Minerals

BRUCITE through CHLORITOID


BRUCITE, M-145. Nevada. Nearly white
to buff, gray or brownish masses. 
Check for availability.


CALAMINE, see HEMIMORPHITE or SMlTHSONITE.

CALCITE, M-150.Missouri or Nevada. White,
yellowish,  sub-transparent to translucent cleavage rhombs. 


CALCITE, M-150A. Canada. Coarse
crystalline, salmon pink color. 

CALCITE variety TRAVERTINE,
M-150B.
California. Banded brown to buff. Clearly delineated depositional layers exhibited. 


CALCITE, M-150C. California.
Coarse crystalline, skyblue. 

CALCITE variety ICELAND SPAR,
M-150D
Mexico. Clear cleavages to show excellent birefringence.
Please ask about the grades and sizes available and their costs.  


CELESTITE,
M-155. California.
Grayish blue, compact, fibrous vein sections
with a "satin spar" structure. 1x1 and 1x2 inch
are largest sizes. Check for availability.

CHALCEDONY see under QUARTZ

CHALCOCITE,
M-170A.
Wisconsin. Chalcocite from a supergene 

enrichment process.  Very minor associated pyrite, chalcopyrite
or bornite. The mine is now closed.  

 

CHALCOCITE, M-170C. 

Crystalline masses. 

This chalcocite represents classic chemical weathering. 

An environment of supergene enrichment with a 

fluctuating water table enabled this type of chalcocite to form.

 

CHALCOPYRITE, M-175C. Mexico or Arizona. Pure masses. Good,
bright classic color. 


CHALCOPYRITE,
M-175D. Mexico. Acid treated to produce the "peacock"

copper colors.  1" pieces at $1 each.  1.5 - 2" pieces at $3 each.  SL.


CHERT, See under QUARTZ.

CHIASTOLlTE, see under ANDALUSITE.

CHLORlTE (CLINOCHLORE),
M-180. 
California. Fine to coarse flake, dark green
masses. 

CHLORITE,
M-185. Michigan
High iron, fine grain flaky dark green masses




Return to Index of Minerals
Geoprime Home Page

Copyright 1997-2012 Geoprime