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Fine Minerals from Wisconsin - Miss. Valley OD's

Thursday, 31 May 2018 05:00 PM

Introducing the "Fine Minerals from Wisconsin - Miss. Valley OD's" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including pyrite, sphalerite and more from places like Elmo mine, Lafayette Co., Wisconsin, United States, Blackstone mine, Shullsburg, Lafayette Co., Wisconsin, United States, and Platteville dist., Grant Co., Wisconsin, United States.

Pyrite

#RW48778
Locality
Elmo mine, Lafayette Co., Wisconsin, United States 
Formula
FeS2 
Availability
Sold
Size
5.5 x 4.5 x 4 cm - Sm Cabinet 
Tagged
sulfide  

This is really a fine specimen with a large 1.9cm cube of Pyrite perched perfectly on a bed of smaller Pyrite crystals to 5mm. Personally collected by RJ Waidler in 1970.


Pyrite

Formula
FeS2 
Crystal System
Isometric 
Crystal Habit
Striated, Druse, Stalactitic 
Cleavage
Poor, Poor, None 
Luster
Metallic 
Color
pale brass yellow 
Streak
greenish black 
Class
Isometric - Diploidal 
Fracture
Conchoidal 
Hardness
6.5 
Collection
Robert J. Waidler Collection
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Sphalerite - RW48557
Sphalerite - RW48557

Sphalerite

with Baryte - #RW48557
Locality
Blackstone mine, Shullsburg, Lafayette Co., Wisconsin, United States 
Formula
ZnS 
Availability
Sold
Size
10 x 6.5 x 4 cm - Cabinet 
Tagged
sulfide  

One homely ugly specimen, this piece has a ball of white Baryte to 3cm on dull black Sphalerite. Historic mining district. Please don't drool on your keyboard over this one.


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
Robert J. Waidler Collection

Sphalerite

with Pyrite - #RW48779
Locality
Elmo mine, Lafayette Co., Wisconsin, United States 
Formula
ZnS 
Availability
Sold
Size
8.5 x 6 x 5.5 cm - Sm Cabinet 
Tagged
sulfide  

This is a larger specimen of Sphalerite of cabinet size with a deep reddish brown banded, colloform habit. At the center is either Marcasite or Pyrite. Personally collecter by Waidler in 1970.


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
Robert J. Waidler Collection

Sphalerite

#RW48808
Locality
Platteville dist., Grant Co., Wisconsin, United States 
Formula
ZnS 
Availability
Sold
Size
7.5 x 3.5 x 3.5 cm - Sm Cabinet 
Tagged
sulfide  

There are two different sides to this specimen. The main side features good Sphalerite crystals, the largest to 2.1cm with resinous luster. The other side is full of deep red 1-2mm crystals.


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
Robert J. Waidler Collection

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