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| CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ......Mineralogy Vol 3, No 2, December 1997 %e Coo(gardie Pegmatite :fie[� 'Western .9Lustrafia Mark I. Jacobson Chevron...70593 California, USA This n otable Australian pegmatite locality has produced a range of lithium minerals...the Western Australian outback, an abundance of pegmatite fields stretch from the fiercely hot and arid...Cattlin Creek pegmatite field,near Ravensthorpe in the south. The Coolgardie pegmatite field, near the |
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| Addresses Right: Aquamarine Rough from Marijao, Madagascar is sorted in a workshop in Idar-Oberstein, Germany...William "Skip" Simmons and Alexander Falster, pegmatite specialists from the University of New Orleans...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...Assun�io, Portugal. Pegmatites at Mahajamba, Madagascar have yielded beryl crystals to lengths of 3 meters |
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| but Espenshade (1954) identifies it as a short unnamed inclined adit accompanied by a small dump about...James RiverRoanoke River manganese and iron mining district. Mining for iron ore began during the Revolutionary...turquoise were reported (Sterrett, 1910). The district was explored for manganese ores by the Otter River...portion of the James River–Roanoke River manganese district, west of Lynch Station (after Espenshade, 1954)...deposits of the James River-Roanoke River manganese district. U.S.Geological Survey Bulletin 1008,134–135. |
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| California, is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines...qualify as world's best and superior to any from Madagascar, Afghanistan, Russia, or Brazil. Certainly, only...Mine in Topsham: both are small open pits in pegmatite. Morrill et al. (l 958) relieves the problem by...standard labeling procedures when they collect at unnamed sites. Locality data should be referred to nearby...addition to lacking verifiability. There are few unnamed spots in Maine. When a specific locality within |
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| Douglass and E. P. Mathewson. Decline of the District In 1599 the mine operators began to complain that...prepared for the King a detailed report on the district. According to this report, the silver veins vary...conforms to the deep central zone characterized by bismuthinite and wolframite, surrounded by a zone of silver...prismatic crystals of zinkenite. Bismuthinite Bi2S3 Small amounts of bismuthinite occur sporadically in the...Acanthite Arsenopyrite Arsenosulvanite Bemdtite Bismuthinite Chalcocite Chalcopyrite Covellite Fizelyite** |
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| Strontian crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto)...21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil 25:165-170 9 AUTHOR/TITLE...23:228 Al 'JAJ\ABO~OINA The Anjanabonoina pegmatite. Madagascar (by W. E. Wilson) 20:191-200 A.'\ :E.!\1ARTINL...Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from...Arizona (by W. A. Thompson) 11:248-250 The Tombstone district, Cochise County, Arizona (by S. A. Williams) 11:251-257 |
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| 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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| Mogok belongs to Mogok Township, in Pyin-U-Lwin District, in Mandalay Division, which borders Sagaing Division...January–February, 2022 Figure 3. The Ruby Mining District in Burma around Mogok, as surveyed by R. Gordon...exchange for exclusive gem-mining rights in the district. Agreeing, the king made U Tha Doon “sole governor”...depopulated mining district, and the smuggling of gems entirely out of the district became an industry...off complete anarchy, King Mindon decreed the district free and open to all for mining and trading. Additionally |
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| e r a lo j g ic a l Volume Eight/Number Two PEGMATITE ISSUE #1 p u b lis h e r ls * h n Q n i. • ;...83 by R. Lasmanis The Clear Creek Pegmatite: A Rare Earth Pegmatite in Burnet County, Texas............. Iores K IO i DITOR Here it is: our first Pegmatite Issue! Actually this accumulation is a happy accident;...our file of articles I realized we had enough pegmatite-related papers to fill an issue. One advantage...a certain article. The article on the Harding pegmatite, for instance, may not cause “Vol. 8, no. 2!” |
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| Helpful suggestions on field occurrences and pegmatite mineralogy were received horn Dr. James J. Norton...Pyrrhotite Niccolite Millerite Covellite Stibnite Bismuthinite Pyrargyrite Tetrahedrite Geocronite Meneghinite...north side of the tunnel entrance to the Greene pegmatite three miles east-northeast of Pringle has been...in the siliceous gold ores of the Bald Mountain district three miles west of Lead by Ziegler (5) p 61....southeast part of the Gayle (Dubuque)-Royal Flush pegmatite 5.9 miles southwest of Custer by Redden (5) p |
Unnamed pegmatite, Mandevontena, Masindray, Soavinandriana District, Itasy, Madagascar