Prehnite with Quartz, Laumontite

specimen number:
9892153

location:
Malad Quarries, Mumbai, Maharashtra, India

description:
Green to bluish green crystallized prehnite covering most of the top of this matrix with small sparkling crystals of quartz and minor white laumontite. This is in good condition.

The Malad quarries, historically active across the Malad and Kandivali areas of Salsette Island, became prominent during the rapid urban expansion of Mumbai in the late 19th and early 20th centuries, supplying stone extensively between roughly 1860 and 1930 before operations gradually wound down. Geologically, the area is characterized by volcanic formations composed primarily of yellowish-brown trachyte rock, popularly known as Malad stone, which was heavily utilized for the facades of many iconic neo-Gothic and heritage monuments across the city.

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