Onyx
About Product
Onyx of Patak mine is the result of metamorphic and recrystallized limestone and therefore has very special physical and chemical properties compared to similar rocks. Among the properties of this stone, we can mention the 97% purity of calcium carbonate, Hardness, malleability and high susceptibility, and it’s very low water and oil absorption. Experiments performed on this stone show the ability of this stone to withstand triaxial pressure of more than 1600 kg per square centimetre. Existence of high storage and health, variety of colours and designs, proximity to export terminals and desirable physical and chemical properties, this stone is among the first level stones in the country for export to European, American and Asian countries.
Types
White angel
Pure and beautiful white onyx angel stone that you don’t come across often and is relatively rare.
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Analysis
| Tehran Polytechnics (July 20th 2008) | ||
|---|---|---|
| Chemical Specification: | ||
| Specification | Unit | |
| CaO | %w | 55.68 |
| MgO | %w | 0.26 |
| CO2 | %w | 43.82 |
| H2O | %w | 0.13 |
| Laboratory Analysis Summary | ||
|---|---|---|
| ASTM D 792 | Unit | Marble |
| Specific Gravity | gr/cm3 | 2.765 |
| Water Absorption | %w | 0.053 |
| Oil Absorption | %w | 0.560 |
| CaO | %w | 55.6800 |
| SrO | %w | 0.0250 |
| MgO | %w | 0.2600 |
| P2O5 | %w | 0.0036 |
| CO2 | %w | 43.8200 |
| H2O | %w | 0.1300 |
| MnO | %w | 0.0340 |
| La & Lu | %w | 0.0170 |
| Al2O3 | %w | 0.0000 |
| K2O | %w | 0.0000 |
| Fe2O3 | %w | 0.0420 |
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