Caused by links an earth material to the physical condition that produces its particular form. Wikipedia notes that quartz shifts between its two crystal forms because "the transformation from alpha-quartz to beta-quartz takes place abruptly at 573 degrees Celsius," heat alone deciding which form exists. This dimension groups materials that share the same underlying physical cause.
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Formation OriginSulfide (S2-) or disulfide (S2-2) as the major anion. 1 Cause
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1. Wikipedia: Sulfide minerals
WikipediaSulfide minerals, lead sectionQuote, Sulfide minerals, lead section
The sulfide minerals are a class of minerals containing sulfide (S2-) or disulfide (S2-2) as the major anion.
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