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MS Book and Mineral Company

Minerals from Montana

20% off on all orders of 3 (or more) minerals  /  $ 300 mineral orders get free domestic shipping


Thumbnail images below are 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(s).  Satisfaction is guaranteed.  If you are unhappy with any specimen, please let me know within 10 days after your shipment arrives that you are returning a specimen(s) for full refund with no questions asked.  I only ask that all specimens returned are in the same condition upon return as when shipped. 

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 close-up 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







Bornite

Specimen # 721

Kelly Mine, Butte, Silver Bow County Montana


44 x 3 x 1 cm


$ 30
   




Bornite

Specimen # 721

A closer view with a change in light source
   



Bornite

Specimen # 722

Kelly Mine, Butte, Silver Bow County Montana


49.5 x 7.5 x 5 cm


just over 907 grams

$ 165
   





Bornite

Specimen # 722

A close-up pic which shows the brilliant colors typical of Bornite
   
Covellite

Specimen # 702

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

Montana

2.8 x 2.5 x 1 cm

 $ 49

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 close-up 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


$ 59



\



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











Covellite

Specimen # 713

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

Montana

4 x 2 x 1 cm

 $ 26
   




Covellite

Specimen # 713

opposite side of specimen 713 showing multiple colors in specimen

   





Covellite

Specimen # 714

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

Montana

7.5 x 5 x 2 cm

 $ 109
   







Covellite

Specimen # 714

Edge of specimen 714 showing highly reflective surface which is primarily a deep blue as usual; light refraction using a different light source creates other colors seen here
   




Digenite

Specimen # 720

Leonard Mine, Butte,
Silver Bow County,

Montana

2 x 1 x 0.4 cm

 $ 40
   




Digenite

Specimen # 720

Another view of this rarer specimen showing the deeper silver-blue color of Digenite; pyrite at center of photo


   
  

 

      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 of this specimen showing the interesting structure of the rocks from  the JM Reef





Stillwater Anorthosite

Specimen # 710

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

7 x 2.5 x 4 cm

 $ 35

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

$ 55

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

I 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


 $ 50

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




Vermiculite

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.



 

 



Chalcocite with Pyrite

Specimen # 715

East Colusa Mine, Butte

Silver Bow County, Montana

7.5 x 4 x 1.5 cm

$ 45
   





Chalcocite with Pyrite

Specimen # 715

Another view of Pyrite covering Chalcocite
   



Chalcocite with Pyrite

Specimen # 716

East Colusa Mine, Butte

Silver Bow County, Montana

9.5 x 5.5 x 3 cm

$ 100
   





Chalcocite with Pyrite

Specimen # 716

Another closeup view of the Chalcocite forming a network of stringers through the white quartz; Pyrite scattered about; nice specimen
   



Chalcocite with Pyrite

Specimen # 717

East Colusa Mine, Butte

Silver Bow County, Montana

7 x 3.5 x 1.5 cm

$ 100
   





Chalcocite with Pyrite

Specimen # 717


View on opposite side which shows the Chalcocite appearing with a purple color
   




Chalcocite with Pyrite

Specimen # 717


Another view of this specimen
showing the brecciated appearance
 of the quartz





   





Chalcocite with Pyrite

Specimen # 718

East Colusa Mine, Butte

Silver Bow County, Montana

4 x 3 x 1 cm

$ 15
   





Chalcocite with Pyrite

Specimen # 718


Another view on the opposite side of specimen 718 showing mainly the Chalcocite with some veining through the quartz matrix
   


Chalcocite with Pyrite

Specimen # 719

East Colusa Mine, Butte

Silver Bow County, Montana

6.5 x 4.5x 1.5 cm

$ 50

   



Chalcocite with Pyrite

Specimen # 719

Another closeup view of Chalcocite stringers in quartz showing a more typical silver color;
Occasional pyrites add to the attractiveness of the specimen

   

MS Book and Mineral Company

Index to Minerals Available

Mineralogy Book Catalog

Select Mineral Books

Rock, Gem, and Mineral Book Catalog

Place an Order