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Mixed Minerals

Friday, 14 February 2020 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including cerussite, duftite, and fluorite and more from places like Rum Jungle, Northern Territory, Australia, Tsumeb mine, Tsumeb, Namibia, and William Wise mine, Westmoreland, Cheshire Co., New Hampshire, United States.

Cerussite

#AH52158
Locality
Rum Jungle, Northern Territory, Australia 
Formula
PbCO3 
Availability
Available
Price
$25.00
Size
1.5 x 1.5 x 0.6 cm - Thumbnail 
Tagged
carbonate  

Thumbnail of twinned Cerussite.


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
Arnold G Hampson Collection
Mineralpedia
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Previously Sold Cerussite
On Dakota Matrix
Other Available Cerussite
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Duftite

#35142
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbCuAsO4(OH) 
Availability
Available
Price
$40.00
Size
3.5 x 2.5 x 2 cm - Miniature 
Tagged
arsenate , copper  

Lime green micro crystals of Duftite with Rosasite(?). Ex - Dr. Gebhard specimen.


Duftite

Formula
PbCuAsO4(OH) 
Mineralpedia
View Duftite
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Previously Sold Duftite
On Dakota Matrix
Other Available Duftite
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Mindat
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Fluorite

#AH52273
Locality
William Wise mine, Westmoreland, Cheshire Co., New Hampshire, United States 
Formula
CaF2 
Availability
Available
Price
$55.00
Size
7 x 5 x 3.5 cm - Sm Cabinet 

A floater specimen of bright green Fluorite, somewhat etched. The green is much better in-hand.


Fluorite

Formula
CaF2 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse, Massive - Granular, Disseminated 
Cleavage
Three perfect, octahedral cleavages. 
Luster
Vitreous (Glassy) 
Color
purple, clear, yellow, green, red, blue 
Streak
white 
Geological Setting
Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
View Fluorite
On Dakota Matrix
Previously Sold Fluorite
On Dakota Matrix
Other Available Fluorite
WebMineral
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Mindat
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