cerussite

The industry includes establishments developing mine sites, mining and preparing lead ores including smithsonite mining, sphalerite mining, willemite mining, calamine mining, cerussite mining, galena mining, lead ore mining, and lead-zinc ore mining.

The V2O5 can be collected in a flotation concentrate together with Smithsonite (ZnCO3) and Cerussite (PbCO3).

Galena generally oxidizes to cerussite (PbC[O.sub.3]) and anglesite (PbS[O.sub.4]).

He also had a few small specimens of cerussite on drusy velvet malachite from Bou Beker, Morocco--also new, and very cute.

A gallery highlight is the famed 900-carat Light of the Desert, the largest faceted cerussite gem in the world.

Mostly cerussite, he says, with lots of silver in it.

The pigments, they found, were bone white, lead white, cerussite, quartz, cinnabar, malachite, charcoal black, copper salts, Chinese purple and azurite.

Dam a triple winner at 2-3 years, successful at Listed level, and a half-sister to Gr1 winner Al Hareb, Gr3 winner Dr Somerville, and Listed winners Rising and Cerussite. Traces to 1948 champion two-year-old Ballisland.

Within the oxidized zones, the primary sulfide minerals were commonly converted to limonite, pyrolusite, cerussite, anglesite, argentojarosite and plumbojarosite (basic sulfates of Fe), and native silver, with traces of malachite and azurite.

Only a few of the phases are stoichiometric minerals (anglesite = Pb sulfate, cerussite = Pb carbonate, galena = Pb sulfide, native Pb = Pb), whereas the others are nonstoichiometric associations of various metals and other elements.