Search Results for: Mineral carving materials
fine minerals for sale to mineral collectors, mineral museums and those interested in mineral collecting. john betts - fine minerals > home page > minerals for sale > new mineral listings from weeks ago newly listed minerals - april mineral update sizes: (t) = thumbnail, (m) = miniature, (c) = cabinet
, (lc) = large cabinet available minerals shown. sold minerals are removed from galleries. # , dravite tourmaline , mwajanga, southeast of mirerani, tanzania (t) $ # , tanzanite crystal (blue gem variety of the mineral zoisite) , merelani hills, tanzania (type locality for tanzanite) (t) $ # , afghanite...
http://www.johnbetts-fineminerals.com/jhbnyc/newlist4.htm
whiting, white, powdery substance, prepared by grinding chalk or some other source of calcium carbonate. when mixed with linseed oil it forms putty, and with water and several other substances it constitutes whitewash. ..... click the link for more information. , putty, precipitated chalk chalk, mineral
similar in composition to limestone, but softer. it is characteristically a marine formation and sometimes occurs in great thickness; the chief constituents of these chalk deposits are the shells of minute animals called foraminiferans. ..... click the link for more information. , gypsum gypsum , mineral...
https://encyclopedia2.thefreedictionary.com/calcium