Description
Double Terminated Self Healed Smoky Quartz from Mont Blanc, France TD1589 goias A plethora of quartz points 515TF3209 sicat agate Locality Hashupi A plethora of quartz points of varying size cover the massive quartz underneath This interference phenomenon is due to reflection and refraction on extremely thin parallel Brazil law twinning lamellae or periodic etching of defects on z faces