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About Black Onyx Blocks :
Onyx is actually a type of marble. It is found in most of the countries where marble and travertine are extracted. Since it is a veined and fragile stone, it is difficult to remove a large-sized and clean-textured block. Therefore, although it has the same features as marble, it is more expensive. Not to mention its colorful beauty!
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Questions & Answers on Black Onyx Blocks
What the difference is between onyx and marble?
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Onyx is actually a type of marble and it has many of the same properties. The difference is the stunning patterns and veining in each slab. Onyx comes in varying degrees of patterns and a rainbow of stunning colors. Onyx is relatively soft, ranking softer than marble on the Mohs Hardness Scale, and therefore has the potential to scratch and stain. Onyx is more translucent than marble.
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How can you tell the difference between onyx and marble?
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Marble is heavier and harder than onyx. Scratch the underside of both objects with a knife. The blade should leave little or no marks on the marble surface. Since onyx is softer, traces remain on its surface. Onyx is more translucent than marble; it allows the light to pass through easily.
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What is onyx made of?
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Onyx is made of calcite, silica minerals quartz, which is the same mineral that makes up limestone, marble, and travertine.
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