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Diopside, Graphite, Mesolite, Laumontite

Diopside : CaMgSi2O6, Graphite : C, Mesolite : Na2Ca2Si9Al6O30·8H2O, Laumontite : CaAl2Si4O12·4H2O
minID: RUD-95N

Photo Copyright © John A. Jaszczak. All rights reserved.  - This image is copyrighted. Unauthorized reproduction prohibited.

Gem quality diopside crystals (the largest is approximately 1.7 cm tall) associated with tabular graphite crystals. The graphite crystals are coated with a secondary overgrowth of graphite, and sparse, tiny octahedral pyrite crystals. Also associated are blocky white laumontite crystals and white acicular crystals of mesolite. This and other specimens were said to be discovered in an open pocket in December 2007. The specimen is 6x7 cm overall and is now in the collection of the A. E. Seaman Mineral Museum (via Fine Minerals International).

This Photo was Mindat.org Photo of the Day - 25th Apr 2009

This photo has been shown 3703 times

Photo added: 1st Mar 2009

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