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4.23ctw 11x9mm Oval Nigerian Spessartite

  • Spessartite garnet, oval 11x9mm spessartite, Nigerian Spessartite
$10.00 (Fixed shipping cost)

Product Description

Product Description

Don't miss!! an exceptinal price Eye-clean Nigerian Red Spessartite garnet from our collection.





Product Information
Product Type: Single Stone Product Group: Gemstones
Primary Stone / Spessartite
Gemstone: Spessartite Gemstone Family: Garnet
Gemstone Count: 1 ct Weight: 4.23
Gemstone Shape: Oval Cut: Modified Brilliant Cuts
Primary Color: Orange Color: Redish Orange
Treatment: Untreated Country of Origin: Nigeria
Composition: Natural Dimension Type: Calibrated
Dimensions: 11x9 mm Dimension Length: 11.00
Dimension Measurement: mm Dimension Width: 9.00



Spessartite is named after the Spessart district of Bavaria, Germany, where it was first discovered. This stone usually occurs in pegmatites and metamorphic rocks. Typical of pegmatite deposits, finds are scattered and production is irregular. Crystals are more often sold to mineral collectors as specimens than to gem buyers. At first, spessartite came from only a few sources and was known more to mineral collectors than to gemologists. Although buyers eagerly demand stones from famous mines like the Little Three mine in Ramona, California, these mines have never been big producers. Other classic sources, like the Rutherford mines in Virginia, were only worked for short periods. These pegmatite deposits opened in the 1800s, operated until 1912, then closed. They operated again for a brief period in the 1950s before closing in 1960. Crystals were often large, but flawed, limiting the size of cut stones to under 10 cts. New deposits in Madagascar, Namibia, Zambia, India, Pakistan, Sri Lanka, Brazil, and especially Nigeria helped increase the supply. Pegmatite deposits in the Brazilian states of Minas Geraís and Rio Grande do Norte provide rough that can produce spectacular fashioned spessartites up to 40 cts.The Nigerian deposits—discovered in the 1990s—provided a source of highly saturated orange-yellow spessartites. These bright orange garnets were widely promoted within the gemstone trade in a range of calibrated sizes. Much of the better material was processed in the German cutting center of Idar-Oberstein.


Spessartite can range in color from a pale yellowish orange through bright orange to dark brownish red. The most favored color is a vivid “aurora red,” which is a highly-saturated, slightly reddish orange hue with medium to medium-dark tone. Very dark or very light stones are less valuable than medium to medium-dark tones. But spessartite has a lighter tone than almandite so, while large, faceted almandite garnets are almost always too dark, large spessartites can be exceptionally beautiful. A cutter can fashion large spessartite gems without any loss of brilliance or color. Although new finds have made spessartite much more available, large, fine-quality stones above three cts remain rare. As a result, prices for large, good-quality stones are high. Depending on the beauty of the stones, many collectors and custom jewelers are willing to pay that premium.




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