Learn about Chalcedony
microcrystalline quartz with agate, jasper, chrysoprase; waxy to glassy surfaces, banding and botryoidal forms, a colorful, collectible spectrum.Ahmednagar District
Ahmednagar District, India — zeolite-rich Deccan Traps locality known for apophyllite, stilbite, and Rahuri crystals; prized for distinctive, undamaged example…
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