3.73ct Natural Black Opal – Vivid Rainbow Fire
Opal Details:
Type: 100% Natural Solid Black Opal, Untreated, Polished
Origin: Lightning Ridge, NSW, Australia
Dimensions: 19 × 11 × 3.5 mm (approx.)
Weight: 3.73ct (approx.)
33ct Double Sided Natural Koroit Boulder Opal
AU$610100% Natural, Untreated, Polished
Dimensions : 26x23x7 mm
Weight: 33 ct
Source: Koroit, QLD, Australia
(Size and weight are approximate)