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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 achyrophanite, arsenopyrite, bismuth, bismuthinite, bournonite, and calaverite and more from places like Tolbachik Volcano, Kamchatka, Russia, Freiberg dist., Erzgebirge, Saxony, Germany, Bastnäs mines, Riddarhyttan, Västmanland, Sweden, Johanngeorgenstadt, Erzgebirge, Saxony, Germany, Rochna,Transylvania, Romania, and Mogul of Prince Albert mine, Cripple Creek, Teller Co., Colorado, United States.

SOLD

Achyrophanite

#63641

Details
Data
Provenance
Resources

Locality: Tolbachik Volcano, Kamchatka, Russia
Formula: (K,Na)₃(Fe³⁺,Ti,Al,Mg)₅O₂(AsO₄)₅
Availability: Sold
Size: 3 x 1.5 x 1.5 cm - Thumbnail
Special Info: XRD Confirmed
Special Info: EDS Confirmed
Special Info: Type & Only Locality

Very rich specimen loaded with yellowish brown to colorless crystals in cavaties of scoria from the Tolbachik. This is a specimen from the research collection of Dr. Igor Pekov, when he described the mineral. This is the only worldwide locality.

The more exact locality is:

Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough), Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

Achyrophanite

Special Info: XRD Confirmed
Special Info: EDS Confirmed
Special Info: Type & Only Locality

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

Arsenopyrite

#64575

$50.00 - Available
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Details
Data
Provenance
Resources

Locality: Freiberg dist., Erzgebirge, Saxony, Germany
Formula: FeAsS
Availability: Available
Price: $50.00
Size: 3 x 3 x 1.5 cm - Thumbnail
Tagged: sulfide
Special Info: Antique Specimen

Cluster of Arsenopyrite crystals to 6mm with Quartz. Old specimen deaccessioned by the A.E. Seamun Museum.

Arsenopyrite

Formula: FeAsS
Crystal System: Monoclinic
Crystal Habit: Striated, Euhedral Crystals, Prismatic
Cleavage: one distinct
Luster: Metallic
Color: tin white, light steel gray
Streak: black
Geological Setting: Widespread. Most commonly found in medium to high temperature veins.
Class: Monoclinic - Prismatic
Fracture: Brittle
Hardness: 5.5 to 6

Special Info: Antique Specimen

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

SOLD

Bismuth

with Chalcopyrite - #64574

Details
Data
Provenance
Resources

Locality: Bastnäs mines, Riddarhyttan, Västmanland, Sweden
Formula: Bi
Availability: Sold
Size: 6 x 3.8 x 3.7 cm - Sm Cabinet
Tagged: native element
Special Info: Antique Specimen

Very, very nice specimen richly covered by native Bismuth crystals to 8mm. Deaccessioned by the A. E. Seaman Museum. The color is much better in-hand.

Bismuth

Formula: Bi
Crystal System: Trigonal
Crystal Habit: Platy, Lamellar, Granular
Cleavage: Perfect, None, None
Luster: Metallic
Color: silver white, pinkish white, red
Streak: silver white
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Uneven
Hardness: 2-2.5

Special Info: Antique Specimen

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

SOLD

Bismuthinite

#64594

Details
Data
Provenance
Resources

Locality: Johanngeorgenstadt, Erzgebirge, Saxony, Germany
Formula: Bi₂S₃
Availability: Sold
Size: 3.4 x 3 x 1.2 cm - Miniature
Tagged: sulfide
Special Info: Antique Specimen

Thin needles of Bismuthinite to an amazing 1.2cm.

Bismuthinite

Formula: Bi₂S₃
Crystal System: Orthorhombic
Crystal Habit: Prismatic, Massive - Lamellar, Granular
Cleavage: Perfect, None, None
Luster: Metallic
Color: gray, silver white, tin white
Streak: gray
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Sectile
Hardness: 2

Special Info: Antique Specimen

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

SOLD

Bournonite

#64534

Details
Data
Provenance
Resources

Locality: Rochna,Transylvania, Romania
Formula: CuPbSbS₃
Availability: Sold
Size: 6 x 5 x 2.5 cm - Sm Cabinet
Tagged: sulfide , copper
Special Info: Antique Specimen

One large 1.2cm crystal and numerous smaller showing cogwheel twinning. It is associated with Sphalerite and Pyrite.

Bournonite

Formula: CuPbSbS₃
Crystal System: Orthorhombic
Crystal Habit: Platy, Pseudo Cubic, Cog-wheel
Cleavage: Imperfect, None, None
Luster: Metallic
Color: gray, black, steel gray
Streak: gray
Class: Orthorhombic - Dipyramidal
Fracture: Sub Conchoidal
Hardness: 3

Special Info: Antique Specimen

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

Calaverite

#AH57067

$225.00 - Available
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Details
Data
Provenance
Resources

Locality: Mogul of Prince Albert mine, Cripple Creek, Teller Co., Colorado, United States
Formula: AuTe₂
Availability: Available
Price: $225.00
Size: 6.5 x 4 x 3 cm - Sm Cabinet
Tagged: tellurium , gold

Superb crystals of prismatic Calaverite to 2mm in vugs. Choice specimen with several crystals, minor tiny Gold specks, and perhaps also some Sylvanite as silvery crystals throughout monzonite matrix.

Calaverite

Formula: AuTe₂
Crystal System: Monoclinic
Crystal Habit: Striated, Massive, Crystalline - Fine
Cleavage: None, None, None
Luster: Metallic
Color: yellow, yellowish white
Streak: green
Class: Monoclinic - Prismatic
Fracture: Brittle - Conchoidal
Hardness: 2.5

Collection: Arnold G Hampson Collection

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

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