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Rare Antique Australian Black Opal Oval 1920s Pendant 5mm*4mm - $69.99


For Customers outside of USA

Antique 1920's Rare Genuine (Semi) Black "Lightening Ridge" Australian Opal Oval Semi-Precious Gemstone! Mounted into high quality solid sterling silver pendant (not cheap silver plated).

ORIGIN: Lightening Ridge, New South Wales, Australia. Early 20th Century. Chain and pendant setting contemporary.

SIZE: Length: 5mm. Width: 4mm. Depth: 2mm. All measurements approximate.

WEIGHT: 0.23 carats.

NOTES: Default chain is silver electroplate 16, 18, 20 or 24 inch (provided free). Sterling silver chains are also available in lengths from 16 to 24 inches. 14kt solid gold pendant setting together with 14kt gold fill and solid 14kt gold chains in lengths from 18 to 24 inches are available upon request.

DETAIL: This is an absolutely gorgeous, natural "semi-black" opal from Australia originally produced in the 1920's. Added to our collection in the 1930's, these are very uncommon gemstones, difficult to procure. The world's entire production of gemstone quality black opal comes from one claim in Australia known as "Lightening Ridge". It is a solid black opal, of good quality, though contemporary mining techniques occasionally produce specimens with greater fire - and much, much greater price tags as well. For those unfamiliar with black opal, it is somewhat akin to, if you will image, black abalone mother of pearl - which is to say, mother of pearl with a black background. Even without direct light, there is a green-blue-violet iridescence to the black color. Then the transformation when struck by full light can be simply breathtaking, as the illumination transforms the opals into a stunning iridescent rainbow of incredibly striking colors and luminescence. If you would like to learn more about black opals, there's a very authoritative and informative article here: "http://www.opalshed.com.au/types.html".

The more expensive and high grade (up to $20,000 a carat) opals are almost psychedelic in their transfixing pattern of iridescent coloration. Under magnification the gemstone shows the unmistakable characteristics of having been hand crafted. The coarseness of the early 20th century finish is considered appealing to most gemstone collectors, and is not considered detrimental to the value of the gemstones. In fact most serious collectors consider such gemstones more desirable, possessed of greater character and uniqueness when compared to today's cookie-cutter mass-produced machine-tumbled gemstones. Unlike today's computer controlled machine produced gemstones, the cut and finish of a gemstone such as this is the legacy of an artisan who lived almost a century ago.

The setting is of contemporary origin. It is a high quality setting manufactured by one of the USA's leading semi-custom mount producers. It is constructed of solid sterling silver, and can be reset into 14kt gold if requested. The default chain is silver electroplated 24 inch. However we do have solid sterling silver (as well as 14kt gold and gold fill) chains available in lengths between 16 and 24 inches available upon request.

HISTORY: In ancient times opal was included among the noble gems and was ranked second only to emerald by the Romans, who sometimes referred to opal as the "cupid stone". The original ancient source of opal gemstones, known in Roman times, was in what is now East Slovakia. Early Arabs believed opals fell from the heavens in flashes of lightning that gave them their fiery play-of-color. Ancient Greeks, amongst many other ancient cultures, thought opals gave their owner the gift of prophecy and prevented diseases. The name "opal" is derived from the Latin "opallus", and from Sanskrit "upala", both of which translate to "precious stone". Opals are generally divided into two groups, white and black. Both share the similar appearance where a spectrum of colors can be seen in the depths of the stone. Black opal, with a body color from a dark gray to black, containing within the full play of iridescent colors, is the most valuable variety of all. For a while in the 18th and 19th centuries, opals were considered to be amongst the world's most desirable gemstones, and literally a king's ransom was on occasion paid for a particularly handsome specimen.

SHIPPING OPTIONS: All purchases are backed by an unlimited guarantee of satisfaction and authenticity. If for any reason you are not entirely satisfied with your purchase, you may return it for a complete and immediate refund of your entire purchase price. Most of these antique gemstones were originally part of two collections, one originating in India principally composed of gemstones originally mined in India, Burma, Ceylon, and Siam, and then hand faceted in India. The addition of a second accumulation of antique gemstones originally mined in the Urals in the mid to late 19th century (including alexandrite) completed the collection. These gemstones as well were hand finished. The Urals have been one of the world's major sources of precious and semi-precious gemstones for many centuries. As well, additional specimens are occasionally acquired from other institutions and dealers in Eastern Europe and Asia. These antique gemstones are now in the United States and are available for immediate delivery.

We ship inventory from the USA order fulfillment center near Seattle, Washington. Your purchase will ordinarily be shipping within 48 hours of payment. A certificate of authenticity is available upon request. We prefer your personal check or money order over any other form of payment - and we will ship immediately upon receipt of your check (no "holds"). We will accept PayPal payments. Please see our "ADDITIONAL TERMS OF SALE".