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PREHNITE AND EPIDOTE

GREEN PREHNITE WITH BLACK EPIDOTE FROM DJOUGA, KAYES REGION, MALI.  ALTHOUGH PREHNITE IS NOT A ZEOLITE, IT IS FOUND IN BASALTIC ROCKS AND FORMS WITH SOME ZEOLITES (SEE OKENITE ON PREHNITE).  IT IS A PHYLLOSILICATE OF CALCIUM AND ALUMINUM.  THE CRYSTAL SYSTEM IS ORTHOMBIC, FORMING MAINLY IN GLOBULAR NODULES.  HARDNESS IS 6-6.5.  EPIDOTE IS ANOTHER CALCIUM-ALUMINUM COMPOUND.  THE CRYSTALS ARE PRISMATIC WITH STRIATIONS AND ARE FIBROUS IN NATURE.  HARDNESS IS 6-7.  VERY NICE SPECIMENS FOR YOUR COLLECTION! 

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PREHNITE AND EPIDOTE

 GREEN PREHNITE AND BLACK EPITDOTE - SPECIMEN IS 2 X 1 1/4 X 1 INCH AND WEIGHS 1.55 OUNCES.

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  • PRED1

PREHNITE AND EPIDOTE #2

GREEN PREHNITE AND BLACK EPITDOTE - SPECIMEN IS 2 X 1 1/2 X 1 INCH AND WEIGHS 1.8 OUNCES.

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  • PRED2

PREHNITE AND EPIDOTE #5

GREEN PREHNITE AND BLACK EPITDOTE - SPECIMEN  IS 1 1/2 X 1 1/4 X 1 1/2 INCH AND WEIGHS 1.65 OUNCES.

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  • PRED5