Mineral Gallery V
LEPIDOLITE in very large, sharp, hexagonal crystals with QUARTZ crystals.Minas Gerais, Brazil.Measures 5 x 2-1/2 x 2 inches.
CLAY and CASSITERITE (sic.) [KAOLINITE] pseudomorph after a group of ORTHOCLASE crystals.[St. Austell District], Cornwall, England, UK.Measures 2-1/8 x 1 x 5/8 inches.This specimen retains an old School of Mines, Columbia College, N.Y.
BORNITE in large, sharp crystals on matrix.Redruth, Cornwall, England, UK.Measures 3 x 1-3/4 x 1-1/4 inches. On an Alec Madoff base.This is an old Columbia College specimen from the A.M.N.H. Acquired from Gene Carmichael by exchange on September 14, 2004.
ORTHOCLASE (ADULARIA), a superb group of stacked crystals with minor CHLORITE.Maderanertal, Amsteg, Uri, Switzerland.Measures 3-1/2x1-1/2x1 inches.
Price (my cost in 2006) $900
RUBY CORUNDUM, a large, well-terminated crystal in marble.Jegdalek, Saroby, Afghanistan.
Measures 3 x 3 x2 inches with the ruby crystal at 1 x 3/4 inches.I acquired this from Ed David (his #97W) by exchange on July 22, 2004.
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Lawrence H. Conklin
Wallingford, CT 06492
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