Analcime, Tugtupite, Chkalovite - Greenland
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Incredible specimen with full coverage. Bright blue analcime covers both sides of this rock varying from a deep blue to a light blue. Tugtupite along with chkalovite (the rarer pearly white variety Ð a classic example of how tugtupite replaces chkalovite) found throughout the matrix. The delicate veining on this material clearly illustrates tugtupite replacing chkalovite. Very unique material.
Willemite, Calcite, Fluorite from the Garpenberg Mine in Sweden
The Garpenberg mine is located in Bergslagen, a very old mining area in the southern part of Sweden.
The mine is very active today and is one of Europe's most progressive underground mining operations. Collecting is not possible, and the few specimens that reach collector's hands are highly prized. The mineralogy is quite similar to that of Franklin NJ.