Scolecite, White Prismatic Crystals, India
A very nice large cabinet specimen of white prismatic Scolecite crystals from Poona, India.
Scolecite, hydrous calcium aluminum silicate, has a formula of Ca[Al2Si3O10}•3H2O.
The name is from the Greek, skolec, "worm" in reference to the mineral's reaction to the blowpipe flame.
Measures 7 1/2 x 3 x 2 3/4 inches.
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