Opal
Specimen ID: A4-Y6H-N7
Opal : SiO2·nH2O
Mindat locality:
18.00mm x 25.07mm x ?mm
weight: 15.27 carats
The stone is actually a triplet which means that it has a backing and a "cap" attached to help show off the play of color.
Mineral(s)
8,544 gemdatids have been issued as of 1st Jul 2025 5:18 pm UTC