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0 item @ $0.00  

Mixed Minerals

Sunday, 12 July 2020 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including clintonite, corundum, and marcasite and more from places like Commercial quarry, Crestmore, Riverside Co., California, United States, Yogo Gulch, Little Belt Mts, Judith Basin Co., Montana, United States, and Picher mine, Ottawa Co., Oklahoma, United States.

Clintonite

in Calcite - #53703
Locality
Commercial quarry, Crestmore, Riverside Co., California, United States 
Formula
CaAlMg2(SiAl3)O10(OH)2 
Availability
Available
Price
$35.00
Size
6 x 5 x 4 cm - Sm Cabinet 

Light to medium green cleavages to 8mm of rare Clintonite, a mica, in blue Calcite.


Clintonite

Formula
CaAlMg2(SiAl3)O10(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Massive - Lamellar, Radial 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
colorless, green, yellow, red, reddish brown 
Streak
colorless 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4-5 
Collection
Fred DeVito Collection

Corundum

var. Sapphire - #AH53700
Locality
Yogo Gulch, Little Belt Mts, Judith Basin Co., Montana, United States 
Formula
Al2O3 
Availability
Available
Price
$40.00
Size
1 x 0.7 x 0.2 cm - Thumbnail 

Rounded chips of Corundum, variety sapphire, to 10mm. This is a classic American locality for sapphire. 


Corundum

Formula
Al2O3 
Crystal System
Trigonal 
Crystal Habit
Euhedral Crystals, Tabular, Prismatic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue, red, yellow, brown, gray 
Streak
none 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Tough 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
View Corundum
On Dakota Matrix
Previously Sold Corundum
On Dakota Matrix
Other Available Corundum
WebMineral
View Corundum
Mindat
View Corundum

Marcasite

on Galena - #AH53735
Locality
Picher mine, Ottawa Co., Oklahoma, United States 
Formula
FeS2 
Availability
Available
Price
$85.00
Size
13 x 8 x 7 cm - Cabinet 
Tagged
sulfide  

Classic, brassy, cockscomb habit Marcasite crystals to 2.5cm with etched out Galena cubes. 


Marcasite

Formula
FeS2 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Stalactitic, Globular 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
bronze, light brass yellow, tin white 
Streak
gray brownish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
6-6.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Marcasite
On Dakota Matrix
Previously Sold Marcasite
On Dakota Matrix
Other Available Marcasite
WebMineral
View Marcasite
Mindat
View Marcasite

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