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Mixed Minerals

Sunday, 04 September 2022 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including corundum, stilbite, strashimirite, and zincite and more from places like Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States, Prospect Park, Passaic Co., New Jersey, United States, Majuba Hill mine, Pershing Co., Nevada, United States.

Corundum

in Margarite - #59122
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
Al2O3 
Availability
Sold
Size
3.5 x 3 x 2 cm - Miniature 

3 to 5mm pale red ruby crystals with light green Margarite and Calcite.


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
Mineralpedia
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On Dakota Matrix
Previously Sold Corundum
On Dakota Matrix
Other Available Corundum
WebMineral
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Stilbite

#59101
Locality
Prospect Park, Passaic Co., New Jersey, United States 
Formula
NaCa4(Si27Al9)O72·28H2
Availability
Available
Price
$65.00
Size
14 x 11 x 6 cm - Cabinet 

Large cabinet specimen with well-formed Stilbite crystals to 4mm in large cavity.


Stilbite

Collection
Arnold G Hampson Collection
Mineralpedia
View Stilbite-Ca
On Dakota Matrix
Previously Sold Stilbite
On Dakota Matrix
Other Available Stilbite
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Mindat
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Strashimirite

#59092
Locality
Majuba Hill mine, Pershing Co., Nevada, United States 
Formula
Cu4(AsO4)2(OH)2·2.5H2
Availability
Available
Price
$45.00
Size
6 x 6 x 4.5 cm - Sm Cabinet 
Tagged
arsenate , copper  

Light green velvety and globular Strashimerite group 1.4cm across. 


Strashimirite

Formula
Cu4(AsO4)2(OH)2·2.5H2
Crystal System
Monoclinic 
Crystal Habit
Euhedral Crystals, Fibrous, Encrustations 
Luster
Greasy (Oily) 
Color
white, green 
Streak
pale green 
Class
Monoclinic 
Fracture
Uneven 
Hardness
2.5-3 

Zincite

var. calcozincite - #PD59085
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
ZnO 
Availability
Available
Price
$250.00
Size
11 x 6 x 5 cm - Cabinet 

This is a stunning red specimen of a slickenside, caused by faulting, with mineralized Zincite and Calcite.


Zincite

Formula
ZnO 
Crystal System
Hexagonal 
Crystal Habit
Massive - Fibrous, Granular, Disseminated 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
yellow, dark yellow, dark red, orange 
Streak
yellowish orange 
Class
Hexagonal - Dihexagonal Pyramidal 
Fracture
Sub Conchoidal 
Hardness
4-5 
Collection
Don Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Zincite
On Dakota Matrix
Other Available Zincite
WebMineral
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Mindat
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