray, gray, iron black 
Streak
shining black 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
2-2.5 
Mineralpedia
View Acanthite
On Dakota Matrix
Previously Sold Acanthite
On Dakota Matrix
Other Available Acanthite
WebMineral
View Acanthite
Mindat
View Acanthite

Anglesite

#60940
Locality
Monteponi mine, Iglesias, Sardinia, Italy 
Formula
PbSO4 
Availability
Available
Price
$195.00
Size
4.5 x 5.5 x 4 cm - Sm Cabinet 

Textbook Anglesite crystals with striations along the 101 faces and long sloping terminations coming to a chisel point. The largest crystal to 1.3cm with numerous other crystals from 2 to 7mm. The color is a translucent yellowish tan with smoky tips. The overall pocket is 4 x 3.5cm on a Galena matrix. Excellent specimen formerly of ShelterRockMinerals (Terry Szenics).


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

Beudantite

#60983
Locality
Kamariza mine, Laurium, Greece 
Formula
PbFe3+3(AsO4)(SO4)(OH)6 
Availability
Available
Price
$45.00
Size
6 x 3.5 x 3.5 cm - Sm Cabinet 
Tagged
arsenate  

Sparkly reddish brown micro crystals less than 0.5mm on Galena and jasperoidal matrix.


Beudantite

Formula
PbFe3+3(AsO4)(SO4)(OH)6 
Crystal System
Trigonal 
Crystal Habit
Blocky - Rhombohedral, Druse, Platy 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
brown, green, yellow, dark green, orange 
Streak
greenish yellow 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness

Seeligerite

#BAC61125
Locality
Casucha mine, Caracoles, Sierra Gorda, Antofagasta, Chile 
Formula
Pb3(IO4)Cl3 
Availability
Available
Price
$75.00
Size
3.5 x 2 x 2.5 cm - Miniature 

Orange scales and platy crystals with Diaboleite(?).


Seeligerite

Formula
Pb3(IO4)Cl3 
Crystal System
Orthorhombic 
Crystal Habit
Platy 
Cleavage
Perfect, Good, None 
Color
light yellow 
Streak
light yellow 
Class
Orthorhombic - Disphenoidal 
Hardness
Collection
William & Anne Cook Collection

Sterryite

#60989
Locality
Pollone mine, Valdicastello Carducci, Apuan Alps, Lucca, Tuscany, Italy 
Formula
(Ag,Cu)2Pb10(Sb,As)12S29 
Availability
Available
Price
$95.00
Size
5.5 x 4 x 3 cm - Sm Cabinet 
Tagged
sulfide , copper , silver  

1-3mm metallic bladed crystals in Quartz and some out of Quartz. Rich specimen with some other unidentified metallic crystals (maybe just Pyrite, but awfully small to determine).


Sterryite

Formula
(Ag,Cu)2Pb10(Sb,As)12S29 
Crystal System
Orthorhombic 
Crystal Habit
Plumose 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
black 
Streak
metallic 
Class
Orthorhombic - Dipyramidal 
Hardness
3.5 
Mineralpedia
View Sterryite
On Dakota Matrix
Previously Sold Sterryite
On Dakota Matrix
Other Available Sterryite
WebMineral
View Sterryite
Mindat
View Sterryite

Stibnite

#60998
Locality
Le Cetine di Cotorniano mine, Chiusdino, Siena Province, Tuscany, Italy 
Formula
Sb2S3 
Availability
Available
Price
$35.00
Size
6 x 3.5 x 2.5 cm - Sm Cabinet 
Tagged
sulfide  

Divergent and long prismatic crystals to over 5cm.


Stibnite

Formula
Sb2S3 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Striated, Granular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
lead gray, bluish lead gray, steel gray, black 
Streak
blackish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
Mineralpedia
View Stibnite
On Dakota Matrix
Previously Sold Stibnite
On Dakota Matrix
Other Available Stibnite
WebMineral
View Stibnite
Mindat
View Stibnite

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