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0 item @ $0.00  

The Cook Collection

Friday, 30 December 2022 06:00 PM

Introducing the "The Cook Collection" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including greenockite, and hydrocerussite and more from places like Katerina Coal Mine, Radvanice, Bohemia, Czech Republic, and Mendip Hills, Somerset, England.

Greenockite

#BAC60607
Locality
Katerina Coal Mine, Radvanice, Bohemia, Czech Republic 
Formula
CdS 
Availability
Sold
Size
3 x 4 x 1.5 cm - Miniature 
Tagged
sulfide  

Orange stubby, less than 0.75mm, bladed Greenockite with very elongated acicular crystals of Greenockite to 2mm. Very interesting crystal development from mostly very tiny abundant to sparse long acicular crystals. See Jason Smith's incredible photo on Mindat.


Greenockite

Formula
CdS 
Crystal System
Hexagonal 
Crystal Habit
Radial, Encrustations, Colloform 
Cleavage
Distinct, Imperfect, None 
Luster
Adamantine - Resinous 
Color
honey yellow, citron yellow, orange yellow 
Streak
orange yellow 
Class
Hexagonal - Dihexagonal Pyramidal 
Fracture
Uneven 
Hardness
3.5-4 
Collection
William & Anne Cook Collection

Hydrocerussite

with Chloroxiphite - #PD60620
Locality
Mendip Hills, Somerset, England 
Formula
Pb3(CO3)2(OH)2 
Availability
Sold
Size
5.5 x 4 x 4 cm - Sm Cabinet 
Tagged
carbonate  
Special Info
Type Locality 

Green Chloroxiphite with white Hydrocerussite. Ex. Richard Barstow.


Hydrocerussite

Formula
Pb3(CO3)2(OH)2 
Crystal System
Trigonal 
Crystal Habit
Platy 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
colorless, gray, white 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle 
Hardness
3.5 
Collection
Don Phillips Collection
Special Info
Type Locality

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