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 OriginElements that occur in nature as minerals in uncombined form. 1 Mineral
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1. Wikipedia: Native element minerals
WikipediaLead sectionQuote, Lead section
Native element minerals are those elements that occur in nature in uncombined form with a distinct mineral structure.
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