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Recently Released Special Editions

Ore Minerals

Friday, 30 May 2025 10:30 AM

Introducing the "Ore Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including galena, graphite, guettardite and more from places like Silent Friend mine, Animas Forks dist., San Juan Co., Colorado, United States, Revenue mine, Sneffels dist., Ouray Co., Colorado, United States, Bogala mine, Sabaragamuwa Prov., Sri Lanka, Brobdignag mine, Red Mtn. dist., San Juan Co., Colorado, United States.

SOLD
Galena - BW58982
Galena - BW58982

Galena

(argentiferous) - #BW58982
Locality
Silent Friend mine, Animas Forks dist., San Juan Co., Colorado, United States 
Formula
PbS 
Availability
Sold
Size
7.5 x 7 x 5 cm - Sm Cabinet 
Tagged
ore mineral , sulfide  

A thick vein of argentiferous Galena. Most of the Galena in Ouray, San Miguel, and San Juan counties are argentiferous (Eckel 1961 USGS Bull. 1114)


Galena

Formula
PbS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
light lead gray, dark lead gray 
Streak
grayish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 
Collection
Bill Wilson Collection
Mineralpedia
View Galena
On Dakota Matrix
Previously Sold Galena
On Dakota Matrix
Other Available Galena
WebMineral
View Galena
Mindat
View Galena
Galena - AH65896
Galena - AH65896

Galena

#AH65896
Locality
Revenue mine, Sneffels dist., Ouray Co., Colorado, United States 
Formula
PbS 
Availability
Available
Price
$25.00
Size
11 x 5 x 5 cm - Cabinet 
Tagged
ore mineral , sulfide  

Coarse crystalline Galena, a representative specimen from this locality. Probably argentiferous.


Galena

Formula
PbS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
light lead gray, dark lead gray 
Streak
grayish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Galena
On Dakota Matrix
Previously Sold Galena
On Dakota Matrix
Other Available Galena
WebMineral
View Galena
Mindat
View Galena
Galena - AH65897
Galena - AH65897

Galena

#AH65897
Locality
Revenue mine, Sneffels dist., Ouray Co., Colorado, United States 
Formula
PbS 
Availability
Available
Price
$35.00
Size
10 x 4.5 x 5 cm - Cabinet 
Tagged
ore mineral , sulfide  

Large chunk of fine to coarse-grain Galena with minor Silver on the Quartz. A good reprentative specimen. Probably argentiferous. 


Galena

Formula
PbS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
light lead gray, dark lead gray 
Streak
grayish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Galena
On Dakota Matrix
Previously Sold Galena
On Dakota Matrix
Other Available Galena
WebMineral
View Galena
Mindat
View Galena
SOLD
Graphite - 42911
Graphite - 42911

Graphite

#42911
Locality
Bogala mine, Sabaragamuwa Prov., Sri Lanka 
Formula
C 
Availability
Sold
Size
8 x 6 x 3 cm - Sm Cabinet 
Tagged
ore mineral , native element  

This is an impressive LARGE specimen of lightweight, greasy feeling Graphite ore.

Graphite is used in brake linings, lubricants, and steelmaking. The USA did not produce any graphite in 2014 according to the USGS Commodity report. North America only produced 2% of the world's Graphite from Mexico and Canada. The U.S. imported natural Graphite from Mexico, China, Canada, Brazil, and Madagascar. Sri Lanka provided "lump" Graphite like this specimen. China produced 67% of the world's Graphite.


Graphite

Formula
C 
Crystal System
Hexagonal 
Crystal Habit
Foliated, Tabular, Earthy 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
iron black, dark gray, black, steel gray 
Streak
black 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Sectile 
Hardness
1.5-2 
Mineralpedia
View Graphite
On Dakota Matrix
Previously Sold Graphite
On Dakota Matrix
Other Available Graphite
WebMineral
View Graphite
Mindat
View Graphite
SOLD
Guettardite - 63971
Guettardite - 63971

Guettardite

#63971
Locality
Brobdignag mine, Red Mtn. dist., San Juan Co., Colorado, United States 
Formula
Pb(Sb,As)2S4 
Availability
Sold
Size
6 x 3.5 x 3 cm - Sm Cabinet 
Tagged
ore mineral , sulfide  

A smaller specimen of rare Guettardite, an ore of lead.


Guettardite

Formula
Pb(Sb,As)2S4 
Crystal System
Monoclinic 
Crystal Habit
Acicular, Anhedral Grains 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
grayish black 
Streak
brownish 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
4 
Collection
Arnold G Hampson Collection
On Dakota Matrix
Previously Sold Guettardite
On Dakota Matrix
Other Available Guettardite
WebMineral
View Guettardite
Mindat
View Guettardite
SOLD
Guettardite - AH63973
Guettardite - AH63973

Guettardite

#AH63973
Locality
Brobdignag mine, Red Mtn. dist., San Juan Co., Colorado, United States 
Formula
Pb(Sb,As)2S4 
Availability
Sold
Size
9 x 5 x 4.5 cm - Sm Cabinet 

An impressive chunk of this rare sulfosalt. It is massive and has a very strange luster for a metallic mineral. Collected in 1977 by Hampson. The mine is at 14,000ft.


Guettardite

Formula
Pb(Sb,As)2S4 
Crystal System
Monoclinic 
Crystal Habit
Acicular, Anhedral Grains 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
grayish black 
Streak
brownish 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
4 
Collection
Arnold G Hampson Collection
On Dakota Matrix
Previously Sold Guettardite
On Dakota Matrix
Other Available Guettardite
WebMineral
View Guettardite
Mindat
View Guettardite

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