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Recently Released New Additions

Mixed Minerals

Sunday, 19 February 2023 04:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including billingsleyite, gold, haiweeite, and topaz and more from places like Clara mine, Wolfach, Schwarzwald, Baden-Wurttemberg, Germany, Fire Creek mine, Lander Co., Nevada, United States, Teofilo Otoni, Minas Gerais, Southeast Region, Brazil, and Ouro Preto, Minas Gerais, Brazil.

Billingsleyite - 61076
Billingsleyite - 61076

Billingsleyite

#61076
Locality
Clara mine, Wolfach, Schwarzwald, Baden-Wurttemberg, Germany 
Formula
Ag7AsS6 
Availability
Available
Price
$195.00
Size
.9 x .6 x 1 cm - Thumbnail 
Tagged
sulfide , silver  

There are at least three individual crystals on this specimen. All are in the range of 0.1 to 0.2mm in size. Each are blocky and dull black and are associated with colorless Fluorite. Billingsleyite is a fairly rare mineral and is found at only 12 localities acrsos the world. 


Billingsleyite

Formula
Ag7AsS6 
Crystal System
Orthorhombic 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
lead gray 
Class
Orthorhombic - Disphenoidal 
Hardness
2.5 
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Gold - 61088
Gold - 61088

Gold

#61088
Locality
Fire Creek mine, Lander Co., Nevada, United States 
Formula
Au 
Availability
Available
Price
$325.00
Size
2.3 x 2 x 1.8 cm - Thumbnail 
Tagged
native element  

Fire Creek Gold specimens are light Gold indicating a higher than normal portion of Silver. It has a reputation of some of the finest crystallized Gold showing beautiful arborescent growth with numerous forms of cubic crystals. This is a fine specimen.


Gold

Formula
Au 
Crystal System
Isometric 
Crystal Habit
Arborescent, Platy, Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
yellow, pale yellow, orange, yellow white, reddish white 
Streak
yellow 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
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Haiweeite - 60978
Haiweeite - 60978

Haiweeite

with Uranophane - #60978
Locality
Teofilo Otoni, Minas Gerais, Southeast Region, Brazil 
Formula
Ca(UO2)2Si5O12(OH)2·3H2O 
Availability
Available
Price
$125.00
Size
4 x 3.5 x 3.5 cm - Miniature 
Special Info
Radioactive!! 

Canary yellow crystal sprays of Haiweeite to 2mm with stubby glassy orange Uranophane.


Haiweeite

Formula
Ca(UO2)2Si5O12(OH)2·3H2O 
Crystal System
Orthorhombic 
Crystal Habit
Microscopic Crystals, Spherical, Aggregates 
Cleavage
Good, None, None 
Luster
Pearly 
Color
greenish yellow, light yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
3.5 
Special Info
Radioactive!!
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Topaz - 61103
Topaz - 61103

Topaz

#61103
Locality
Ouro Preto, Minas Gerais, Brazil 
Formula
Al2SiO4F2 
Availability
Available
Price
$50.00
Size
2 x 1 x 1.3 cm - Thumbnail 

Gemmy orange, terminated single crystal.


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
8 
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