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The mineral group of ZEOLITHE comprises about 50 varieties.
In technology, ZEOLITH minerals are valued as ion exchangers and are used to bind gases and liquids (e.g. cat litter etc.).
STILBIT or DESMIN forms columnar single crystals that unite to form garb-like bundles. The crystals form in cavities of magmatites but also in alpine fissures.
This large, very decorative specimen comes from the basalt quarries in northern India.
Weight: 4.7 kilograms - 30 x 23 x 15 cm
Picture 4 is the reverse side - the step has not been cleaned - and can be significantly improved visually with soapy water and a brush.
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