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0 item @ $0.00  

Mixed Rare and FIne Minerals

Sunday, 25 April 2021 07:00 PM

Introducing the "Mixed Rare and FIne Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including adamite, calcite, chabazite, chalcopyrite, and creedite and more from places like Mina Ojuela, Mapimi, Durango, Mexico, Bou Azzer dist., Anti-Atlas, Morocco, Hernandez, Rio Arriba Co., New Mexico, United States, Happy Jack mine, White Canyon, San Juan Co., Utah, United States, and Liberty (Hall) mine, Nye Co., Nevada, United States.

Adamite

(manganoan) - #BN55626
Locality
Mina Ojuela, Mapimi, Durango, Mexico 
Formula
Zn2AsO4(OH) 
Availability
Available
Price
$95.00
Size
10 x 9 x 4 cm - Cabinet 

These crystals are 4 to 6mm with white rims and purple cores. I have not seen this habit and color combination before. All the crystals are sharp and well-formed. 


Adamite

Formula
Zn2AsO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Druse, Encrustations 
Cleavage
One Good 
Luster
Vitreous - Resinous 
Color
yellow, green, violet, pink, yellowish green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
Collection
Dr. Buford Nichols Collection
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Adamite

(cuprian) - #BN55627
Locality
Mina Ojuela, Mapimi, Durango, Mexico 
Formula
Zn2AsO4(OH) 
Availability
Available
Price
$95.00
Size
8.5 x 5 x 4 cm - Sm Cabinet 
Tagged
arsenate  

Bluish green glassy and excellent Adamite crystals to 1mm. The color as well as the size of the crystals chages across the specimen from a blue to green and about 1.5mm to less than 1mm.


Adamite

Formula
Zn2AsO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Druse, Encrustations 
Cleavage
One Good 
Luster
Vitreous - Resinous 
Color
yellow, green, violet, pink, yellowish green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
Collection
Dr. Buford Nichols Collection
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Calcite

(cobaltoan) - #55661
Locality
Bou Azzer dist., Anti-Atlas, Morocco 
Formula
CaCO3 
Availability
Available
Price
$45.00
Size
7 x 6 x 4.5 cm - Sm Cabinet 
Tagged
carbonate  

Pink translucent prismatic crystals of Calcite with "nail-head" terminations. The reddish brown clusters look to be limonite replacing Baryte.


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
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Chabazite

#AH55673
Locality
Hernandez, Rio Arriba Co., New Mexico, United States 
Formula
Ca(Si4Al2)O12·6H2
Availability
Sold
Size
9 x 6 x 5 cm - Sm Cabinet 

Colorless Chabazite to 2mm with square outlines on white Analcime.


Chabazite

Collection
Arnold G Hampson Collection

Chalcopyrite

replacing wood - #AH55637
Locality
Happy Jack mine, White Canyon, San Juan Co., Utah, United States 
Formula
Cu1+Fe3+S2 
Availability
Sold
Size
10 x 4.5 x 3 cm - Cabinet 
Tagged
sulfide , copper  

This is a unique specimen of golden Chalcopyrite which has replaced wood. It is essentially carbonatized petrified wood which created a reducing environment for the sulfide, Chalcopyrite, to have been deposited.


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

Creedite

#55671
Locality
Liberty (Hall) mine, Nye Co., Nevada, United States 
Formula
Ca3Al2(SO4)(OH)2F8·2H2
Availability
Available
Price
$195.00
Size
6 x 5 x 3 cm - Sm Cabinet 

Lilac colored drussy Creedite crystals. Excellent specimen, this material is long gone.


Creedite

Formula
Ca3Al2(SO4)(OH)2F8·2H2
Crystal System
Monoclinic 
Crystal Habit
Granular, Radial, Prismatic 
Cleavage
Perfect, None, None 
Luster
Vitreous - Greasy 
Color
colorless, violet, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
3.5 
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