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2
Opal (var. Boulder Opal)
2
M
MIM Museum
0 for sale
"Yowah nut" boulder opal split in two halves of very similar sizes (130 g and 135 g) showing the opalized veins running through the ironstone matrix with green and blue reflections.
Product details
Species
Opal
About Opal →
Added on
11/10/2024
Locality
Australia
,
Queensland
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Mineral guide
Learn about Opal
amorphous silica with water and a spectacular play-of-color; black, boulder, and fire opal varieties capture brightness, color, and collecting appeal.
Regional guide
Opal from Queensland
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Opal market analytics
Jul
Oct
2026
Apr
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Oct
2026
Apr
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Median
Middle 50% range
Volume
Open detailed analytics
Price ranges · Top localities · Sold items
Sold last 30 days
2
0.0%
vs prior 30 days
Median price (30d)
$7,500.00
11.5%
vs prior 30 days
Top locality
Zacatecas
2 sales · Mexico
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