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Mixed Minerals

Sunday, 28 June 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 bismuth, carnotite, cerussite, chalcophyllite, and collinsite and more from places like Schneeberg dist., Erzgebirge, Saxony, Germany, Andrew's quarry, McKinley Co., New Mexico, United States, Wanlock Dod, Leadhills, South Lanarkshire, Scotland, Eagle mine, Gilman, Eagle Co., Colorado, United States, Piesky, Špania Dolina, Banská Bystrica, Slovakia, and Tip Top mine, Custer Co., South Dakota, United States.

Bismuth

with Safflorite - #BC52641
Locality
Schneeberg dist., Erzgebirge, Saxony, Germany 
Formula
Bi 
Availability
Available
Price
$225.00
Size
6.5 x 5 x 3 cm - Sm Cabinet 
Tagged
native element  

Brassy colored Bismuth crystals to 19mm embedded in dull, silvery Safflorite matrix.


Bismuth

Formula
Bi 
Crystal System
Trigonal 
Crystal Habit
Platy, Lamellar, Granular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
silver white, pinkish white, red 
Streak
silver white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness
2-2.5 
Collection
Barbara Cureton Collection
Mineralpedia
View Bismuth
On Dakota Matrix
Previously Sold Bismuth
On Dakota Matrix
Other Available Bismuth
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Carnotite

#AH53618
Locality
Andrew's quarry, McKinley Co., New Mexico, United States 
Formula
K2(UO2)2(VO4)2·3H2
Availability
Available
Price
$30.00
Size
3 x 3 x 1 cm - Thumbnail 
Tagged
vanadium  

Opaque yellow, tiny tabular crystals of carnotite on silty limestone matrix.


Carnotite

Formula
K2(UO2)2(VO4)2·3H2
Crystal System
Monoclinic 
Crystal Habit
Earthy, Encrustations, Platy 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
yellow, golden yellow, greenish yellow 
Streak
light yellow 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Collection
Arnold G Hampson Collection

Cerussite

#BC52643
Locality
Wanlock Dod, Leadhills, South Lanarkshire, Scotland 
Formula
PbCO3 
Availability
Available
Price
$275.00
Size
11 x 6 x 5.5 cm - Cabinet 
Tagged
carbonate  

A great old time specimen with white Cerussite crystals to 15mm in a large vug rimmed by yellow Pyromorphite(?). 


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
Barbara Cureton Collection
Mineralpedia
View Cerussite
On Dakota Matrix
Previously Sold Cerussite
On Dakota Matrix
Other Available Cerussite
WebMineral
View Cerussite
Mindat
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Cerussite

on Galena - #AH53591
Locality
Eagle mine, Gilman, Eagle Co., Colorado, United States 
Formula
PbCO3 
Availability
Sold
Size
8.5 x 4 x 2 cm - Sm Cabinet 
Tagged
carbonate  

Colorless Cerussite crystals, many twinned, to 3mm on dull Galena.


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
View Cerussite
On Dakota Matrix
Previously Sold Cerussite
On Dakota Matrix
Other Available Cerussite
WebMineral
View Cerussite
Mindat
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Chalcophyllite

on Azurite - #AH53612
Locality
Piesky, Špania Dolina, Banská Bystrica, Slovakia 
Formula
Cu18Al2(AsO4)4(SO4)3(OH)24·36H2
Availability
Sold
Size
4.5 x 3 x 1 cm - Miniature 
Tagged
arsenate , copper  

Good Chalcophyllite crystals to less than 1mm with Azurite.


Chalcophyllite

Formula
Cu18Al2(AsO4)4(SO4)3(OH)24·36H2
Crystal System
Trigonal 
Crystal Habit
Platy, Tabular, Massive - Lamellar 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
emerald green, bluish green, grass green 
Streak
pale green 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness
Collection
Arnold G Hampson Collection

Collinsite

with Jahnsite - #53578
Locality
Tip Top mine, Custer Co., South Dakota, United States 
Formula
Ca2Mg(PO4)2·2H2
Availability
Sold
Size
6 x 4.5 x 2.5 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Two colorless, excellent, Collinsite crystals to about 2mm in a vug loaded with yellow and olive green Jahnsite.


Collinsite

Formula
Ca2Mg(PO4)2·2H2
Crystal System
Triclinic 
Cleavage
Perfect, Perfect, None 
Luster
Silky 
Color
colorless, white, light brown 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle 
Hardness
3-3.5 

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