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Systematic Minerals

Saturday, 26 March 2022 04:00 PM

Introducing the "Systematic Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including bismuth, calcite, cuprite, descloizite, diaboleite, and fluorite and more from places like Daniel mine, Wittichen, Schenkenzell, Black Forest, Baden-W�rttemberg, Germany, North Vernon, Jennings Co., Indiana, United States, Remolinos mine, Copiapó, Atacama, Chile, Mimbres mine, Grant Co., New Mexico, United States, Mammoth mine, Tiger, Pinal Co., Arizona, United States, and Winterstock, Goscheneralp, Canton Uri, Switzerland.

Bismuth

with Bismuthinite - #58019
Locality
Daniel mine, Wittichen, Schenkenzell, Black Forest, Baden-W�rttemberg, Germany 
Formula
Bi 
Availability
Sold
Size
5.5 x 4.5 x 2 cm - Sm Cabinet 
Tagged
native element  

Excellent crystals of native Bismuth to 2cm in matrix with metallic, dark grey Bismuthinite.


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
Bill Wilson Collection
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Calcite

#RS57998
Locality
North Vernon, Jennings Co., Indiana, United States 
Formula
CaCO3 
Availability
Sold
Size
3.5 x 3.5 x 2 cm - Miniature 
Tagged
carbonate  

Amber colored Clacite crystal group with amazing luster. No damage, very nice piece.


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
RC Stamberg Collection
Mineralpedia
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Cuprite

#RS57999
Locality
Remolinos mine, Copiapó, Atacama, Chile 
Formula
Cu1+2
Availability
Sold
Size
5 x 4 x 2 cm - Miniature 
Tagged
copper  

Large Cuprite crystals to over 1cm with native Copper. This is a locality not generally known.


Cuprite

Formula
Cu1+2
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Capillary 
Cleavage
Imperfect, None, None 
Luster
Adamantine 
Color
brown red, purple red, red, black 
Streak
brownish red 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
RC Stamberg Collection
Mineralpedia
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Descloizite

#58010
Locality
Mimbres mine, Grant Co., New Mexico, United States 
Formula
PbZnVO4(OH) 
Availability
Sold
Size
4.5 x 4 x 2.5 cm - Miniature 
Tagged
vanadium  

Fiery "burnt" orange drusy Descloizite. Stunning.


Descloizite

Formula
PbZnVO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Plumose, Tabular, Encrustations 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
dark brownish black, dark reddish brown, orange red, reddish brown, black 
Streak
light brownish green 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
Collection
RC Stamberg Collection

Diaboleite

with Leadhillite - #RS57997
Locality
Mammoth mine, Tiger, Pinal Co., Arizona, United States 
Formula
CuPb2Cl2(OH)4 
Availability
Available
Price
$950.00
Size
4.5 x 3.5 x 3 cm - Miniature 
Tagged
copper  

A fabulous specimen rich in blue Diaboleite, but also light buishish green plates of Leadhillite to 6mm. There are a few good free-standing crystals. Anglesite may also be present as is Cerussite. Comes with an old Willard L. Roberts collection label. Roberts was the author of the Encyclopedia of Minerals.


Diaboleite

Formula
CuPb2Cl2(OH)4 
Crystal System
Tetragonal 
Crystal Habit
Euhedral Crystals, Encrustations, Granular 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
dark blue, bright sky blue 
Streak
blue 
Class
Tetragonal - Ditetragonal Pyramidal 
Fracture
Conchoidal 
Hardness
2.5 
Collection
RC Stamberg Collection

Fluorite

#AH56874
Locality
Winterstock, Goscheneralp, Canton Uri, Switzerland 
Formula
CaF2 
Availability
Sold
Size
0.6 x 0.7 x 0.6 cm - Thumbnail 

Just a nice light pink octahedral crystal set. Small but pleasant.


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
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