 | | Journal (issue) | | Paraíba tourmaline 446 Gem News International Demantoid garnet with giant fluid inclusion • Grandidierite...Grandidierite from Madagascar • Mexican demantoid from new deposits • New natural-color bluish green chalcedony...(developed in 1931 by the Commission Internationale de I’Éclairage) and CIELAB 1976 (published by the commission...composition of pyrope and pyrope-spessartine samples by lA-ICP-mS. Carat weight Pyrope 3 Pk1 12.26 2.63...476 981 192,000 283 wt.% oxides, converted from lA-ICP-mS mgo Cao mno Feo Al2o3 Cr2o3 V2o3 Sio2 Tio2 |  | | Journal (issue) | | inclusion in diamond • First discovery of topazolite in Mexico • Large baroque Tridacna gigas (clam) pearl • Coated...Madagascar Sri Lanka 750 Ma South America Rio de La Plata Antarctica Australia Kalahari an Trans...cutting, with 20 companies active in 2013— including De Beers sightholder Rosy Blue—most of the activity...Z.X., Bogdanova S.V., Collins A.S., Davidson A., De Waele B., Ernst R.E., Fitzsimons I.C.W., Fuck R.A...Florida, North Carolina, and Texas, as well as Mexico, the Caribbean, and as far south as Argentina (Strack |  | | Catalog/List | | 87010 ADAMITE Mina Ojuela, Municipio de Mapimí, Durango, Mexico Established in 1598, the Mina Ojuela...Los Lamentos Mts (Sierra de Los Lamentos), Mun. de Ahumada, Chihuahua, Mexico Historic can be applied...Magdalena, Magdalena District, Socorro Co., New Mexico, USA This botryoidal Aurichalcite specimen has...MARCASITE Cap Blanc-Nez (Escalles), Pas-de-Calais, Nord-Pas-de-Calais, France Not every mineral locality... 87028 CREEDITE Santa Eulalia, Mun. de Aquiles Serdán, Chihuahua, Mexico So many minerals are often first |  | | Book | | HISTORICAL PERSPECTIVE The term pseudomorph (French ¼ la pseudomorphose) was first used by René Just Haüy...Haüy (1743e1822) in his ground-breaking work Traité de Mineralogie (Haüy, 1801) (Fig. 1.1). Haüy did not...observed (Golightly and Arancibia, 1979; Villanova-de-Benavent et al., 2014). Here, Ni is understood as...homogeneous rims with distinct Ni content (Villanova-de-Benavent et al., 2014). This is in line with the...composition or vice versa during Ni-enrichment (Villanova-de-Benavent et al., 2014) has to be a dissolutioneprecipitation |
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Cerro De La Concordia, Piedra Parada, Tatatila Municipality, Veracruz, Mexico