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Sale Minerals

Sunday, 30 August 2020 06:00 PM

Introducing the "Sale Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including calcite, cerussite, corundum, epidote, giniite, and quartz and more from places like Guanajuato, Guanajuato, Mexico, Tsumeb mine, Tsumeb, Namibia, Yogo Gulch, Little Belt Mts, Judith Basin Co., Montana, United States, Alchuri, Shigar Valley, Balistan, Northern Areas, Pakistan, Sandamap pegmatite, Dâures, Erongo, Namibia, and Los Arcoiris, Ojo Laguna, Chihuahua, Mexico.

Calcite

on Quartz var. amethyst - #WR53518
Locality
Guanajuato, Guanajuato, Mexico 
Formula
CaCO3 
Availability
Available
Price
$65.00
Reduced Price
$45.00
Size
9 x 6.5 x 5 cm - Sm Cabinet 
Tagged
carbonate  

3-5mm colorless, nail-head, Calcite crystals on soft, frosted amethyst crystals. 


Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Willard L. Roberts Collection
Mineralpedia
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Previously Sold Calcite
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Cerussite

#PD49045
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbCO3 
Availability
Available
Price
$35.00
Reduced Price
$15.00
Size
5 x 4.5 x 3.5 cm - Miniature 
Tagged
carbonate  

A reticulated and twinned, kind of grungy specimen with a lot of secondary colors - but probably just Azurite and Malachite. Some Tennanite/Tetrahedrite also.


Cerussite

Formula
PbCO3 
Crystal System
Orthorhombic 
Crystal Habit
Reticulate, Massive - Granular, Crystalline - Coarse 
Cleavage
Distinct, Distinct, None 
Luster
Adamantine 
Color
colorless, white, gray, blue, green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3-3.5 
Collection
Don Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Cerussite
On Dakota Matrix
Other Available Cerussite
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Mindat
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Corundum

var. Sapphire - #AH53700
Locality
Yogo Gulch, Little Belt Mts, Judith Basin Co., Montana, United States 
Formula
Al2O3 
Availability
Available
Price
$40.00
Reduced Price
$25.00
Size
1 x 0.7 x 0.2 cm - Thumbnail 

Rounded chips of Corundum, variety sapphire, to 10mm. This is a classic American locality for sapphire. 


Corundum

Formula
Al2O3 
Crystal System
Trigonal 
Crystal Habit
Euhedral Crystals, Tabular, Prismatic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue, red, yellow, brown, gray 
Streak
none 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Tough 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
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Epidote

#AH53630
Locality
Alchuri, Shigar Valley, Balistan, Northern Areas, Pakistan 
Formula
Ca2Fe3+Al2(Si2O7)(SiO4)O(OH) 
Availability
Available
Price
$10.00
Reduced Price
$5.00
Size
1.9 x 1.5 x 0.4 cm - Thumbnail 

Small, olive green bladed Epidote crystals in thin cluster. 


Epidote

Formula
Ca2Fe3+Al2(Si2O7)(SiO4)O(OH) 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Fibrous, Massive 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellowish green, brownish green, black, yellow, gray 
Streak
grayish white 
Class
Monoclinic - Prismatic 
Fracture
Regular 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
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Giniite

#51096
Locality
Sandamap pegmatite, Dâures, Erongo, Namibia 
Formula
Fe2+Fe3+4(PO4)4(OH)2·2H2
Availability
Available
Price
$95.00
Reduced Price
$50.00
Size
Micromount 
Tagged
phosphate , pegmatite mineral  
Special Info
Type Locality 

A micromount with a 1cm specimen showing crystalline black grains of which is the Giniite. Very Rare


Giniite

Formula
Fe2+Fe3+4(PO4)4(OH)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Crystalline - Fine 
Cleavage
None, None, None 
Luster
Vitreous - Greasy 
Color
blackish brown, black, blackish green 
Streak
olive green 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
3-4 
Special Info
Type Locality
On Dakota Matrix
Previously Sold Giniite
On Dakota Matrix
Other Available Giniite
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Mindat
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Quartz

var. agate - #52801
Locality
Los Arcoiris, Ojo Laguna, Chihuahua, Mexico 
Formula
SiO2 
Availability
Available
Price
$150.00
Reduced Price
$55.00
Size
4.5 x 3.5 x 2.5 cm - Miniature 

Both sides this specimen have bands of various shades of red and near the center are light purple bands. The photo on the left is dry and the photo on the right is wet. Wetting agate specimens always brings out the color. Beautiful specimen from this locality. All of the close-ups are wet


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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On Dakota Matrix
Previously Sold Quartz
On Dakota Matrix
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Mindat
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