Zeta Brown Granite From Brazil | Colour Sample & Information | Eurasian
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Zeta Brown Granite : Brazil

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

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Zeta Brown Granite Image

Zeta Brown Granite

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Synonyms: Cafe Royal, Royal Coffee, Zeta Gold

Location: Zeta Brown granite is assumed to be quarried in Brazil.

Description: Zeta Brown granite is a coarse-grained, brown monzonite. 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 monzonite. Ideal for both interior and exterior use, Zeta Brown granite is frost free and polish constant.

Mineral Composition:

Technical and Physical Characteristics:
Compression tensile strength: 2326 kg/cm2
Tensile strength after freeze-thaw cycles: 2181 kg/cm2
Unitary modulus of bending tensile strength: 143 kg/cm2
Heat expansion coefficient: 0.0050 mm/mC
Water imbibition coefficient: 0.001300
Impact strength: 82 cm
Frictional wear: 0.70 mm
Mass by unit of volume: 2540 kg/m3

Monzonite: An intermediate igneous intrusive rock composed of approximately equal amounts of sodic to intermediate plagioclase and orthoclase feldspars with minor amounts of hornblende, biotite and other minerals. Quartz a minor constituent or is absent; with greater than 10% quartz the rock is termed a quartz monzonite. If the rock has more orthoclase or potassium feldspar it grades into a syenite. With an increase of calcic plagioclase and mafic minerals the rock type becomes a diorite.

Quartz Monzonite: (Or adamellite) is an intrusive igneous rock that has an approximately equal proportion of orthoclase and plagioclase feldspars. The plagioclase is typically intermediate to sodic in composition, andesine to oligoclase. Quartz is present in significant amounts. Biotite and/or hornblende constitute the dark minerals. Quartz monzonite porphyry is often associated with copper mineralization in the porphyry copper ore deposits. Because of its coloring, it is often confused with granite, but whereas the mass of granite is 20% quartz, quartz monzonite is only 5-20% quartz.

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