Prehnite
Specimen ID: AV-324-6L
Prehnite : Ca2Al2Si3O10(OH)2
Mindat locality:
15.28mm x 15.28mm x ?mm
weight: 14.65 carats
This cut is referred to as a "Checkerboard Square Cushion"
Mineral(s)
8,544 gemdatids have been issued as of 24th Feb 2026 1:55 am UTC