high quartz

high quartz

[′hī ¦kwȯrts]
(mineralogy)
Quartz that was formed at high temperatures.
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References in periodicals archive ?
High quartz levels lower the CTE, in some cases by more than half versus traditional mould compounds.
The volcaniclastic country rocks display brittle fracture and have high to very high quartz and quartz-carbonate vein densities.

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