Deep Blue Cavansite on Matrix | crystal cluster, mineral specimenCavansite from India is famous for its electric blue sprays, but not all cavansite is created equal. The finest pieces show exceptional lustre and a deep, saturated blue that almost glows against the contrasting white or basalt matrix. These top grade clusters come from select pockets in the Wagholi quarries, where conditions allowed cavansite to form in tight, well defined rosettes with crisp crystal faces. Their vivid colour and sparkle make high