Mineral Species: Apophyllite

Chemical Formula: KCaSi8O20(F,OH).8H2O

Chemical Name: Potassium Calcium Silicate

Mineral Class: Sheet Silicate

Mineral Notes: The name of the mineral means "to leaf apart" in Greek. It was given because crystals tend to peel or flake apart when heated due to the loss of water.

Description: Two clusters of intergrown water-clear Apophyllite crystals on a matrix of black basalt. Nearly all crystals have excellent, sharp, pyramidal terminations.

Location: Aurangabad, India