Cluster of pinnkish Gmelinite-Na xls up to 1,5 cm wide hosted in basaltic matrix.
Very well represented for the specie.
Formula : (Na2,Ca)[Al2Si4O12] * 5-6 H2O
System: hexagonal Hardness:4½ Rarity:not common
Strunz id:VIII/J.26-50 -
SILICATES
Name origin: Gmelinite was named for the German Chemist and Mineralogist Christian Gottlob Gmelin (1792-1860).
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Specimen weight:145 gr.
Crystal size:Up to 1,5 cm
Overall size: 90mm x 35 mm x 50 mm
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