Sardonyx Stone Facts
Sardonyx Stone Facts
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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. |