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Onyx, Flat Oval, 16x12mm

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Onyx is a variety of Chalcedony from the Quartz family, easily identifiable by its jet black colour and highly polished surface. These onyx have been treated with a dyeing process to uniform the black colour tones of the stone. Onyx has generally been known as a stone of protection and is excellent for promoting strength and improving self confidence and wise decision making. This flat oval onyx measures 16mm x 12mm. Onyx has a hardness of 6.5 - 7 on the Mohs scale and a specific gravity of 2.55 - 2.7. Please note that due to the nature of the stone, each oval is unique so colours will vary and slight natural inclusions are sometimes faintly visible. Care: As with all gemstones, care must be taken. It is not advised to place onyx stones in an ultrasonic, steam cleaner or chemical cleaning solution. Onyx can be easily cleaned with a warm soapy water mix or an untreated cloth. It is advised to avoid exposing onyx to prolonged periods of heat and light. A slight tolerance of +/- 0.25mm should be expected with these stones and these onyx are sold individually. Oval flat (flat backed) Natural gemstone Hardness: 6.5 - 7 on the Mohs scale Healing properties: Physical and Emotional Strength, Protecting

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Trusted Customer
1 year ago
Date of purchase: 24/06/2024
Onyx, Flat Oval, 16x12mm
Perfect. No defects
FI
Fiona
6 years ago
Date of purchase: 24/01/2019
Onyx, Flat Oval, 16x12mm
As above! Thanks for all your help
About Cooksongold.com
For over 20 years Cooksongold have led the way in providing high quality professional jewellery making products at affordable prices. From gold, silver, platinum and palladium bullion to the industry's leading jewellery tools and more.
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59-83 Vittoria Street, Birmingham, West Midlands, B1 3NZ, United Kingdom
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About Cooksongold.com
For over 20 years Cooksongold have led the way in providing high quality professional jewellery making products at affordable prices. From gold, silver, platinum and palladium bullion to the industry's leading jewellery tools and more.