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Diopside, Graphite, Mesolite, Laumontite

Locality: Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania

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

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Photo added: 1st Mar 2009

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