Gemstone Index -- Natural boulder, matrix, and Yowah opals

 Boulder Opal  22x16x14mm  25.85cts from Australia drilled hole in back (4316)

Boulder Opal 22x16x14mm 25.85cts from Australia drilled hole in back (4316)

$64.99 38m
Boulder Opal Free Form over 27cts. from Australia  (4320)

Boulder Opal Free Form over 27cts. from Australia (4320)

$69.00 52m
1.11Ct UNIQUE RAREST ! NEON PINK GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL

1.11Ct UNIQUE RAREST ! NEON PINK GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL

$9.99 1h 12m
111ct Australian Yowah Nut Opal Specimen

111ct Australian Yowah Nut Opal Specimen

$36.00 1h 15m
23.5ct Full Australian Yowah Nut Opal Specimen,  collectors item

23.5ct Full Australian Yowah Nut Opal Specimen, collectors item

$36.00 1h 15m
Pretty Picture Stone Opal,  part of a Yowah Nut

Pretty Picture Stone Opal, part of a Yowah Nut

$36.00 1h 15m
6.58Ct Outstanding Oval cut 21 x 15 mm AAA 100% Natural Rainbow Matrix Opal

6.58Ct Outstanding Oval cut 21 x 15 mm AAA 100% Natural Rainbow Matrix Opal

$16.24 1h 15m
63.92Ct Phenomenal Pear cut 41 x 29 mm AAA 100% Natural Rainbow Matrix Opal

63.92Ct Phenomenal Pear cut 41 x 29 mm AAA 100% Natural Rainbow Matrix Opal

$97.49 1h 15m
62.5ct Australian Queensland Boulder Opal Specimen

62.5ct Australian Queensland Boulder Opal Specimen

$36.00 1h 15m
2.2 ct natural solid Queensland boulder opal gem from Australia by Biro Opal

2.2 ct natural solid Queensland boulder opal gem from Australia by Biro Opal

$212.56 1h 22m
8.00Ct Best Octagan cut 25 x 13 mm AAA 100% Natural Rainbow Matrix Opal

8.00Ct Best Octagan cut 25 x 13 mm AAA 100% Natural Rainbow Matrix Opal

$16.24 1h 24m
0.79Ct UNIQUE RAREST !! NEON PINK GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL

0.79Ct UNIQUE RAREST !! NEON PINK GREEN BLUE FLASHY AUSTRALIAN BOULDER OPAL

$9.99 1h 26m
5.72Ct Dazzling Trillion cut 19 x 17 mm AAA 100% Natural Rainbow Matrix Opal

5.72Ct Dazzling Trillion cut 19 x 17 mm AAA 100% Natural Rainbow Matrix Opal

$16.24 1h 26m
20.91 CT BOULDER OPAL 100% NATURAL GIE Certified AAA+ Best Quality Awesome Gem

20.91 CT BOULDER OPAL 100% NATURAL GIE Certified AAA+ Best Quality Awesome Gem

$94.99 1h 41m
1.32Ct WORLD CLASS OPAL ! METALLIC BLUE GREEN FLASHY AUSTRALIAN BOULDER OPAL

1.32Ct WORLD CLASS OPAL ! METALLIC BLUE GREEN FLASHY AUSTRALIAN BOULDER OPAL

$9.99 1h 45m