GOLD SHEEN SAPPHIRE FACT SHEET
WHAT IS IT?
Gold Sheen Sapphire is a variety of corundum. It is sapphire with hematite, ilmenite and magnetite inclusions. An in-depth article was published in the Journal of Gemmology:
Gold Sheen Sapphire colours range from gold, brass and copper tones. The gem is excellent in low light, often displaying flashes of gold and copper. In strong white light or direct sunlight, fascinating geometric patterns become most apparent.
All cabochon cut Gold Sheen Sapphire displays asterism to some degree, most from weak to medium six arm star.
Gold Sheen Sapphire will often display an ‘aurora’ effect, so named because the light emitted from the gem emulates the Aurora Borealis. Some rare Gold Sheen Sapphire also display a vivid blue colour, while even rarer are pink-bronze, greens, and most rarely reds and purples.
A grading system for Gold Sheen Sapphire is published here.
WHERE DOES IT COME FROM?
Gold Sheen Sapphire was discovered from a mine in Kenya in 2009. This is the single known source of Gold Sheen Sapphire in the world.
The total yield from the mine was 25 tonnes. The mine was depleted in 2012
It has taken several years to develop the cutting techniques to display the gemstone to the best effect. Cutting an polishing is done at the cutting factory in Bangkok, Thailand.
WHO DISCOVERED IT?
Gold Sheen Sapphire was discovered by Mr Tanzim Khan of Genuine Gems and Jewellery. Mr Khan has 25 years experience in the gem industry and is a respected gem cutter and trader of rough and cut stones in Bangkok.
Genuine Gems and Jewellery own the cutting factory and developed the cutting techniques for Gold Sheen Sapphire.
Gold Sheen Sapphire and Golden Sheen Sapphire are interchangeable.
The name ‘Golden Sheen Sapphire™’ has been trademarked by Genuine Gems and Jewellery to trademark both the gemstone and cutting process of Gold Sheen Sapphire.