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Mixed Minerals

Friday, 22 January 2021 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including ajoite, atacamite, beryl, churchite-(y), elbaite, and fluorapatite and more from places like New Cornelia mine, Ajo Dist., Pima Co., Arizona, United States, Mt. Gunson mine, Pernatty Lagoon, South Australia, Australia, Mt Xuebaoding, Pingwu Co., Mianyang, Sichuan prov., China, Vesuvius mine, Augusta Co., Virginia, United States, Stewart mine, Pala dist., San Diego Co., California, United States, and Rapid Creek, Yukon Territory, Canada.

SOLD

Ajoite

#AH54871

Details
Data
Provenance
Resources

Locality: New Cornelia mine, Ajo Dist., Pima Co., Arizona, United States
Formula: Na₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O
Availability: Sold
Size: 8 x 5 x 7 cm - Sm Cabinet
Tagged: copper

Larger specimen with aqua bluish fibrous looking Ajoite crystals.

Ajoite

Formula: Na₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O
Crystal System: Triclinic
Crystal Habit: Massive, Lath, Platy
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: blue green
Streak: greenish white
Class: Triclinic - Pinacoidal
Hardness: -

Collection: Arnold G Hampson Collection

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

SOLD

Atacamite

#AH54984

Details
Data
Provenance
Resources

Locality: Mt. Gunson mine, Pernatty Lagoon, South Australia, Australia
Formula: Cu₂Cl(OH)₃
Availability: Sold
Size: 9.5 x 7 x 4 cm - Cabinet
Tagged: copper

Larger specimen of green to dark green tabular crystals to 3mm.

Atacamite

Formula: Cu₂Cl(OH)₃
Crystal System: Orthorhombic
Crystal Habit: Euhedral Crystals, Fibrous, Granular
Cleavage: Perfect, None, None
Luster: Adamantine
Color: green, yellow, yellow green, black green
Streak: apple green
Class: Orthorhombic - Dipyramidal
Fracture: Conchoidal
Hardness: 3-3.5

Collection: Arnold G Hampson Collection

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

Beryl

var. aquamarine - #54951

$75.00 - Available
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Details
Data
Provenance
Resources

Locality: Mt Xuebaoding, Pingwu Co., Mianyang, Sichuan prov., China
Formula: Be₃Al₂Si₆O₁₈
Availability: Available
Price: $75.00
Size: 6.5 x 6 x 4 cm - Sm Cabinet
Tagged: beryllium , pegmatite mineral

A cluster of gemmy light green aquamarine crystals, the largest to 4cm across. There are five crystals all have well-developed faces and carry a good luster.

Beryl

Formula: Be₃Al₂Si₆O₁₈
Crystal System: Hexagonal
Crystal Habit: Crystalline - Coarse, Prismatic, Columnar
Cleavage: Imperfect, None, None
Luster: Vitreous - Resinous
Color: green, blue, yellow, colorless, pink
Streak: white
Class: Hexagonal - Dihexagonal Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 7.5-8

Collection: Arnold G Hampson Collection

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

SOLD

Churchite-(Y)

#AH54947

Details
Data
Provenance
Resources

Locality: Vesuvius mine, Augusta Co., Virginia, United States
Formula: YPO₄·2H₂O
Availability: Sold
Size: 6 x 6 x 5.5 cm - Sm Cabinet
Tagged: phosphate , REE mineral

Tiny 1mm or less radial white acicular crystals with good rich coverage. Excellent specimen.

Churchite-(Y)

Formula: YPO₄·2H₂O
Crystal System: Monoclinic
Crystal Habit: Platy, Acicular, Aggregates
Cleavage: Perfect, None, None
Luster: Vitreous - Pearly
Color: colorless, gray, snow white
Streak: white
Class: Monoclinic
Fracture: Conchoidal
Hardness: 3

Collection: Arnold G Hampson Collection

Mineralpedia: View Churchite-(Y)
On Dakota Matrix: Previously Sold Churchite-(Y)
On Dakota Matrix: Other Available Churchite-(Y)
WebMineral: View Churchite-(Y)
Mindat: View Churchite-(Y)

SOLD

Elbaite

var. rubellite in Lepidolite - #AH54986

Details
Data
Provenance
Resources

Locality: Stewart mine, Pala dist., San Diego Co., California, United States
Formula: Na(Al_1.5Li_1.5)Al₆(BO₃)₃Si₆O₁₈(OH)₄
Availability: Sold
Size: 8 x 5 x 5 cm - Sm Cabinet
Tagged: pegmatite mineral

Divergent groups of pink Elbaite, variety rubellite, to 3cm in Lepidolite. Collected in 1946 by Arnold Hampson.

Elbaite

Formula: Na(Al_1.5Li_1.5)Al₆(BO₃)₃Si₆O₁₈(OH)₄
Crystal System: Trigonal
Crystal Habit: Striated, Prismatic
Cleavage: Indistinct, None, None
Luster: Vitreous (Glassy)
Color: blue, colorless, green, yellow, white
Streak: white
Class: Trigonal - Ditrigonal Pyramidal
Fracture: Sub Conchoidal
Hardness: 7.5

Collection: Arnold G Hampson Collection

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

SOLD

Fluorapatite

with Augelite - #54972

Details
Data
Provenance
Resources

Locality: Rapid Creek, Yukon Territory, Canada
Formula: Ca₅(PO₄)₃F
Availability: Sold
Size: 5 x 4.5 x 3.5 cm - Miniature
Tagged: phosphate

Light purple, very nice, prismatic crystals to 3mm. The photos show a bit more purple than in hand, which is brought out under fluorescent lighting. The large light green crystal at the top is Augelite.

Fluorapatite

Formula: Ca₅(PO₄)₃F
Crystal System: Hexagonal
Crystal Habit: Massive - Granular, Euhedral Crystals
Cleavage: Indistinct, None, None
Luster: Vitreous - Resinous
Color: blue, brown, colorless, violet, green
Streak: white
Class: Hexagonal - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 5

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

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