 | | Journal (article/letter/editorial) | | microcline crystals, 35 × 45 cm, Virgem da Lapa, Minas Gerais, Brazil. Adalberto Giazotto photo. Figure 6. Amethyst...50 cm, from the Anahi mine, La Gaiba district, Santa Cruz Department, Bolivia. Adalberto Giazotto photo...cm, Pederneira mine, São José de Safira, Minas Gerais, Brazil. Adalberto Giazotto photo. Figure 10 (top...variety of beryl, 23 × 18 cm, Corrégo do Urucum mine, Minas Gerais, Brazil. Jeff Scovil photo. 96*2:...cm, Pederneira mine, São José da Safira, Minas Gerais, Brazil. Adalberto Giazotto photo. Figure 19 (below |  | | Journal (issue) | | gem abstracts| Margaritologia pearl newsletter|Santa Fe Symposium proceedings|Fei cui testing in Hong...Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...7.99 ct amethyst, 3.29 ct tourmaline, 2.40 ct aquamarine, 1.12 ct Imperial topaz and 4.84 ct golden beryl...margaritologia.de. Santa Fe Symposium Proceedings Papers from 22 presentations delivered at the 2017 Santa Fe Symposium |  | | Catalog/List | | rusty “patina” and do evidence minor iron oxide deterioration as such specimens do require treatments...” (HED) subgroup of achondrite meteorites, which do not contain chondrules. It is theorized the origin...com/5386 72054 Blue Calcite Sphere Stone Source: Brazil This huge orb appears almost as a group of lufy...Source: Brazil This Rhodonite sphere has a rich dark red coloration as it was mined in Brazil. This type...$500 72060 Emerald Sphere Stone Source: Bahia, Brazil Emerald is one of the “Big Three” making it one |
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