brazilianite


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brazilianite

[brə′zil·yə‚nīt]
(mineralogy)
NaAl3(PO4)2(OH)4 A chartreuse yellow to pale yellow, monoclinic mineral consisting of a basic phosphate of sodium and aluminum.
References in periodicals archive ?
Especially since World War II, the pegmatites of the state of Minas Gerais have yielded some of the world's finest specimens of topaz, chrysoberyl, euclase, elbaite, and beryl (in all of its colored varieties); phosphate-rich pegmatites of the same state have furnished the world's finest specimens of brazilianite, beryllonite, eosphorite, hydroxylherderite, amblygonite and more; complex pegmatites of other kinds have provided cassiterite, xenotime, monazite and several rare-earth species; Brazilian specimens of titanite, phenakite, fluorapatite, kyanite, scheelite, spessartine and bertrandite are among the world's very best.
Brazilianite Linopolis Dist., Minas Gerais, Brazil 4" wide ex-collections W.
In 1948 Burnham offered brazilianite crystals (no doubt from the type locality at Corrego Frio, Brazil) in crystals to 2 inches, priced at $15; pink morganite beryl crystal groups from Brazil; and paravauxite from Llallagua, Bolivia, among many others.
Still in Brazil in 1945, he continued visiting important mineral localities, finding a wealth of gem species including fabulous brazilianite crystals (still the world's best) at the type locality of Corrego Frio.
The Telirio mine has been a known producer of brazilianite since at least the early 1980's, but a few years ago the "mother lode" was struck there, yielding hundreds of highly aesthetic specimens.
The new Grieger's advertised primarily gem materials, but also carried "superb specimens of Mexican wulfenite," probably from Los Lamentos, and "choice specimens of a new find of crystallized anglesite." In August 1946 he announced his acquisition of the "largest and finest lot of brazilianite crystals ever sent to this country.
In his big airy room in the Quality Inn, Benson Highway--Marty Zinn's new-this-year acquisition--Carlos Vasconcelos of Vasconcelos (vasconpedras@uol.com.br), had laid out the contents of a spectacular new find, in December 2006, of brazilianite in the Telirio mine, Linopolis area, Minas Gerais.
We were also quite happy to discover that a number of our best pieces (brazilianite, Murzinska topaz, Bisbee azurite, Touissit azurite, etc.) would be serious competitors for the ikons pictured in Wayne's book, with of course the major difference that they are not (and hopefully will never be!) for sale.
He initiated, or was active in, various specimen mining projects in Vera Cruz, Guerrero, and Sonora, Mexico; the Otjua mine in Namibia; chrysoberyl, topaz and brazilianite localities in Brazil; the De Maria gold mine in California; the Blanchard mine in New Mexico; the Bunker Hill mine in Idaho; the Block D mine area in Arusha, Tanzania; and a new epidote locality in Kenya which he worked with the legendary African explorer Campbell Bridges.
(1942) tourmaline; garnet Etiro pegmatite Topaz, brazilianite, Miller (1969) eosphorite Kanona-Erongo Schorl; garnet Frommurze et al.
Fred also wrote hundreds of popular magazine articles, and numerous articles in technical mineralogy journals; he published the first descriptions of the new minerals brazilianite, mackayite and blakeite.
Charming little crystal groups of brazilianite from the Marcel Telirio mine near Linopolis, as well as very good single crystals, were being offered by various dealers.