Cavansite with Stilbite

specimen number:
2063332

location:
Wagholi Quarries, Pune, Maharashtra, India

description:
At least five ball shaped crystal groupings of cavansite, the largest measuring to 1.8 cm in size, across the top of a matrix coated by micro white sparkling stilbite crystals. In good condition. From the early 2000's. The specimen comes with a previous label from the collection of Ray DeMark.

The Wagholi Quarries near Pune, Maharashtra, India, are set within the volcanic basalt flows of the Deccan Traps, where hydrothermal fluid activity inside rock cavities and breccias favored the growth of secondary minerals. Although active commercial basalt quarrying was driven by construction needs, workers discovered rich deposits of brilliant, electric-blue cavansite in the mid-1970s and 1980s. Wagholi quickly gained international fame among mineral collectors and museums for producing the finest known prismatic cavansite crystals, often set against contrasting white stilbite matrices. Mineral collecting at the site has become legendary, though active commercial mining in the primary cavansite-bearing zones has mostly ceased today.

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