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Mixed Rare Minerals

Saturday, 07 May 2022 12:00 PM

Introducing the "Mixed Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including berzeliite, calcite, chalcopyrite, chondrodite, copper, and coronadite and more from places like Långban, Filipstad, Värmland, Sweden, Santa Eulalia, Chihuahua, Mexico, Sweetwater mine, Viburnum Trend, Reynolds Co., Missouri, United States, Limecrest quarry, Sussex Co., New Jersey, United States, Mission mine, Pima Co., Arizona, United States, and South mine, Broken Hill, New South Wales, Australia.

Berzeliite

in Caryinite - #RS58427
Locality
Långban, Filipstad, Värmland, Sweden 
Formula
NaCa2Mg2(AsO4)3 
Availability
Sold
Size
4.5 x 3 x 2.5 cm - Miniature 
Tagged
arsenate  

Rich, bright orange Berzeliite in dark brownish red Caryinite. Choice specimen.


Berzeliite

Formula
NaCa2Mg2(AsO4)3 
Crystal System
Isometric 
Cleavage
None, None, None 
Luster
Resinous 
Color
orange, sulfur yellow 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
4.5-5 
Collection
RC Stamberg Collection

Calcite

with Pyrite - #AH58196
Locality
Santa Eulalia, Chihuahua, Mexico 
Formula
CaCO3 
Availability
Sold
Size
9 x 9 x 5 cm - Sm Cabinet 
Tagged
carbonate  

Cabinet specimen with a large brassy ball of Pyrite at the center with numerous scalenohedral Calcite crystals to 1.3cm.


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
Arnold G Hampson Collection
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Chalcopyrite

with Dolomite & Galena - #AH58197
Locality
Sweetwater mine, Viburnum Trend, Reynolds Co., Missouri, United States 
Formula
Cu1+Fe3+S2 
Availability
Available
Price
$85.00
Size
8 x 4.5 x 4.5 cm - Sm Cabinet 
Tagged
sulfide , copper  

Excellent combination specimen loaded with octahedral Galena crystals to 1cm on white Dolomite. Sprinkled about the specimen are nice 1-3mm golden Chalcopyrite crystals.


Chalcopyrite

Formula
Cu1+Fe3+S2 
Crystal System
Tetragonal 
Crystal Habit
Euhedral Crystals, Striated, Druse 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
brass yellow, honey yellow 
Streak
greenish black 
Class
Tetragonal - Scalenohedral 
Fracture
Brittle 
Hardness
3.5 
Collection
Arnold G Hampson Collection

Chondrodite

in Calcite - #RS58431
Locality
Limecrest quarry, Sussex Co., New Jersey, United States 
Formula
Mg5(SiO4)2F2 
Availability
Sold
Size
3 x 3 x 2.5 cm - Thumbnail 

Orange crystal grains to 2mm in in white Calcite matrix with minopr Graphite.


Chondrodite

Formula
Mg5(SiO4)2F2 
Crystal System
Monoclinic 
Crystal Habit
Crystalline - Fine, Massive - Granular 
Cleavage
Good, None, None 
Luster
Vitreous - Greasy 
Color
yellow, orange, brownish white, reddish white, greenish white 
Streak
gray 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
6-6.5 
Collection
RC Stamberg Collection

Copper

in selenite - #RS58198
Locality
Mission mine, Pima Co., Arizona, United States 
Formula
Cu 
Availability
Sold
Size
6 x 4 x 1.5 cm - Sm Cabinet 
Tagged
copper  

These guys are generally not found these days on the market. Transparent, colorless selenite with inclusions of arborescent Copper crystals.


Copper

Formula
Cu 
Crystal System
Isometric 
Crystal Habit
Nodular, Arborescent 
Cleavage
None, None, None 
Luster
Metallic 
Color
brown, copper red, light pink, red 
Streak
rose 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Collection
RC Stamberg Collection
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Coronadite

#58435
Locality
South mine, Broken Hill, New South Wales, Australia 
Formula
PbMn4+2Mn2+6O16 
Availability
Available
Price
$75.00
Size
8 x 4.5 x 4 cm - Sm Cabinet 

A cool black botryoidal crystal aggregates to 8mm. 


Coronadite

Formula
PbMn4+2Mn2+6O16 
Crystal System
Monoclinic 
Crystal Habit
Fibrous, Botryoidal 
Luster
Sub Metallic 
Color
grayish black, dark gray, black 
Streak
brownish black 
Class
Monoclinic - Prismatic 
Hardness
4.5-5 

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