WHAT IS PIPE CRYSTAL BOULDER OPAL?

Pipe Crystal Boulder Opal is a type of boulder opal that has only been found exclusively in Queensland, Australia to date. It is formed in round tubular holes in boulder sandstone rocks. Usually, the darker the sandstone, the darker the colours are in the opal.Read More

Showing 1–16 of 75 results

Show sidebar
Close

11.3 Carats Rainbow Flash Pipe Crystal Boulder Opal

$235.00 USD

In stock

96.4 Carats Wood Fossil Replacement Boulder Opal
Close

96.4 Carats Wood Fossil Replacement Boulder Opal

$155.00 USD

In stock

59.9 Carats Wood Fossil Replacement Boulder Opal
Close

59.9 Carats Wood Fossil Replacement Boulder Opal

$135.00 USD

In stock

61.4 Carats Wood Fossil Replacement Boulder Opal
Close

61.4 Carats Wood Fossil Replacement Boulder Opal

$125.00 USD

In stock

86 Carats Wood Fossil Replacement Boulder Opal
Close

86 Carats Wood Fossil Replacement Boulder Opal

$285.00 USD

In stock

68.9 Carats Wood Fossil Replacement Boulder Opal
Close

68.9 Carats Wood Fossil Replacement Boulder Opal

$365.00 USD

In stock

64.5 Carats Wood Replacement Boulder Opal
Close

64.5 Carats Wood Replacement Boulder Opal

$385.00 USD

In stock

13.8 Carats Gorgeous Wood Replacement Boulder Opal
Close

13.8 Carats Gorgeous Wood Replacement Boulder Opal

$89.00 USD

In stock

29.7 Carats Gorgeous Wood Boulder Opal
Close

29.7 Carats Gorgeous Wood Boulder Opal

$195.00 USD

In stock

11.5 Carats Beautiful Wood Boulder Opal
Close

11.5 Carats Beautiful Wood Boulder Opal

$75.00 USD

In stock

78 Carats Gorgeous Wood Replacement Boulder Opal
Close

78 Carats Gorgeous Wood Replacement Boulder Opal

$275.00 USD

In stock

MM263
Close

72.6 Carats Beautiful Koroit Boulder Opal

$275.00 USD

In stock

Wood Boulder Opal Stone
Close

Wood Boulder Opal Stone

$235.00 USD

In stock

Pretty Wood Replacement Boulder Opal
Close

Pretty Wood Replacement Boulder Opal

$345.00 USD

In stock

Beautiful Wood Replacement Boulder Opal
Close

Beautiful Wood Replacement Boulder Opal

$255.00 USD

In stock

Gorgeous Wood Replacement Boulder Opal Stone
Close

Gorgeous Triangular Wood Replacement Boulder Opal Stone

$325.00 USD

In stock