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MS Book and Mineral Company

Minerals from Montana


Thumbnail images beloware hyperlinked.....click mineral to enlarge



To order a mineral give the mineral name and the number of the specimen(s) you wish to purchase. You will receive that exact specimen.  Satisfaction is guaranteed.  If you are unhappy with any specimen, please let me know within 5 days after your shipment arrives, that you are returning a specimen(s) for full refund with no questions asked <or> credit toward another specimen. If you wish to take a credit for any returned specimen(s), the shipping charges will be free on your next order.

Bornite

Specimen # 700

Kelly Mine, Butte, Silver Bow County Montana


5.5 x 1.5 x 1.5 cm

$ 25

Solid, bluish, metallic specimens collected in the Kelly mine in Butte when the mines were active




Bornite

Specimen # 700


A closeup view of the
Bornite specimen above







Bornite

Specimen # 701

Kelly Mine, Butte, Silver Bow County Montana


8.5 x 6 x 2.5 cm


$ 75








Bornite

Specimen # 701

another view





Covellite

Specimen # 702

Leonard Mine, 3859' level,
Butte, Silver Bow County,

Montana

2.8 x 2.5 x 1 cm

 $ 50

Covellite was the primary ore the Butte
copper mines.  This sample was mined
in the early 1970's towards the end of
 this famous mining district.





Covellite

Specimen # 702

A closeup view of the specimen above
showing covellite throughout much of the stone











Covellite

Specimen # 703

Leonard Mine, 3859' level,
Butte, Silver Bow County,

Montana
 

4.5 x 4 x 1.5 cm

$ 60



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Covellite

Specimen # 703


Another view of the opposite  side of the stone

Be sure to click on the specimen to enlarge it to see the detail of the interlocking covellite crystals






  

 

      Rhodochrosite

Specimen # 704

  Emma Mine, Silver Bow County Montana

5.5 x 4.5 1.5 cm

$ 55

Fine pink to white botyroidal rhodochrosite crystals covering matrix of quartz with pyrite





   Rhodochrosite

Specimen # 704

Another view of the specimen above




  Rhodochrosite

Specimen # 705

  Emma Mine, Silver Bow County Montana

10 x 9 x 2 cm

$ 125

Crystalline Rhodochrosite with a light pink to rose coloration; the botryoidal appearance is not seen here as it covers quartz crystals
 








  Rhodochrosite

Specimen # 705

another view of the specimen above









Rhodochrosite

Specimen # 706

Butte, Silver Bow County, Montana


7 x 4.5 x 3.5 cm

 $ 95

Massive, crystalline rhodochrosite; this material has a deeper red color than the material listed above without a botryoidal surface


Rhodochrosite

Specimen # 706

another view of the specimen above



 







Quartz, Pyrite and Rhodochrosite

Specimen # 707

Butte, Silver Bow County, Montana

8 x 6.5 x 4.3 cm

$ 75




Quartz, Pyrite and Rhodochrosite

Specimen # 707

A closer view of the specimen
showing the pyrites on the quartz crystals
with a light dusting of light pink rhodochrosite
over the specimen




   

Stillwater Gabbro, JM Reef

Specimen # 708

Stillwater Mine, Stillwater, Sweet Grass and Park Counties, Montana

Contents of specimen include Plagioclase
 +/- augite, bronzite, with the sulfides chalcopyrite, pyrrhotite, and pentalandite


6.5 x 5 x 5.5 cm

 $ 45









Stillwater Gabbro, JM Reef

Specimen # 708

Click to see a closeup view
showing the sulfides which
 make  this ore valuable.


No Stillwater specimen is ever shipped
unless some ore is clearly visible
somewhere on each rock






Stillwater Gabbro, JM Reef

Specimen # 709

Stillwater Mine, Stillwater, Sweet Grass and Park Counties, Montana

7.5 x 3 x 4.5 cm

$  75

Contents of this specimen include Plagioclase
+/- augite, bronzite, with the sulfides

chalcopyrite, pyrrhotite, pentalandite






Stillwater Gabbro, JM Reef

Specimen # 709

Another view showing the interesting structure of the rocks of the JM Reef





Stillwater Anorthosite

Specimen # 710

Stillwater Mine, Stillwater, Sweet Grass and Park Counties, Montana

7 x 2.5 x 4 cm

 $ 40

Stillwater Anorthosite contains numerous sulfides contianing PGE's (Platinum Ground Elements)


Stillwater Anorthosite

Specimen # 710

another view

Click on the mineral to enlarge the specimen, in the center and going down from there you can see what looks like pyrite.

Those are the sulfides containing the PGE's.



 



Stillwater Anorthosite

Specimen # 711

Stillwater Mine, Stillwater, Sweet Grass and Park Counties, Montana USA

6 x 4 x 6 cm

$ 65

Stillwater Anorthosite contains numerous sulfides appearing as dark sulfide spots which contain the PGE's (Platinum Ground Elements)

 





Stillwater Anorthosite

Specimen # 711

Another view showing what appear to be
pyrites in the middle of the specimen

It imagine it takes a lot of ore to yield one
kilo of platinum.


 


Vermiculite

Specimen # 712

Libby, Montana

7 x 6 x 0.3 cm


 $ 100

 Relections turn the specimens to
what resembles white and green
landing platforms in outer space






Specimen # 712

This is a large, thin collection of  black "mica" plates which take on other colors during due light refraction when making the jpegs.



 


MS Book and Mineral Company

Index to Minerals Available

Mineralogy Book Catalog

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Place an Order