Category: Landscaping Stones - Paving Stone
Location: Iran
Material Type: Quartzite
Main Color: Grey
Surface Finish: Machine-Cut
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Reference Price: US$ / M2
Promotion/Discount Price: US$ / M2
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Andesite is an extrusive igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. In a general sense, it is the intermediate type between basalt and dacite, and ranges from 57 to 63 silicon dioxide (SiO2) as illustrated in TAS diagrams. The mineral assemblage is typically dominated by plagioclase plus pyroxene and/or hornblende. Magnetite, zircon, apatite, ilmenite, biotite, and garnet are common accessory minerals.[1] Alkali feldspar may be present in minor amounts.
