What is Black Opal?
“Black opal” is a term used for opal with a dark body color, often black or dark gray. The time is also used for opal with a dark blue or dark green body color. The dark body color often makes the fire of black opal more obvious.
Black Opal South Africa Contact Details
Address
Silver Lake Trading 124 (Pty) Limited
No 81 Unit 2 Deco Showrooms
Northlands Deco Park, New Market Street
Northriding
Phone: (+27) 011 462 5321
Email: General: info@blackopalsa.co.za
Delivery: delivery@blackopalsa.co.za
Sponsorship/PR Queries: karen@blackopalsa.co.za
What is so special about black opal?
Unlike ordinary opals, black opals have carbon and iron oxide trace elements present, which cause the unusual darkness of the stone.
Because of their dark body tone, the rainbow colors in a black opal stand out much better than lighter opals.
How strong is black opal?
Strength. Black Opal – Black opal, along with white opal, is classed as having a hardness of 5.5 to 6.5 on Moh’s scale of hardness. (Diamonds being 10) Therefore it is a relatively fragile stone, with a similar hardness to glass.