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Tucson Show Finds

Wednesday, 26 February 2025 06:00 PM

Introducing the "Tucson Show Finds" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including caledonite, and copper and more from places like Grand Reef mine, Graham Co., Arizona, United States, and Indiana mine, Ontonogan Co., Michigan, United States.

Caledonite

#65580
Locality
Grand Reef mine, Graham Co., Arizona, United States 
Formula
Cu2Pb5(SO4)3(CO3)(OH)6 
Availability
Available
Price
$75.00
Size
3.5 x 3 x 2 cm - Miniature 
Tagged
copper  

Lovely blue crystals to 1mm in a group to 7mm.


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 

Copper

#65541
Locality
Indiana mine, Ontonogan Co., Michigan, United States 
Formula
Cu 
Availability
Available
Price
$225.00
Size
4.5 x 3.5 x 2.5 cm - Miniature 
Tagged
native element  

Crude Copper crystals with a dark coppery petina. 


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 
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