| | Home > GemStones > Sardonyx > General > Facts | Sardonyx Facts Chemical Composition | Chemical composition is Silicon Dioxide [ SiO2] . | Colours | Main colour is orange red. Other colours are yellow, brown, purple, gray, pink and green. | Band Colours | Reddish brown, white, brown, black and many more. | Hardness | 6.5 – 7 Mohs | Specific Gravity | 2.65 - 2.66 | Refractive Index | Varies between 1.543 to 1.554 | Solid State | Translucent to opaque | Bi-refringence | 0.009 | Phenomena | None | Fractures | Very less | Enhancement | Usually it is dyes or stained. | Source | Found worldwide. Few countries to name are India, Pakistan, USA, Germany, Brazil, Mexico, Czechoslovakia and Africa. | Precautions | Avoid sharps blows , large temperatures changes and harsh chemicals. |
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Belly Button Piercing
The Egyptians, the Indians and many other cultures pierced this humble button to show the significance of the person sporting a pierced navel - Royalty, Warriors, exceptional Beauty. |
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