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Latest Miarolitic cavities Stories

2008-07-17 03:00:30

By Rakovan, John The very first Word to the Wise column dealt with the term pegmatite (Rakovan 2003). This was especially fitting because pegmatites are one of the most important rock types or geologic environments for the production of beautiful and interesting mineral specimens. A qualitative assessment of this can be made through a simple review of mineral journals, where one finds that tourmaline, aquamarine (often referred to as t&a), and other pegmatite minerals comprise a large...

2008-07-17 03:00:00

By Anonymous THE TWENTY-FOURTH TECHNICAL SESSION of the Rochester Mineralogical Symposium (RMS) was held on 13 April 2007. Twelve abstracts were accepted and presented as oral papers. The review panel consisted of Dr. Steven Chamberlain, New York State Museum; Dr. Carl Francis, Harvard Univeristy; Dr. Robert King, Tewkesbury, Great Britain; Dr. Marian Lupulescu, New York State Museum; and Dr. George Robinson, Michigan Technological University. PSEUDOBROOKITE FROM THE NINE MILE PLUTON,...


Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'