Costa Esmeralda Granite From Iran | Color Sample & Information | Eurasian
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Costa Esmeralda Granite : Iran

Please note that these are average samples only. Your monitor settings may affect appearance.

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Costa Esmeralda Granite Image

Costa Esmeralda Granite

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Synonyms:

Location: Costa Esmeralda granite is quarried in Iran. This is the original Costa Esmeralda with two known look-a-likes, one from Brazil and one from Italy.

Description: Costa Esmeralda granite is a medium-grained, light green epidote gneiss. This stone internationally may be nominated as a granite but in the area of application of the European Standard this stone must be nominated as a gneiss.

The veining and colour varies considerably and a small sample of Costa Esmeralda granite may not be representative of the whole slab therefore swatch samples must be approved for large projects to ensure that the blocks are all extracted from the same quarry face for matching purposes. Ideal for both interior and exterior use, Costa Esmeralda granite is frost free and polish constant.

Mineral Composition:

Physical Characteristics:
Compression tensile strength: 2240 kg/cm2
Unitary modulus of bending tensile strength: 160 kg/cm2
Water imbibition coefficient: 0.001600
Impact strength: 52 cm
Mass by unit of volume: 2735 kg/m3

Gneiss: A common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Gneissic rocks are usually medium to coarse-foliated and largely recrystallized but do not carry large quantities of micas, chlorite or other platy minerals. Gneisses that are metamorphosed igneous rocks or their equivalent are termed granite gneisses, diorite gneisses, etc.

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