Quartz, though, is at least a partial exception to this rule. Once its unusual electrical properties were understood, crystalline quartz was sent directly from quarries and mines to factories ...

They sealed a quartz cylinder and a specially composed ... which significantly increases the solubility of gold, far exceeding previous thermodynamic predictions. The study also noted that sulfur ...

and minerals and rocks affect landform development and form natural resources such as gold, tin, iron, marble, and granite. Silicates—including quartz, mica, olivine, and precious minerals such ...