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Golden sheen sapphire, (or goldsheen sapphire) is a recently discovered variety of corundum. [2] Goldsheen sapphire has been tested and confirmed in lab reports as "natural sapphire" by GIA, GIT, GRS, AIGS, Tokio gem labs and Lotus. Goldsheen sapphire has a golden shine, almost like gold.
A rare gemstone displaying an attractive gold sheen were discovered in eastern Kenya by Tanzim Khan of Genuine Gems and Jewellery Co.Ltd. in 2009 named gold sheen sapphire which often called as golden sheen sapphire too.
What is Gold Sheen Sapphire, and why is it different from other varieties of corundum? This is an important question because gold sheen sapphire can sell for $1,000 per carat or more, yet a Google search can reveal gems claimed to be gold sheen for under $10 per carat.
Relatively unknown, Zawadi Sapphire is a beautiful, opaque gemstone characterized by an attractive bronze, golden sheen that shimmers across the gem’s dark chocolate body color. Visually unique, Zawadi Sapphire has an appearance somewhat reminiscent of the rare Black Star Sapphire from Bang Kha Cha in Thailand’s Chanthaburi Province.
Here we update the gemological and chemical characteristics of the recently examined material, and compare the information with various sapphire sources including other golden sheen sapphire data previously documented. We examined 15 cabochons, three faceted, and five rough stones (figure 1).
These 14 sapphires, weighing up to 97.69 ct each, displayed a golden sheen effect and in some cases six-rayed asterism. They possessed sufficiently large inclusion-free areas to enable good-quality spectra.
What is Gold Sheen Sapphire, and why is it different from other varieties of corundum? This is an important question because gold sheen sapphire can sell for $1,000 per carat or more, yet a Google search can reveal gems claimed to be gold sheen for under $10 per carat.
These are some tips of what to look for and what to avoid when buying Gold Sheen Sapphire: Surface Flaws – the lustre of Gold Sheen Sapphire is a major factor in the beauty of the gem. Stones should have an eye clean surface.
Recently the Gem and Jewelry Institute of Thailand’s Gem Testing Laboratory in Bangkok encountered a faceted orange sapphire with an attractive golden sheen effect that was reportedly from Kenya.
Golden Sheen Sapphire, is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3). It typically shows a metallic golden colour with common variations being brass, copper and bronze, however metallic blue, green and yellow colouration is also possible.