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Mixed Minerals

Sunday, 15 November 2020 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including anglesite, aragonite, augite, azurite, baryte, and beraunite and more from places like Monteponi mine, Iglesias, Sardinia, Italy, Tsumeb mine, Tsumeb, Namibia, Halliburton Co., Ontario, Canada, Metcalf mine, Greenlee Co., Arizona, United States, near Norman, Cleveland Co., Oklahoma, United States, and York mine, Polk Co., Arkansas, United States.

Anglesite

on Galena - #52595

$350.00 - Available
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Locality: Monteponi mine, Iglesias, Sardinia, Italy
Formula: PbSO₄
Availability: Available
Price: $350.00
Size: 6 x 6 x 4.5 cm - Sm Cabinet
Special Info: Antique Specimen

A 1cm well-formed colorless crystal of Anglesite in a large pocket of Galena. There are numerous smaller crystals. This is a old specimen from the Earl Calvert collection and deaccestioned by the British Museum of Natural History. Old labels included and numbers on the specimen match to tags. See labels in prov. tab.

Anglesite

Formula: PbSO₄
Crystal System: Orthorhombic
Crystal Habit: Granular, Stalactitic
Cleavage: Good, Distinct, None
Luster: Adamantine
Color: blue, colorless, green, gray, yellow
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 2.5-3

Collection: Barbara Cureton Collection
Special Info: Antique Specimen

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

Aragonite

var. tarnowitzite with Malachite - #52593

$75.00 - Available
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Locality: Tsumeb mine, Tsumeb, Namibia
Formula: CaCO₃
Availability: Available
Price: $75.00
Size: 5 x 4 x 3.5 cm - Miniature
Tagged: carbonate

Yellowish clusters and crystals to 3cm with Malachite.

Aragonite

Formula: CaCO₃
Crystal System: Orthorhombic
Crystal Habit: Pseudo Hexagonal, Columnar, Fibrous
Cleavage: Distinct, None, None
Luster: Vitreous (Glassy)
Color: colorless, white, gray, yellowish white, reddish white
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Sub Conchoidal
Hardness: 3.5-4

Collection: Barbara Cureton Collection

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

SOLD

Augite

#52596

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Locality: Halliburton Co., Ontario, Canada
Formula: (Ca,Mg,Fe)₂(Si,Al)₂O₆
Availability: Sold
Size: 10 x 4 x 4 cm - Cabinet

Large impressive, well-formed light green and terminated crystal. Hard to find a bigger one of these guys!

Augite

Formula: (Ca,Mg,Fe)₂(Si,Al)₂O₆
Crystal System: Monoclinic
Crystal Habit: Massive - Fibrous, Columnar, Granular
Cleavage: Perfect, Indistinct, None
Luster: Vitreous - Resinous
Color: brown green, green, light brown, dark brown, black
Streak: greenish gray
Class: Monoclinic - Prismatic
Fracture: Brittle - Conchoidal
Hardness: 5-6.5

Collection: Barbara Cureton Collection

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

Azurite

with Malachite - #RW51235

$275.00 - Available
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Locality: Metcalf mine, Greenlee Co., Arizona, United States
Formula: Cu₃(CO₃)₂(OH)₂
Availability: Available
Price: $275.00
Size: 10.5 x 6.5 x 7 cm - Cabinet
Tagged: carbonate , copper

Stunning blue Azurite rosettes to 3mm in a large pocket of Malachite/Chrysocolla.

Azurite

Formula: Cu₃(CO₃)₂(OH)₂
Crystal System: Monoclinic
Crystal Habit: Tabular, Prismatic, Stalactitic
Cleavage: Perfect, Fair, None
Luster: Vitreous (Glassy)
Color: azure blue, blue, light blue, dark blue
Streak: light blue
Class: Monoclinic - Prismatic
Fracture: Brittle - Conchoidal
Hardness: 3.5-4

Collection: Robert J. Waidler Collection

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

Baryte

rose - #AH54537

$195.00 - Available
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Locality: near Norman, Cleveland Co., Oklahoma, United States
Formula: BaSO₄
Availability: Available
Price: $195.00
Size: 7.5 x 7 x 6.5 cm - Sm Cabinet

A large, well-defined Baryte rose, an American classic! I don't think these are collectable any longer. Everyone should have one!

Baryte

Formula: BaSO4
Crystal System: Orthorhombic
Crystal Habit: Tabular, Prismatic, Massive - Fibrous
Cleavage: Perfect, Perfect, Imperfect
Luster: Vitreous (Glassy)
Color: white, yellowish white, grayish white, brownish white, dark brown
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Uneven
Hardness: 3-3.5

Collection: Arnold G Hampson Collection

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

SOLD

Beraunite

with Kidwellite - #BN54502

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Locality: York mine, Polk Co., Arkansas, United States
Formula: Fe²⁺Fe³⁺₅(PO₄)₄(OH)₅·6H₂O
Availability: Sold
Size: 8 x 7 x 6 cm - Sm Cabinet
Tagged: phosphate

I'm not sure, but this is probably one of the better localities for Beraunite in the world. The crystals are great with a deep red color and are large to about 5mm.

Beraunite

Formula: Fe²⁺Fe³⁺₅(PO₄)₄(OH)₅·6H₂O
Crystal System: Monoclinic
Crystal Habit: Druse, Radial, Globular
Cleavage: Good, None, None
Luster: Vitreous - Dull
Color: green, greenish brown, gray green, dark greenish brown, dark red
Streak: green brown
Class: Monoclinic - Prismatic
Hardness: 2

Collection: Dr. Buford Nichols Collection

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

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