A collection of twenty black opals with green-blue fire, many matched pairs, includes full gem, on potch, crystal. 81.49 cts. TW, largest pair weighs 7.66 cts. TW. A pair of 10.5 mm round brilliant cut fire opals weight 6.49 cts. TW.
Auctioneer:
Rago Auctions
Date:
2016-12-04
UNMOUNTED OPAL CABOCHONS Thirty stones include black opals, boulder opals and white opals. 58 cts. TW. Read more…
Auctioneer:
Rago Auctions
Date:
2008-06-14
UNMOUNTED MATRIX OPALS Tablet-form Tanzanian black matrix opal, 16.5mm x 4mm, 13.28 cts.; six matrix opals, largest 31mm x 15mm, 114 cts. TW; two rough Read more…
Auctioneer:
Rago Auctions
Date:
2009-08-07
THREE UNMOUNTED OVAL GRAY/BLACK OPALS Mintubi blue/green, 26.5mm x 18.5mm, 19.40 cts., ca. 1906; Lightning Ridge blue/green, 16.5mm x 12mm, 6.4 cts., ca. 1904; Lightning Read more…
Auctioneer:
Rago Auctions
Date:
2008-12-07
Of oval and roundish shapes, 85.39 cts. TW. The largest pair 28.8 cts. TW (one displays some red-orange fire) 18 x 22 mm and 23.5 Read more…
Auctioneer:
Rago Auctions
Date:
2016-12-04
containing two oval black opals weighing approximately 2.00 carats total and four round brilliant cut diamonds weighing approximately 0.06 carat total. 1.10 dwts. Read more…
Auctioneer:
Leslie Hindman Auctioneers
Date:
2009-12-07
UNMOUNTED OPALS Twenty-eight gems, black, white, matrix and boulder opals, some matched pairs, most Australian. Various cuts include a pair of scarab-carved gems. Approx. 122 Read more…
Auctioneer:
Rago Auctions
Date:
2009-12-06
UNMOUNTED OPALS Twenty-four gems, black, white, matrix and boulder opals, some matched pairs. Most Australian, Queensland, Lightning Ridge, Anda Mooka, etc. Approx. 113 cts. TW." Read more…
Auctioneer:
Rago Auctions
Date:
2009-12-06
COLLECTION OF UNMOUNTED OPALS Mixed sizes and shapes including black, jelly, boulder, matrix, fire and white, etc. Approx. 112 cts. TW. Note: Unmounted gemstones from Read more…
Auctioneer:
Rago Auctions
Date:
2010-12-05
UNMOUNTED GEMSTONES AND PEARLS Pair of spherical black South Sea pearls, 15mm, good luster; two cat"s eye chrysoberyls, each approx. 9mm, 11.35 cts. TW.; Mexican Read more…
Auctioneer:
Rago Auctions
Date:
2008-12-07
UNMOUNTED AUSTRALIAN GEMSTONE OPALS Ten stones in black, grey and light body colors, lively pinfire effects. Largest: 23mm x 19mm, 23 cts. 62 cts. TW. Read more…
Auctioneer:
Rago Auctions
Date:
2008-12-07
