what color is greenockite... how hard is it,,,its use....is it hard to find?

Greenockite CdS

Cadmium Sulfide extremely rare " gren uk it "

record crystal only half an inch found in scotland in 1810

originally thought to be sphalerite

Greenockite found in the tin veins of Llallagus, Bolivia.

some have been found with prehnite in cavitiesin the pillow basalts of New Jersey mainly around Paterson, Passaic County

Its interest is exclusively scientific

found in Scotland, Austria, Czechoslovakia, Greece, and the U.S.A

are you familiar with the Mineralogical Record

http://www.minrec.org/

A wealth of information great magazine

or Gems and Gemology

http://www.gia.edu/gemsandgemology/70/section_main...

oh thanks for the points

Greenockite - Cadmium Sulfide

Check the folloeing sites:

Chemistry - http://webmineral.com/data/Greenockite.shtml

http://www.galleries.com/minerals/sulfides/greenoc...

http://www.hmag.gla.ac.uk/John/huntmin/greenock.ht...

http://www.mindat.org/min-1746.html

Its yellow and white its pretty rare

It looks like this:

http://www.galleries.com/minerals/sulfides/greenoc...

Its hardness is 3-3.5 on the Mohs scale which is explained here:

http://en.wikipedia.org/wiki/Mohs_scale_of_mineral...