Kind sorts earth materials into their broadest category, such as mineral, rock or sediment. Wikipedia describes quartz as "a hard mineral composed of silica (silicon dioxide)," placing it firmly in the mineral kind rather than among rocks made of many minerals together. This dimension gives a visitor the widest possible grouping of what a material actually is.
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Formation OriginFormed by the cementation of accumulated mineral or organic sediment particles at the surface. 1 Rock
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1. Wikipedia: Sedimentary rock
WikipediaLead sectionQuote, Lead section
Sedimentary rocks are types of rock formed by the cementation of sediments-i.e. particles made of minerals (geological detritus) or organic matter (biological detritus)-that have been accumulated or deposited at Earth's surface.
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