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This Sapphire:
Panned out of the Umba River in Tanzania on the 3rd January 1990, this extraordinary Sapphire was found in the gem gravels that were prevalent in the river in those days. It is an exciting piece. It exhibits a true color change from an intriguing purple in daylight to a wonderful red in incandescent light. Completely untreated - no heat or any other treatment, which is unusual in today's Sapphire market. An extraordinary gemstone.
Caring for Sapphires
Sapphires are 9 on the Mohs Scale, and are typically very durable.
For cleaning, it is best to use warm soapy water and a soft cloth. As with most gemstones, avoid ultrasonic cleaners and steamers, especially with fracture-filled star sapphire; vibrations and heat can damage stones.
Always remove gemstone jewellery or gemstones before exercising, cleaning or engaging in harsh physical activities. Do not expose star sapphire gemstones to acid and store them away from other gemstones to avoid scratches.
Gem report
Mining Report
Colour Change Sapphire
