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Two Antique Genuine Natural Russian Hand Crafted/Persian Mined "Robin's Egg Blue" Turquoise Round Semi-Precious Gemstones.

CLASSIFICATION: Gemstone Quality Turquoise Round Cabochons.

ORIGIN: 19th Century Neyshabur, Iran.

SIZE: Diameter: 3mm. Depth (Thickness): 2mm. All measurements approximate.

WEIGHT: 0.36 carats (combined weight).

NOTES: Upon request we can set your gemstones as a ring, pendant, or as earrings .

DETAIL: Here are two gorgeous gemstone quality turquoise gemstones of the most sought-after "robin blue" variety, from ancient Persian mines in modern-day Iran. This particular variety of turquoise is found only in this region of the Middle East, and these gemstones possess exceptionally vibrant blue tones. The gemstones were hand shaped and polished by 19th century Russian artisans into these vibrantly hued rounds for use in indigenous jewelry. Though Russian turquoise was and remains plentiful in Siberia, Persian turquoise was traditionally used in the most costly jewelry - highly valued for its bright blue tones. Turquoise was especially popular in Renaissance era jewelry for those of royal and noble birth - as the gemstone was quite expensive in relative terms. These two gemstones are of exceptional quality, unblemished by the inclusions which are normally found interlaced within lower grade turquoise gemstones. It is difficult to find this variety of turquoise today in the United States and Western Europe, especially of this quality, due to the limited production of the traditional sources of these gemstones within present day Iran.

Turquoise was obtained from the Sinai Peninsula before the 4th millennium B.C. in one of the world's first important hard-rock mining operations. It was transported to Europe through Turkey, probably accounting for its name, which is French for "Turkish." The sky-blue variety of turquoise, commonly referred to as robin's egg, is and historically has been the most desired variety. This variety is mined exclusively in Neyshabur, Iran. As is oftentimes seen with ancient specimens of turquoise, when exposed to sunlight or heat, this variety becomes dehydrated and turns "turquoise" green. Other less desirable deposits of turquoise are found in the Southwestern United States, the Sinai peninsula, Africa, Australia, Siberia, and Europe.

The color of turquoise ranges from blue and blue-green to greenish-gray, according to the various amounts of copper usually present. Like opals, turquoise is opaque, reflecting light from small transparent layers within the stone. Turquoise sometimes is "matrixed" with varying shades of gray, brown, or black veins due to the inclusion of various oxides. In other instances, delicate veining is present, caused by impurities (often silver), and is greatly desired by many collectors. The mineral has been valued for its ornamental properties since ancient times and has been found in neckwear and bracelets recovered with a 7,500 year old Egyptian mummy. Turquoise was commonly carved into pendants and beads by the ancient Sumerians, "founders" of modern civilization, as far back as 5,000 B.C. Some of the most splendid ancient jewelry ever unearthed by archaeologists was found in Queen Pu-abi's tomb at Ur in Sumeria dating from the 3rd millennium B.C., and in the ancient Egyptian Pharaoh Tutankhamen's tomb. Turquoise was one of the most prominent gemstones found within these tombs, including on the famous mask of Tutankhamen.

The Aztecs of Mexico also commonly used turquoise for their fine mosaic art and introduced the stone to the surrounding areas, where it became known as chalchihuitl. Turquoise was sacred to many American Indian tribes. In the ancient cultures of the Orient turquoise was thought to protect against reptile bites, poisons and eye diseases, and was thought to facilitate attunement between the physical plane and higher planes of existence. It was considered to be a protective stone, a healer of the spirit, providing soothing energy and peace of mind. On the more profane and practical side, Turquoise was also believed to bring spoils to warriors, and many kills to the hunter. Turquoise was believed to protect against falls, particularly those from horseback. Turquoise, when thrown into a river, was believed to bring rain.

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".