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Mixed and Rare Minerals

Sunday, 11 February 2024 06:00 PM

Introducing the "Mixed and Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including sphalerite, stilbite, titantaramellite, vikingite, and vladimirite and more from places like Elmwood mine, Smith Co., Tennessee, United States, Sakur, Ahmadnagar dist., Maharashtra, India, Pune dist., Maharashtra, India, Esquire #8 claim, Big Creek, Fresno Co., California, United States, Kaňk, Kutná Hora, Bohemia, Czech Republic, and Ait Ahmane, Bou Azzer dist., Morocco.

Sphalerite

#AH62980
Locality
Elmwood mine, Smith Co., Tennessee, United States 
Formula
ZnS 
Availability
Available
Price
$125.00
Size
12 x 10.5 x 4 cm - Cabinet 
Tagged
sulfide  

A large plate of super lustrous dark red (appearing black in-hand) crystals to over 1.5cm on limestone matrix with white Dolomite crystals. Impressive beautiful specimen. 


Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection

Stilbite

with Fluorapophyllite - #AH62964
Locality
Sakur, Ahmadnagar dist., Maharashtra, India 
Formula
Na9(Si27Al9)O72·28H2
Availability
Available
Price
$50.00
Size
7.5 x 4 x 3.5 cm - Sm Cabinet 

A pink bow-tie crystal group of Stilbite with an excellent gemmy light green crystal of Fluorapophyllite to 1.8cm.


Stilbite

Collection
Arnold G Hampson Collection
Mineralpedia
View Stilbite-Ca
On Dakota Matrix
Previously Sold Stilbite
On Dakota Matrix
Other Available Stilbite
WebMineral
View Stilbite
Mindat
View Stilbite

Stilbite

#AH62983
Locality
Pune dist., Maharashtra, India 
Formula
NaCa4(Si27Al9)O72·28H2
Availability
Available
Price
$60.00
Size
8 x 7.5 x 5 cm - Sm Cabinet 

Nice arrangement of pale pink Stilbite crystals grouped in a 4 x 3cm group and nice little bladed crystals to 1.5cm. Sits well with no damage.


Stilbite

Collection
Arnold G Hampson Collection
Mineralpedia
View Stilbite-Ca
On Dakota Matrix
Previously Sold Stilbite
On Dakota Matrix
Other Available Stilbite
WebMineral
View Stilbite
Mindat
View Stilbite

Titantaramellite

#REW60331
Locality
Esquire #8 claim, Big Creek, Fresno Co., California, United States 
Formula
Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx 
Availability
Sold
Size
13.6 x 8 x 3 cm - Cabinet 
Tagged
Ba Silicates , barium  

Large filthy rich specimen with interlocked prismatic crystals of Titantaramellite to 1cm. Excellent specimen. It is named for a professor of geology, Dr. Taramelli with a prefix added for the titanium end-member of the series Taramellite - Titantaramellite.


Titantaramellite

Formula
Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Anhedral Grains 
Cleavage
Perfect, None, None 
Color
bronze brown, purple red 
Class
Orthorhombic - Dipyramidal 
Hardness
5.5-6 
Collection
Robert E. Walstrom collection

Vikingite

with Gustavite - #KR62018
Locality
Kaňk, Kutná Hora, Bohemia, Czech Republic 
Formula
Ag5Pb8Bi13S30 
Availability
Sold
Size
3.2 x 2 x 2.2 cm - Miniature 
Tagged
sulfide , silver  

Silvery grey metallic masses of two uncommon silver sulfide minerals with the same elemental composition to which both are indistinguishable. 


Vikingite

Formula
Ag5Pb8Bi13S30 
Crystal System
Monoclinic 
Crystal Habit
Microscopic Crystals, Lamellar, Twinning Common 
Luster
Metallic 
Color
gray 
Class
Monoclinic - Prismatic 
Hardness
3.5 
Collection
Kenneth Raabe Collection

Vladimirite

#BAC63259
Locality
Ait Ahmane, Bou Azzer dist., Morocco 
Formula
Ca5(AsO4)2(AsO3OH)2·5H2
Availability
Sold
Size
3 x 2 x 1.5 cm - Thumbnail 
Tagged
arsenate  

Snow white radiating sprays of rare Vladimirite from 1 to 3mm.


Vladimirite

Formula
Ca5(AsO4)2(AsO3OH)2·5H2
Crystal System
Monoclinic 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white, light pink 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
3.5 
Collection
William & Anne Cook Collection

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