Australian Black Opals: Making Waves with Collectors
Invaluable
JULY 7, 2025
Sold for $85,000 HKD via Bonhams (November 2022). Black opals need very specific geological conditions to form, which adds to their scarcity. What to Look Out For Hunting out a high-grade black opal as a collector, involves a careful checklist across the categories of brightness, pattern, shape and provenance.
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