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Sergeu [11.5K]
3 years ago
7

Quartz when heat and pressure are apllied to it

Chemistry
1 answer:
S_A_V [24]3 years ago
3 0
If you melt and cool silicon dioxide under very special conditions 
<span>in the laboratory we can grow a single </span>crystalline<span> form of </span>
<span>silicon dioxide that we call quartz. In quartz crystals all of </span>
<span>the molecules are aligned and bonded together in a regular three </span>
<span>dimensional tetrahedral structure forming a very hard, transparent </span>
<span>material with special electronic properties. </span>
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