  Stilbite.
Description from the source:
Ca-Stilbite (Na Ca4 (Al9 Si27 O72)x nH2O mon.), Poona, Jalgaon, Maharashtra, India. White crystal cluster with pulverulent Laumontite. 3,5x1,3x1,3 cm; 5 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 27 December, 2008
Text Updated: 28 December, 2008
Price: Trade
Size: 1.4"
Composition: NaCa4(Al9Si27O72).H2O
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