 | | Journal (issue) | | from Brazil, 8.51 ct Sri Lankan spinel, 13.00 ct Madagascar sphene; (bottom row)— 9.05 ct Sri Lankan “padparadscha”...mastering the market. Looked at The New York diamond district has long been the center of diamond distribution...emerged from sources in Myanmar, Vietnam, and Madagascar. The greater popularity of colored gems has forced...their own right. Recent discoveries in southern Madagascar may provide additional supply. Relatively unknown...fill fractures in very low-quality ruby from Madagascar. The change in the material was astounding: The |  | | Journal (issue) | | “Liddicoatite tourmaline from Anjanabonoina, Madagascar,” Spring 2002 Gems & Gemology, pp. 28–53). The...claim to the source of this stone, a granitic pegmatite running parallel to the road, and initial mining...Spring 1993 Gems & Gemology, pp. 30–37). The pegmatite was mined until 1995, during the summer seasons...Indeed, the distribution of the beryl in the pegmatite proved to be quite sporadic. In the past three...∞4 m. The location of this large cavity in the pegmatite was unusual, in that it was found only 20– 40 |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...testing to be hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings...to 6 cm (2005: 120). Los Remedios mine, Taxco district, Taxco, Guerrero. Ilvaite occurs in the wallrock...manto deposits of polymetallic ores in the Taxco district, commonly as compact aggregates of crystals overgrown |
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