Prehnite
Specimen ID: BL-QG4-7M
Prehnite : Ca2Al2Si3O10(OH)2
Mindat locality:
7.87mm x 7.87mm x ?mm
weight: 1.98 carats
This cut is referred to as a "Half-Faceted Round"
Mineral(s)
8,544 gemdatids have been issued as of 1st Jul 2025 3:11 am UTC