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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 sphalerite, stilbite, strashimirite, tremolite, and zincite and more from places like Carthage mine, Smith Co., Tennessee, United States, Prospect Park, Passaic Co., New Jersey, United States, Majuba Hill mine, Pershing Co., Nevada, United States, Lime quarry, Litchfield Co., Connecticut, United States, and Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States.

Sphalerite

with Baryte - #AH59127
Locality
Carthage mine, Smith Co., Tennessee, United States 
Formula
ZnS 
Availability
Sold
Size
11 x 9 x 3 cm - Cabinet 
Tagged
sulfide  

Adamantine lustrous deep red crystals to 1.4cm with larger clusters and a ball of yellowish Baryte at the center.


Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection

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
WebMineral
View Stilbite
Mindat
View Stilbite

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 

Tremolite

#AH59129
Locality
Lime quarry, Litchfield Co., Connecticut, United States 
Formula
□Ca2Mg5Si8O22(OH)2 
Availability
Sold
Size
8.5 x 6 x 4.5 cm - Sm Cabinet 

White, bladded Tremolite to 3cm with marble matrix.


Tremolite

Formula
[box]Ca2Mg5Si8O22(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Columnar, Massive - Fibrous, Massive - Granular 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Pearly 
Color
brown, colorless, gray, white, light green 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Sub Conchoidal 
Hardness
5-6 
Collection
Arnold G Hampson Collection
Mineralpedia
View Tremolite
On Dakota Matrix
Previously Sold Tremolite
On Dakota Matrix
Other Available Tremolite
WebMineral
View Tremolite
Mindat
View Tremolite

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
View Zincite
On Dakota Matrix
Previously Sold Zincite
On Dakota Matrix
Other Available Zincite
WebMineral
View Zincite
Mindat
View Zincite

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