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0 item @ $0.00  

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.

Ajoite

#AH54871
Locality
New Cornelia mine, Ajo Dist., Pima Co., Arizona, United States 
Formula
Na3Cu2+20Al3Si29O76(OH)16·8H2
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)16·8H2
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
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Mindat
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Atacamite

#AH54984
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
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

Churchite-(Y)

#AH54947
Locality
Vesuvius mine, Augusta Co., Virginia, United States 
Formula
YPO4·2H2
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
YPO4·2H2
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
Collection
Arnold G Hampson Collection

Elbaite

var. rubellite in Lepidolite - #AH54986
Locality
Stewart mine, Pala dist., San Diego Co., California, United States 
Formula
Na(Al1.5Li1.5)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(Al1.5Li1.5)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

Fluorapatite

with Augelite - #54972
Locality
Rapid Creek, Yukon Territory, Canada 
Formula
Ca5(PO4)3
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)3
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

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