A slice across a stalactite or stalagmite, with a dark green and brown centre and then glittery pale purple amethyst crystal points radiating out. The specimen is discreetly glued to a black plastic stand. Do you know how to tell a stalactite from a stalagmite? A stalactite has to hold on tight to the cave ceiling, a stalagmite might reach the roof. Amethyst is a February birthstone.
13/16 inch (2.0 cm) wide, 3/8 inch (0.95 cm) deep and 3/4 inch (1.9 cm) tall.