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Prehnite


Prehnite : Ca2Al2Si3O12(OH)

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Group of prismatic crystals of excellent definition, uncommon for the species.
Guercif, Taza, Morocco.
Minor fluorescence long & short UV
Found in 10/2002
Specimen size: 7.4 x 5.7 x 4.8 cm
Main crystal size: 2.3 x 0.3 cm


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