Ore Minerals 6

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Alabandite

#RW50100

Details
Data
Provenance
Resources

Locality: Uchucchacua mine, Oyon prov., Lima dept., Peru
Formula: Mn²⁺S
Availability: Sold
Size: 6 x 4 x 3 cm - Sm Cabinet
Tagged: ore mineral , sulfide

Alabandite is not the typical manganese ore. It usually does not occur in minable quantities. However, Alabandite may be in large quantities in epithermal polymetallic sulfide vein and also especially in low-temperature manganese deposits.

This specimen contains partial dull black crystals to 1.4cm.

Alabandite

Formula: Mn²⁺S
Crystal System: Isometric
Crystal Habit: Massive - Granular, Disseminated, Granular
Cleavage: Perfect, Perfect, Perfect
Luster: Sub Metallic
Color: black, lead gray, brownish gray
Streak: dark green
Class: Isometric - Hexoctahedral
Fracture: Uneven
Hardness: 3.5-4

Collection: Robert J. Waidler Collection

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

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Bismuth

#PD50163

Details
Data
Provenance
Resources

Locality: Cobalt-Gowganda dist., Ontario, Canada
Formula: Bi
Availability: Sold
Size: 6.5 x 5.5 x 4 cm - Sm Cabinet
Tagged: ore mineral , native element

Heavy mass compact crystals of Bismuth to 1mm or less throughout. Excellent rich specimen containing about 60% Bismuth.

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

Collection: Don Phillips Collection

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

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Bixbyite

#RW47705

Details
Data
Provenance
Resources

Locality: Wessels mine, Hotazel, Kalahari Mn fields, Northern Cape Province, South Africa
Formula: Mn³⁺₂O₃
Availability: Sold
Size: 5 x 4 x 3 cm - Miniature
Tagged: ore mineral

This is a small chuck of shiny black and brittle Bixbyite, an ore of Manganese.

Bixbyite

Formula: Mn³⁺₂O₃
Crystal System: Isometric
Crystal Habit: Crystalline - Fine, Massive - Granular
Cleavage: Imperfect, Imperfect, Imperfect
Luster: Metallic
Color: black
Streak: black
Class: Isometric - Diploidal
Fracture: Uneven
Hardness: 6-6.5

Collection: Robert J. Waidler Collection

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

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Bornite

#RW50101

Details
Data
Provenance
Resources

Locality: Leonard mine, Butte dist., Silver Bow Co., Montana, United States
Formula: Cu₅FeS₄
Availability: Sold
Size: 7 x 6 x 5 cm - Sm Cabinet
Tagged: ore mineral , sulfide , copper

Almost always massive. Fresh is copper red to pinchbeck brown tarnishing to a purple iridescence. This specimen is a chunk of sulfide Bornite ore.

Bornite

Formula: Cu₅FeS₄
Crystal System: Orthorhombic
Crystal Habit: Massive - Granular, Reniform, Granular
Cleavage: Imperfect, None, None
Luster: Metallic
Color: copper red, bronze brown, purple
Streak: grayish black
Class: Orthorhombic - Dipyramidal
Fracture: Conchoidal
Hardness: 3

Collection: Robert J. Waidler Collection

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

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Bornite

with Chalcopyrite - #RW50102

Details
Data
Provenance
Resources

Locality: Magma mine, Pinal Co., Arizona, United States
Formula: Cu₅FeS₄
Availability: Sold
Size: 9 x 5 x 6 cm - Sm Cabinet
Tagged: ore mineral , sulfide , copper

Bornite is an important ore of Copper. It contains 63.3% copper. It is a common and widespread hydrothermal mineral.

This specimen is a fantastic chunk of pure Bornite with a beautiful metallic violet color.

Bornite

Formula: Cu₅FeS₄
Crystal System: Orthorhombic
Crystal Habit: Massive - Granular, Reniform, Granular
Cleavage: Imperfect, None, None
Luster: Metallic
Color: copper red, bronze brown, purple
Streak: grayish black
Class: Orthorhombic - Dipyramidal
Fracture: Conchoidal
Hardness: 3

Collection: Robert J. Waidler Collection

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

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Bornite

with Pyrite - #DH50105

Details
Data
Provenance
Resources

Locality: Flambeau mine, Ladysmith, Rusk Co., Wisconsin, United States
Formula: Cu₅FeS₄
Availability: Sold
Size: 7 x 5.5 x 3 cm - Sm Cabinet
Tagged: ore mineral , sulfide , copper

A chunk of dark violet purplish, massive Bornite with small Pyrite crystals throughout.

Bornite

Formula: Cu₅FeS₄
Crystal System: Orthorhombic
Crystal Habit: Massive - Granular, Reniform, Granular
Cleavage: Imperfect, None, None
Luster: Metallic
Color: copper red, bronze brown, purple
Streak: grayish black
Class: Orthorhombic - Dipyramidal
Fracture: Conchoidal
Hardness: 3

Collection: Dr. David Hess Collection

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

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