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1 item @ $40.00  

Mixed Minerals

Sunday, 09 June 2024 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including quartz, schoepite, sperrylite, and wodginite and more from places like Gobobsed Mtns., Brandberg, Erongo, Namibia, Happy Jack mine, White Canyon, San Juan Co., Utah, United States, Vermillion mine, Sudbury, Ontario, Canada, and Itatiaia mine, Conselheiro Pena, Minas Gerais, Brazil.

Quartz

var. amethyst sceptor - #63378
Locality
Gobobsed Mtns., Brandberg, Erongo, Namibia 
Formula
SiO2 
Availability
Available
Price
$275.00
Size
6 x 3 x 3 cm - Sm Cabinet 

A beautiful color zoned scepter Quartz crystal with purple to smoky colors. 


Quartz

Formula
SiO2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Druse, Crystalline - Fine 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, violet, gray, yellow 
Streak
white 
Class
Trigonal - Trapezohedral 
Fracture
Conchoidal 
Hardness
Mineralpedia
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Schoepite

#AH63174
Locality
Happy Jack mine, White Canyon, San Juan Co., Utah, United States 
Formula
(UO2)8O2(OH)12·12H2
Availability
Sold
Size
7 x 5 x 1.3 cm - Sm Cabinet 
Special Info
XRD Confirmed 

Bright yellow, flat, rounded Schoepite on blue Chalcedony.


Schoepite

Formula
(UO2)8O2(OH)12·12H2
Crystal System
Orthorhombic 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
yellow, lemon yellow, brownish yellow, amber 
Streak
light yellow 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
2.5 
Collection
Arnold G Hampson Collection
Special Info
XRD Confirmed
Mineralpedia
View Schoepite
On Dakota Matrix
Previously Sold Schoepite
On Dakota Matrix
Other Available Schoepite
WebMineral
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Mindat
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Sperrylite

#64221
Locality
Vermillion mine, Sudbury, Ontario, Canada 
Formula
PtAs2 
Availability
Available
Price
$35.00
Size
5 x 4 x 3 cm - Miniature 

Type locality Sperrylite. Not a crystal, just a broken silvery white crystal grain to 1mm.


Sperrylite

Formula
PtAs2 
Crystal System
Isometric 
Crystal Habit
Disseminated, Crystalline - Fine 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
tin white 
Streak
black 
Class
Isometric - Diploidal 
Fracture
Conchoidal 
Hardness
6-7 

Wodginite

#64208
Locality
Itatiaia mine, Conselheiro Pena, Minas Gerais, Brazil 
Formula
Mn2+Sn4+Ta2O8 
Availability
Available
Price
$150.00
Size
2 x 1.7 x 1.2 cm - Thumbnail 
Tagged
pegmatite mineral  

Excellent flattened dipyramidal crystal showing six good faces.


Wodginite

Formula
Mn2+Sn4+Ta2O8 
Crystal System
Monoclinic 
Crystal Habit
Pyramidal, Prismatic, Massive - Granular 
Cleavage
None, None, None 
Luster
Sub Metallic 
Color
dark brown, reddish brown, black, black brown 
Streak
brown 
Class
Monoclinic - Prismatic 
Fracture
Irregular 
Hardness
5.5 
Mineralpedia
View Wodginite
On Dakota Matrix
Previously Sold Wodginite
On Dakota Matrix
Other Available Wodginite
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Mindat
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