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The Mineralogical Record articles from July 1999
A bimonthly magazine for mineral enthusiasts and collectors. Articles discuss mineral localities, mining and mineral histories, collection reviews, and market reports.
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The Mineralogical Record archives from July 1999
Notes from the editor.(obituary, Richard Venable Gaines)(Editorial)
July 1, 1999... Died, Luis Antonio Bravo Teixeira Leite, 56, prominent mineral dealer after whom leiteite was named, in Bahia, Brazil. Luis Leite was born on July 5, 1942, in Lisbon, Portugal, the son of Jose Rodrigues and Gloria de Jesus Bravo Teixeira Leite...
Notes from the editor.(obituary, Luis Antonio Bravo Teixeira Leite)(Editorial)
July 1, 1999... Died, Richard Venable Gaines, 81, from cerebral vascular complications on January 21st, 1999.
Richard was born on the 25th of January, 1917, in Poughkeepsie, New York. His mother was Elizabeth Castle Gaines and his father was Clement...
Cobalt minerals of the Katanga Crescent, Congo.
July 1, 1999... Cobalt, copper and uranium are the important ore metals in a large number of deposits within and near the "Katanga Crescent." Many beautiful cobalt-containing minerals have come from this famous area, including carrollite, cattierite,...
Cobaltoan calcites and dolomites from Katanga.(analysis of cobaltoan calcites from Democratic Republic of the Congo)
July 1, 1999... INTRODUCTION
It was pointed out by Douglass (1992) that most mineral specimens labeled as "cobaltoan calcite" are actually "cobaltoan dolomite." In many cases the magnesium content is greater than the calcium content. During the past...
The Zapot pegmatite mineral county.(Hawthorne, Nevada)
July 1, 1999... The Zapot pegmatite is currently being mined for mineral specimens (chiefly amazonite, topaz and smoky quartz in miarolitic cavities), for gemstones (topaz and smoky quartz) and for decorative rock (amazonite). The deposit is owned and operated...
WDS and EDS.(Modern Mineral Identification Techniques. part 1)(Wavelength Dispersive Spectroscopy and Energy Dispersive Spectroscopy)
July 1, 1999... In order to identify obscure and unusual species today it is usually necessary to go well beyond the "classical mineralogy" techniques many of us learned in past decades. Wavelength Dispersive Spectroscopy and Energy Dispersive Spectroscopy are...
Collector profile: Martin Zinn III.
July 1, 1999... Show promoter and mineral collector par excellence, Martin Zinn is one of those people everybody seems to know. Personable and efficient, he has changed the face of the mineral world through the events he has pioneered and the project he has...