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2 items @ $50.00  

Rare Minerals

Thursday, 08 May 2025 06:00 PM

Introducing the "Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including baryte, bismuthinite, caledonite, gold, hunchunite, and libethenite and more from places like Hecla Rosebud mine, Pershing Co., Nevada, United States, Coats peg., Petaca dist., Rio Arriba Co., New Mexico, United States, Rowley mine, Maricopa Co., Arizona, United States, Fire Creek mine, Lander Co., Nevada, United States, Tagil River, Ural, Russia, and Miguel Vacas mine, Vila Vecosa, Portugal.

Baryte

#65842
Locality
Hecla Rosebud mine, Pershing Co., Nevada, United States 
Formula
BaSO4 
Availability
Available
Price
$25.00
Size
4.5 x 2.8 x 2 cm - Miniature 

A set of white to colorless Baryte rhombs to 1.8cm with an odd colorless prismatic crystal.


Baryte

Formula
BaSO4 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Prismatic, Massive - Fibrous 
Cleavage
Perfect, Perfect, Imperfect 
Luster
Vitreous (Glassy) 
Color
white, yellowish white, grayish white, brownish white, dark brown 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
3-3.5 
Mineralpedia
View Baryte
On Dakota Matrix
Previously Sold Baryte
On Dakota Matrix
Other Available Baryte
WebMineral
View Baryte
Mindat
View Baryte

Bismuthinite

with Bismutite - #55131
Locality
Coats peg., Petaca dist., Rio Arriba Co., New Mexico, United States 
Formula
Bi2S3 
Availability
Available
Price
$35.00
Size
3.5 x 2.5 x 1.5 cm - Miniature 
Tagged
sulfide  

Light straw yellow crystals to 4mm, an alteration of Bismuth in Quartz.


Bismuthinite

Formula
Bi2S3 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Massive - Lamellar, Granular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
gray, silver white, tin white 
Streak
gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Sectile 
Hardness

Caledonite

#65511
Locality
Rowley mine, Maricopa Co., Arizona, United States 
Formula
Cu2Pb5(SO4)3(CO3)(OH)6 
Availability
Available
Price
$195.00
Size
8 x 5 x 4 cm - Sm Cabinet 
Tagged
copper  

Rich specimen loaded with blue Caledonite crystals.


Caledonite

Formula
Cu2Pb5(SO4)3(CO3)(OH)6 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Radial, Striated 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Greasy 
Color
blue, blue green, green, dark green 
Streak
greenish white 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness
2.5-3 

Gold

#65049
Locality
Fire Creek mine, Lander Co., Nevada, United States 
Formula
Au 
Availability
Available
Price
$150.00
Size
3.5 x 3 x 2.5 cm - Miniature 
Tagged
native element  

An excellent and interesting specimen of Gold ribbons throughout Quartz mass.


Gold

Formula
Au 
Crystal System
Isometric 
Crystal Habit
Arborescent, Platy, Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
yellow, pale yellow, orange, yellow white, reddish white 
Streak
yellow 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Mineralpedia
View Goldmanite
On Dakota Matrix
Previously Sold Gold
On Dakota Matrix
Other Available Gold
WebMineral
View Gold
Mindat
View Gold

Hunchunite

with Gold - #65824
Locality
Tagil River, Ural, Russia 
Formula
Au2Pb 
Availability
Available
Price
$225.00
Size
1 x 1.2 x 0.5 cm - Thumbnail 
Tagged
silver  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
ID by Polished Section 

Thi is an old polished section from Prof. Nikolay Rudashevskiy, the late Russian mineralogist, who described and authored numerous new minerals. This polished section was obviously a microprobed analytical specimen to describe this particular locality. 

Please see the provenance tab to view all the analytical data from Nikolay Rudashevskiy.


Hunchunite

Formula
Au2Pb 
Crystal System
Isometric 
Luster
Metallic 
Color
lead gray, silver gray 
Class
Isometric - Hexoctahedral 
Hardness
3.5 
Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
ID by Polished Section

Libethenite

#65815
Locality
Miguel Vacas mine, Vila Vecosa, Portugal 
Formula
Cu2PO4(OH) 
Availability
Available
Price
$35.00
Size
3 x 3 x 2 cm - Thumbnail 
Tagged
phosphate , copper  

Green micro crystals, less than 0.5mm, with triangular faces.


Libethenite

Formula
Cu2PO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Druse, Globular 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous - Greasy 
Color
green, dark green, blackish green, light olive green, dark olive green 
Streak
light green 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness

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