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Rare Minerals

Sunday, 15 January 2023 06:00 PM

Introducing the "Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including adamite, babingtonite, bementite, callaghanite, chalcanthite, and cuzticite and more from places like Mina Ojuela, Mapimi, Durango, Mexico, Qiaojia Co., Zhaotong, Yunnan prov., China, N'Chwaning mines, Kuruman, Northern Cape prov., South Africa, Basic Refractories mine, Gabbs, Nye Co., Nevada, United States, White Canyon dist., San Juan Co., Utah, United States, and Bambollita mine, Moctezuma, Sonora, Mexico.

SOLD

Adamite - 60556

Adamite - 60556

Adamite

(cuprian) - #60556

Details
Data
Provenance
Resources

Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Zn₂AsO₄(OH)
Availability: Sold
Size: 5 x 2.3 x 2 cm - Miniature
Tagged: arsenate

It's hard to find these cuprian Adamites these days. This one is good with good crystals to 5mm.

Adamite

Formula: Zn₂AsO₄(OH)
Crystal System: Orthorhombic
Crystal Habit: Tabular, Druse, Encrustations
Cleavage: One Good
Luster: Vitreous - Resinous
Color: yellow, green, violet, pink, yellowish green
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle
Hardness: 3.5

Collection: William & Anne Cook Collection

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

Babingtonite - 60722

Babingtonite - 60722

Babingtonite

on Prehnite - #60722

$45.00 - Available
Details
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Details
Data
Provenance
Resources

Locality: Qiaojia Co., Zhaotong, Yunnan prov., China
Formula: Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
Availability: Available
Price: $45.00
Size: 6.2 x 4.4 x 1 cm - Sm Cabinet

Large black blocky Babingtonite crystals on green Prehnite. The Babingtonite crystals range from micros to 1.8cm.

Babingtonite

Formula: Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
Crystal System: Triclinic
Crystal Habit: Druse, Radial
Cleavage: Perfect, Perfect, None
Luster: Vitreous (Glassy)
Color: brownish black, greenish black, black
Streak: brown
Class: Triclinic - Pinacoidal
Fracture: Conchoidal
Hardness: 5.5-6

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

SOLD

Bementite - BAC60571

Bementite - BAC60571

Bementite

#BAC60571

Details
Data
Provenance
Resources

Locality: N'Chwaning mines, Kuruman, Northern Cape prov., South Africa
Formula: Mn₇Si₆O₁₅(OH)₈
Availability: Sold
Size: 3 x 2 x 1.6 cm - Thumbnail

Pearly creamy light brown crystal plates across face.

Bementite

Formula: Mn₇Si₆O₁₅(OH)₈
Crystal System: Monoclinic
Crystal Habit: Massive, Radial
Cleavage: Perfect, Good, Good
Luster: Vitreous (Glassy)
Color: brown, gray, yellow, yellow brown, pink
Streak: yellow white
Class: Monoclinic - Prismatic
Hardness: 6

Collection: William & Anne Cook Collection

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

SOLD

Callaghanite - BAC60702

Callaghanite - BAC60702

Callaghanite

with Hydromagnesite - #BAC60702

Details
Data
Provenance
Resources

Locality: Basic Refractories mine, Gabbs, Nye Co., Nevada, United States
Formula: Cu₂Mg₂CO₃(OH)₆·2H₂O
Availability: Sold
Size: 4.5 x 3.5 x 2 cm - Miniature
Tagged: carbonate , copper
Special Info: Type Locality

Deep blue crystals to less than 0.5mm with white Hydromagnesite.

Callaghanite

Formula: Cu₂Mg₂CO₃(OH)₆·2H₂O
Crystal System: Monoclinic
Cleavage: Perfect, Perfect, None
Luster: Vitreous (Glassy)
Color: azure, violet blue
Streak: white
Class: Monoclinic - Prismatic
Fracture: Brittle - Uneven
Hardness: 3-3.5

Collection: William & Anne Cook Collection
Special Info: Type Locality

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

SOLD

Chalcanthite - AH54790

Chalcanthite - AH54790

Chalcanthite

#AH54790

Details
Data
Provenance
Resources

Locality: White Canyon dist., San Juan Co., Utah, United States
Formula: CuSO₄·5H₂O
Availability: Sold
Size: 7 x 7 x 1.5 cm - Sm Cabinet
Tagged: copper

Intense blue Chalcanthite in a vein 1cm thick.

Chalcanthite

Formula: CuSO₄·5H₂O
Crystal System: Triclinic
Crystal Habit: Encrustations, Stalactitic, Reniform
Cleavage: Imperfect, Indistinct, Indistinct
Luster: Vitreous (Glassy)
Color: green, green blue, light blue, dark blue
Streak: white
Class: Triclinic - Pinacoidal
Fracture: Conchoidal
Hardness: 2.5

Collection: Arnold G Hampson Collection

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

SOLD

Cuzticite - BAC60705

Cuzticite - BAC60705

Cuzticite

#BAC60705

Details
Data
Provenance
Resources

Locality: Bambollita mine, Moctezuma, Sonora, Mexico
Formula: Fe³⁺₂Te⁶⁺O₆·3H₂O
Availability: Sold
Size: 2.5 x 1.5 x 1 cm - Thumbnail
Tagged: tellurium
Special Info: Type Locality

Yellowish brown scales. Excalibur label.

Cuzticite

Formula: Fe³⁺₂Te⁶⁺O₆·3H₂O
Crystal System: Hexagonal
Crystal Habit: Encrustations, Scaly, Stalactitic
Cleavage: Good, None, None
Luster: Adamantine
Color: brown, brownish yellow, yellow
Class: Hexagonal
Hardness: 3

Collection: William & Anne Cook Collection
Special Info: Type Locality

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

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