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May 8, 2015

Stone knowledge ..... Part 1


Granite & Marble Kitchen Benchtops, vanity tops, cladding. We also fabricate Caesarstone, Quantum Quartz, Silestone, Smart stone, Essa stone, Stone Italiana
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Granite & Marble Kitchen Benchtops, vanity tops, cladding. We also fabricate Caesarstone, Quantum Quartz, Silestone, Smart stone, Essa stone, Stone Italiana

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What are the main rock types used for dimension stone?

  1. IGNEOUS – those formed by the cooling and solidification of molten magma.
  2. SEDIMENTARY – rocks formed by the accumulation and compaction of fragments from pre-existing rocks which have been disintegrated by erosion; organic debris such as shell or coral fragments; or materials dissolved in surface waters or groundwater, which is precipitated in conditions of over saturation.
  3. METAMORPHIC – rocks formed from pre-existing rocks of any type, which have been subjected to increases of temperature or pressure or both, such that the rocks undergo recrystallisation.

Which natural stones can be classified as belonging to these groups?

  1. IGNEOUS – Granite, Basalt (Bluestone), Trachyte.
  2. SEDIMENTARY – Sandstone, Quartzitic Sandstone, Limestone.
  3. METAMORPHIC – Marble, Slate, Quartzite, Greenstone.