Opal (Var: Fire Opal)
Specimen ID: D4-91Q-T7
Mindat locality:
weight: 0.18 carats
Orange with "Contra Luz" color flash (a vibrant multi-color flash that appears like "rainbows" within the gem when it is backlit).
Size: 3.82 mm.
Mineral(s)
3,420 gemdatids have been issued as of 12th Dec 2025 7:09 pm UTC