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Rare and Antique

Friday, 27 September 2024 06:00 PM

Introducing the "Rare and Antique" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including sklodowskite, stephanite, stromeyerite, tantalite-(fe), tiemannite, and tremolite and more from places like Shinkolobwe, Katanga, Democratic Republic of Congo, Virginia City, Storey Co., Nevada, United States, Campbell Shaft, Bisbee, Cochise Co., Arizona, United States, Kabarabara, Rwanda, Marysvale, Piute Co., Utah, United States, and Balmat, St. Lawrence Co., New York, United States.

SOLD

Sklodowskite - DC64718

Sklodowskite - DC64718

Sklodowskite

#DC64718

Details
Data
Provenance
Resources

Locality: Shinkolobwe, Katanga, Democratic Republic of Congo
Formula: Mg(UO₂)₂(SiO₃OH)₂·6H₂O
Availability: Sold
Size: 5 x 3.3 x 3.5 cm - Miniature
Special Info: Radioactive!!

Beautiful prismatic yellow crystals to 1mm in vugs.

Sklodowskite

Formula: Mg(UO₂)₂(SiO₃OH)₂·6H₂O
Crystal System: Monoclinic
Crystal Habit: Prismatic
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: greenish yellow, light yellow
Streak: yellow white
Class: Monoclinic - Prismatic
Fracture: Brittle
Hardness: 2-3

Collection: Don Cooke Collection
Special Info: Radioactive!!

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

SOLD

Stephanite - 64602

Stephanite - 64602

Stephanite

#64602

Details
Data
Provenance
Resources

Locality: Virginia City, Storey Co., Nevada, United States
Formula: Ag₅SbS₄
Availability: Sold
Size: 8.5 x 8.5 x 5 cm - Sm Cabinet
Tagged: sulfide , silver
Special Info: Antique Specimen

Mostly massive Stephanite with a small pocket of Quartz crystals and tiny Stephanite grains. It is great locality to have with an old label.

Stephanite

Formula: Ag₅SbS₄
Crystal System: Orthorhombic
Crystal Habit: Pseudo Hexagonal, Tabular, Massive
Cleavage: Imperfect, Poor, None
Luster: Metallic
Color: lead gray, black
Streak: black
Class: Orthorhombic - Pyramidal
Fracture: Sub Conchoidal
Hardness: 2-2.5

Special Info: Antique Specimen

Stephanite - 64602

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

SOLD

Stromeyerite - 64545

Stromeyerite - 64545

Stromeyerite

with Bornite - #64545

Details
Data
Provenance
Resources

Locality: Campbell Shaft, Bisbee, Cochise Co., Arizona, United States
Formula: CuAgS
Availability: Sold
Size: 3 x 2.3 x 1 cm - Thumbnail
Tagged: sulfide , copper , silver
Special Info: Antique Specimen

Bluish iridescent Stromeyerite.

Stromeyerite

Formula: CuAgS
Crystal System: Orthorhombic
Crystal Habit: Granular, Massive, Pseudo Hexagonal
Cleavage: None, None, None
Luster: Metallic
Color: blue gray, dark blue, dark steel gray, steel gray
Streak: steel gray
Class: Orthorhombic - Dipyramidal
Fracture: Conchoidal
Hardness: 2.5-3

Special Info: Antique Specimen

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

Tantalite-(Fe) - 64707

Tantalite-(Fe) - 64707

Tantalite-(Fe)

#64707

$50.00 - Available
Details
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Details
Data
Provenance
Resources

Locality: Kabarabara, Rwanda
Formula: Fe²⁺Ta₂O₆
Availability: Available
Price: $50.00
Size: 2 x 2.2 x 1.5 cm - Thumbnail

Not the best crystal, rather a crystal with etched surfaces.

Tantalite-(Fe)

Formula: Fe²⁺Ta₂O₆
Crystal System: Orthorhombic
Cleavage: Distinct, None, None
Luster: Sub Metallic
Color: brownish black, black
Streak: black brown
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 6-6.5

On Dakota Matrix: Previously Sold Tantalite-(Fe)
On Dakota Matrix: Other Available Tantalite-(Fe)
WebMineral: View Tantalite-(Fe)
Mindat: View Tantalite-(Fe)

SOLD

Tiemannite - 64579

Tiemannite - 64579

Tiemannite

#64579

Details
Data
Provenance
Resources

Locality: Marysvale, Piute Co., Utah, United States
Formula: HgSe
Availability: Sold
Size: 4.5 x 3 x 3 cm - Miniature
Tagged: selenium
Special Info: Antique Specimen

Sparkling, metallic bluish-black tiny 0.3mm crystals with good coverage. Choice specimen with an old label.

Tiemannite

Formula: HgSe
Crystal System: Isometric
Crystal Habit: Euhedral Crystals, Massive - Granular
Cleavage: None, None, None
Luster: Metallic
Color: gray, reddish brown, black
Streak: grayish black
Class: Isometric - Hextetrahedral
Fracture: Brittle
Hardness: 2.5

Special Info: Antique Specimen

Tiemannite - 64579

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

SOLD

Tremolite - 64591

Tremolite - 64591

Tremolite

var. hexagonite - #64591

Details
Data
Provenance
Resources

Locality: Balmat, St. Lawrence Co., New York, United States
Formula: □Ca₂Mg₅Si₈O₂₂(OH)₂
Availability: Sold
Size: 9 x 7 x 4 cm - Sm Cabinet
Special Info: Antique Specimen

Beautiful lilac purple Tremolite, originally named "hexagonite".

Tremolite

Formula: [box]Ca₂Mg₅Si₈O₂₂(OH)₂
Crystal System: Monoclinic
Crystal Habit: Columnar, Massive - Fibrous, Massive - Granular
Cleavage: Perfect, Distinct, None
Luster: Vitreous - Pearly
Color: brown, colorless, gray, white, light green
Streak: white
Class: Monoclinic - Prismatic
Fracture: Sub Conchoidal
Hardness: 5-6

Special Info: Antique Specimen

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

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