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Mixed Minerals

Sunday, 21 May 2023 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including dussertite, dyscrasite, nickelhexahydrite, otwayite, and strunzite and more from places like near Rhyolite pass, Mineral Co., Nevada, United States, Pribram, Bohemia, Czech Republic, Jachymov, Erzgegirge, Bohemia, Czech Republic, Kasompi mine, Swambo, Katanga, Democratic Republic of Congo, and Foote mine, Cleveland Co., North Carolina, United States.

Dussertite

on Baryte - #BAC61684
Locality
near Rhyolite pass, Mineral Co., Nevada, United States 
Formula
BaFe3+3(AsO4)(AsO3OH)(OH)6 
Availability
Available
Price
$40.00
Size
2 x 2 x 0.8 cm - Thumbnail 
Tagged
arsenate  

Flat green spots on Baryte.


Dussertite

Formula
BaFe3+3(AsO4)(AsO3OH)(OH)6 
Crystal System
Trigonal 
Luster
Vitreous - Resinous 
Color
green, yellow green 
Class
Trigonal - Ditrigonal Pyramidal 
Hardness
3.5 
Collection
William & Anne Cook Collection

Dyscrasite

#BAC61699
Locality
Pribram, Bohemia, Czech Republic 
Formula
Ag3.2Sb0.8 
Availability
Available
Price
$150.00
Size
3 x .06 x 0.3 cm - Thumbnail 
Tagged
silver  

A large dull grey excellent crystal. Pribram is probably the world's premier locality. 


Dyscrasite

Formula
Ag3.2Sb0.8 
Crystal System
Orthorhombic 
Crystal Habit
Pseudo Hexagonal, Scaly, Granular 
Cleavage
Distinct, Distinct, Imperfect 
Luster
Metallic 
Color
gray, yellow, black, silver white 
Streak
silver white 
Class
Orthorhombic - Pyramidal 
Fracture
Sectile 
Hardness
3.5-4 
Collection
William & Anne Cook Collection

Nickelhexahydrite

#BAC61706
Locality
Jachymov, Erzgegirge, Bohemia, Czech Republic 
Formula
NiSO4·6H2
Availability
Available
Price
$40.00
Size
3 x 3 x 1.3 cm - Thumbnail 

Green nondescript masses on nickel-bearing gabbro.


Nickelhexahydrite

Formula
NiSO4·6H2
Crystal System
Monoclinic 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
bluish green 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
Collection
William & Anne Cook Collection

Otwayite

with Malachite - #BAC61715
Locality
Kasompi mine, Swambo, Katanga, Democratic Republic of Congo 
Formula
Ni2CO3(OH)2·H2
Availability
Available
Price
$95.00
Size
1.7 x 1.1 x 1 cm - Thumbnail 
Tagged
carbonate , nickel  

White fibrous crystals lining vugs in Malachite. It carries a G. Gautheir mineral label (see prov. tab).


Otwayite

Formula
Ni2CO3(OH)2·H2
Crystal System
Orthorhombic 
Crystal Habit
Fibrous, Aggregates 
Luster
Silky 
Color
green, bright green 
Streak
light green 
Class
Orthorhombic 
Hardness
Collection
William & Anne Cook Collection
On Dakota Matrix
Previously Sold Otwayite
On Dakota Matrix
Other Available Otwayite
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Strunzite

#BAC61694
Locality
Foote mine, Cleveland Co., North Carolina, United States 
Formula
Mn2+Fe3+2(PO4)2(OH)2·6H2
Availability
Available
Price
$65.00
Size
7 x 4.5 x 2 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Fibrous crystals to 1cm.


Strunzite

Formula
Mn2+Fe3+2(PO4)2(OH)2·6H2
Crystal System
Triclinic 
Crystal Habit
Acicular, Lath 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
brownish yellow, golden yellow, straw yellow 
Streak
light yellow 
Class
Triclinic - Pinacoidal 
Hardness
Collection
William & Anne Cook Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Strunzite
On Dakota Matrix
Other Available Strunzite
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Mindat
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