Learn about Chalcedony
microcrystalline quartz with agate, jasper, chrysoprase; waxy to glassy surfaces, banding and botryoidal forms, a colorful, collectible spectrum.Nashik
Nashik, India — Deccan Trap basalt pockets yield apophyllite, stilbite, scolecite, calcite, powellite; coveted by collectors for sharp, well-formed crystals.
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