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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 domeykite, enargite, galena and more from places like Mohawk mine, Keweenaw Co., Michigan, United States, National Belle mine, Red Mountain, Ouray Co., Colorado, United States, Longfellow mine, Red Mountain, San Juan Co., Colorado, United States, Revenue mine, Sneffels dist., Ouray Co., Colorado, United States, Gilman, Eagle Co., Colorado, United States, and Mineral Park mine, Alma dist., Park Co., Colorado, United States.

SOLD

Domeykite

with Nickeline - #65895

Details
Data
Provenance
Resources

Locality: Mohawk mine, Keweenaw Co., Michigan, United States
Formula: Cu₃As
Availability: Sold
Size: 5.5 x 5.5 x 5 cm - Sm Cabinet
Tagged: copper

Heavy mass of arsenides and it's hard to discern them without the aid of an EDS and XRD. Mostly though seems to be some brassy Nickeline and whiteish gray Domeykite. It's a good specimen as large as it is and green and blue alterations.

Domeykite

Formula: Cu₃As
Crystal System: Isometric
Crystal Habit: Botryoidal, Reniform, Massive
Cleavage: None, None, None
Luster: Metallic
Color: gray, yellow brown, silver white, tin white
Streak: black gray
Class: Isometric - Hextetrahedral
Fracture: Brittle - Sectile
Hardness: 3-3.5

On Dakota Matrix: Previously Sold Domeykite
On Dakota Matrix: Other Available Domeykite
WebMineral: View Domeykite
Mindat: View Domeykite

SOLD

Enargite

#AH65769

Details
Data
Provenance
Resources

Locality: National Belle mine, Red Mountain, Ouray Co., Colorado, United States
Formula: Cu₃AsS₄
Availability: Sold
Size: 11 x 9 x 5 cm - Cabinet
Tagged: ore mineral , sulfide , copper

Sulfide specimen of Pyrite and numerous Enargite crystals to 3mm.

Enargite

Formula: Cu₃AsS₄
Crystal System: Orthorhombic
Crystal Habit: Euhedral Crystals, Massive - Granular, Prismatic
Cleavage: Perfect, Distinct, Distinct
Luster: Metallic
Color: steel gray, blackish gray, violet black
Streak: black
Class: Orthorhombic - Pyramidal
Fracture: Uneven
Hardness: 3

Collection: Arnold G Hampson Collection

Mineralpedia: View Enargite
On Dakota Matrix: Previously Sold Enargite
On Dakota Matrix: Other Available Enargite
WebMineral: View Enargite
Mindat: View Enargite

SOLD

Enargite

with Fluorite - #AH65784

Details
Data
Provenance
Resources

Locality: Longfellow mine, Red Mountain, San Juan Co., Colorado, United States
Formula: Cu₃AsS₄
Availability: Sold
Size: 8 x 6 x 5 cm - Sm Cabinet
Tagged: sulfide , copper , ore specimen

Mostly Pyrite but has nice Enargite crystals to 2mm with some purple Fluorite.

Enargite

Formula: Cu₃AsS₄
Crystal System: Orthorhombic
Crystal Habit: Euhedral Crystals, Massive - Granular, Prismatic
Cleavage: Perfect, Distinct, Distinct
Luster: Metallic
Color: steel gray, blackish gray, violet black
Streak: black
Class: Orthorhombic - Pyramidal
Fracture: Uneven
Hardness: 3

Collection: Arnold G Hampson Collection

Mineralpedia: View Enargite
On Dakota Matrix: Previously Sold Enargite
On Dakota Matrix: Other Available Enargite
WebMineral: View Enargite
Mindat: View Enargite

Galena

in Quartz with Pyrite - #AH65781

$50.00 - Available
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Details
Data
Provenance
Resources

Locality: Revenue mine, Sneffels dist., Ouray Co., Colorado, United States
Formula: PbS
Availability: Available
Price: $50.00
Size: 9 x 7 x 5 cm - Sm Cabinet
Tagged: ore mineral , sulfide

This specimen is an excellent example of crustiform structure of Quartz and Galena/Pyrite veins in multiple layers showing either all Galena or all Quartz, but one layer Galena and Quartz. It's an excellent specimen for showing a type of vein ore.