Apophyllite

Species: Apophyllite, KCa₄Si₈O₂₀(F,OH)·8H₂O

Class: Silicate mineral (phyllosilicate)

Weight: 223g

Size: 3.75x3x1.5"

This specimen is a striking cluster of apophyllite crystals with one dominant stepped, pyramidal termination and several smaller companion points on the sides. It has a good luster and clean crystal faces. This is a n attractive display piece showing the classic tetragonal pyramid form apophyllite is known for.