A thick layer of white “milky” opal with an opalescent line of so-called precious opal. Precious opal occurs in multiple places on the specimen. This very nice sample comes from the Slovak opal mines in Dubník.
Slovakia, Oxides, Medium
Precious opal
€388
In stock
Location: Dubník; Slovakia
Dimension: 82 × 59 × 20 mm
Weight: 104 g
