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Gmelinite, Apophyllite


Gmelinite : (Na2,Ca)Al2Si4O12·6H2O, Apophyllite

Rhombic yellow crystals of gmelinite up to 13 mm intergrown with whitish apophyllite crystals up to 10 mm and bright white laumontite up to 12 mm long. With old label from L.V. Jochem. Ex. Dr. E. Sensel collection #BL703. Overall size of mineral specimen: 7x5x3 cm. Size of individual crystals: 3-12 mm.

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