Tridymite
Villanova Monteleone - Monteleone Rocca Doria area, Sassari Province, Sardinia, Italy
Thin hexagonal plate of tridymite in a small vug that is coated with a clay-like mineral. Obtained off the giveaway tables at the CMMA workshop in Burlington, Ontario on November 14, 2015. Zerene Stacker, twenty slices, DMap algorithm. Picasa 3.9 software for color balance, contrast and touch-ups. Photo and specimen: Steve Stuart.
© SMS 2015