raw quartzite rock stone isolated white background |
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| navigate by keyword : background black boulder brown chert close closeup crystal exposed formed geology granite high isolated macro metamorphic mineral natural nature nobody object ore pebble pressures quartzite quartzrich raw rough sandstone single stone temperatures when white |
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| Quartzite is a metamorphic rock formed when quartz-rich sandstone or chert has been exposed to high temperatures and pressures. |
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