How does quartzite differ from a quartz sandstone?

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What are some of the structural differences between quartz and amorphous SiO-2?

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Should I go with Granite or Quartz on my countertops & Bar?

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How is Quartz (mineral) mined?

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will heated sugar and water mix make an acid to dissolve quartz?

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is sandstone rough? also is quartz very common?? any geologists out there?? i need help with my assignment!?

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how can I tell if it's quartz?

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Where Would I find a Rose Quartz Engagement ring?

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Can you give me the features of a quartz mineral?

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Has anyone ever heard of City of Quartz ? the book?

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I am looking for some quartz sand, or glistening sand, to put in a top coat of wall plaster. Any ideas?

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does anyone have any complaints with their granite countertops? how about quartz, is that better?

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Sci. & Tech. Buffs: How is electricity harnessed from quartz and do other crystals have this quality?

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What plant nutrients are released when quartz dissolves?

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what are the special properties of rose quartz?

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where can i buy quartz from?

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has any one ever heard of an Encino diamond quartz watch? men's or women's i wana know the value?

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Can quartz crystals cause negative symptoms or reactions to your health?

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Rose quartz boulders in southern Minnesota?

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How can you identify rose quartz?

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I found a chunk of quartz on a farm?

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Earth Science question .. Quartz and Galena? help!?

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borosilicate vs. quartz?

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How can you tell if a quartz sphere is real?

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time atac or look quartz... which is the better choice for xc/trail?

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How does quartz work for healing?

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Is 641.4ct big for a smoky quartz?

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What rock results from the metamorphism of quartz sandstone?

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Do quartz clocks make noise?

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Does Phantom quartz ever come in a grey or silver colour?

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