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0 item @ $0.00  

Mixed Fine and Rare Minerals

Friday, 19 March 2021 07:00 PM

Introducing the "Mixed Fine and Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including shattuckite, soddyite, tarbuttite, thorianite, topaz, and valleriite and more from places like Ajo, Pima Co., Arizona, United States, Musonoi mine, Kolwezi, Shaba Cu belt, Democratic Republic of Congo, Kabwe mine, Broken Hill, Kabwe dist., Central Province, Zambia, Betroka dist., Anosy, Tuléar prov., Madagascar, Tepetates, San Luis Potosi, Mexico, and Oktyabr'skoe Cu-Ni deposit, Talnakh, Noril'sk, Siberia, Russia.

Shattuckite

#55409
Locality
Ajo, Pima Co., Arizona, United States 
Formula
Cu5(SiO3)4(OH)2 
Availability
Sold
Size
4 x 4.5 x 3 cm - Miniature 
Tagged
copper  

Deep blue compact grains throughout the mass. It lacks the nice radial fibrous crystals however. The light blue is probably Plancheite.


Shattuckite

Formula
Cu5(SiO3)4(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Granular, Fibrous 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
blue, dark blue, green 
Streak
pale blue 
Class
Orthorhombic - Dipyramidal 
Hardness

Soddyite

wuth Uraninite - #AH55376
Locality
Musonoi mine, Kolwezi, Shaba Cu belt, Democratic Republic of Congo 
Formula
(UO2)2SiO4·2H2
Availability
Sold
Size
4.5 x 3.5 x 3.5 cm - Miniature 

All the yellow is Soddyite and the black is the Uraninite. Portions of the green is Torbernite. Some of the green I cannot ID, but i think it is Torbernite also just compact.


Soddyite

Formula
(UO2)2SiO4·2H2
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Striated, Pyramidal 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
yellow, canary yellow, yellowish green, yellow 
Streak
yellow 
Class
Orthorhombic - Dipyramidal 
Hardness
3-4 
Collection
Arnold G Hampson Collection
Mineralpedia
View Soddyite
On Dakota Matrix
Previously Sold Soddyite
On Dakota Matrix
Other Available Soddyite
WebMineral
View Soddyite
Mindat
View Soddyite

Tarbuttite

#55410
Locality
Kabwe mine, Broken Hill, Kabwe dist., Central Province, Zambia 
Formula
Zn2(PO4)(OH) 
Availability
Sold
Size
9.5 x 4 x 4.5 cm - Cabinet 
Tagged
phosphate  
Special Info
Type Locality 

Excellent 1-2mm colorless crystals of Tarbuttite. Great specimen. Probably the best locality in the world for this species. The piece would rank right up there.


Tarbuttite

Formula
Zn2(PO4)(OH) 
Crystal System
Triclinic 
Crystal Habit
Wheat Sheaf, Striated, Prismatic 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
brown, colorless, green, white, light yellow 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle - Uneven 
Hardness
Special Info
Type Locality

Thorianite

#WR55402
Locality
Betroka dist., Anosy, Tuléar prov., Madagascar 
Formula
ThO2 
Availability
Sold
Size
1.3 x 1.1 x 1.0 cm - Thumbnail 
Special Info
Radioactive!! 

For Thorianite this is a large crystal, cubic, dull black with a few octahedral faces on some of the corners.


Thorianite

Formula
ThO2 
Crystal System
Isometric 
Crystal Habit
Pseudo Hexagonal, Granular 
Cleavage
Imperfect, Imperfect, Imperfect 
Luster
Metallic 
Color
brownish black, green, green black, gray green, yellow 
Streak
greenish gray 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Willard L. Roberts Collection
Special Info
Radioactive!!

Topaz

#WR55405
Locality
Tepetates, San Luis Potosi, Mexico 
Formula
Al2SiO4F2 
Availability
Available
Price
$95.00
Size
1.3 x 1.6 x 2.2 cm - Thumbnail 

A beautiful dark sherry colored terminated crystals. It's a thumbnail with a bit of matrix and good luster.


Topaz

Formula
Al2SiO4F2 
Crystal System
Orthorhombic 
Crystal Habit
Crystalline - Coarse, Prismatic, Massive - Granular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, pale blue, yellow, yellowish brown, red 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
Collection
Willard L. Roberts Collection
Mineralpedia
View Topaz
On Dakota Matrix
Previously Sold Topaz
On Dakota Matrix
Other Available Topaz
WebMineral
View Topaz
Mindat
View Topaz

Valleriite

#55377
Locality
Oktyabr'skoe Cu-Ni deposit, Talnakh, Noril'sk, Siberia, Russia 
Formula
2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2
Availability
Sold
Size
2.5 x 1 x 0.6 cm - Thumbnail 

Small specimen of this rare sulfide with a goldish hue.


Valleriite

Formula
2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2
Crystal System
Trigonal 
Crystal Habit
Massive, Nodular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
bronze, gray 
Class
Trigonal - Hexagonal Scalenohedral 
Hardness
1-1.5 

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