Opal
Specimen ID: BT-EAF-0U
Opal : SiO2·nH2O
Mindat locality:
10.02mm x 7.12mm x ?mm
weight: 2.27 carats
This cut is referred to as a "Cut Corner Rectangle"
Mineral(s)
8,544 gemdatids have been issued as of 16th Jun 2025 5:21 am UTC