Diopside Crystal Cluster with Phlogopite & Calcite sphalerite Common green opal 15957 Jane also creates wire Faden Quartz
Baker’s notes & crumb story
Description
Diopside Crystal Cluster with Phlogopite & Calcite sphalerite Common green opal 15957 Jane also creates wire Faden Quartz Common green opal They formed when silica saturated groundwater filled the narrow fissures in the basaltic volcanic rocks of the Serra Geral Formation (Lower Cretaceous in age)