Boulder Opals
Harlequin Boulder Opal 14.7 ct
USD $102,900Rainbow Piano Boulder Opal 45.7 ct
USD $80,500Rainbow Gem Boulder Opal 23.5 ct
USD $38,845Top Gem Boulder Opal 80.75 ct
USD $25,105Gem Rainbow Boulder Opal 55.3 ct
USD $25,000Boulder Opal 37.1 ct
USD $13,300Blue Green Boulder Opal 23.66 ct
USD $13,300Ocean Blue Boulder Opal 29.86 ct
USD $12,515Gem Boulder Opal Specimen 178 ct
USD $12,515Green Blue Boulder Opal 71.27 ct
USD $11,155Green Blue Boulder Opal 32.86 ct
USD $11,155Gem Green Boulder Opal 13.18 ct
USD $11,000Bright Blue Boulder Opal 27.79 ct
USD $10,460Green Blue Boulder Opal 34.99 ct
USD $10,460Blue Fire Boulder Opal 28.62 ct
USD $10,460Ocean Blue Boulder Opal 36.13 ct
USD $10,050Pinfire Pattern Boulder Opal 23.67 ct
USD $9,800Turquoise Green Boulder Opal 65 ct
USD $9,660Green Blue Boulder Opal 17.13 ct
USD $8,650Pink Orange Boulder Opal 14.52 ct
USD $8,425Neon Green Boulder Opal 53.83 ct
USD $8,425Gem Boulder Opal Pair 19.65 ct
USD $8,425Gem Boulder Opal Specimen 267 ct
USD $8,425Teardrop Gem Boulder Opal 27.2 ct
USD $8,150Gem Boulder Opal Pair 5.42 ct
USD $7,700Blue Green Boulder Opal 25.66 ct
USD $6,965Multi Color Boulder Opal 6.4 ct
USD $6,965Boulder Opal
Boulder Opals are mined in the state of Queensland in Australia.
They are precious opals discovered usually inside of large Ironstone formations found in the Earth.
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