X-ray, thermal and infrared studies of cavansite from Wagholi western Maharashtra, India

Abstract

Deep lagoon-blue crystals of cavansite occur in cavities in agglomerated breccia associated with Deccan basalts at Wagholi, western Maharashtra. X-ray, thermal and infrared studies, reported in this communication, suggest that cavansite is a 3-dimensional vanadosilicate network analogous to gismondine. Water molecules occur in the mineral both as loosely held and tightly bound crystal water.