Silicates—including quartz, mica, olivine, and precious minerals such as emeralds ... Uncut gems often look fairly ordinary–like rocks. It's only when they are cut and polished that they ...

Quartzite’s patterns can look like stripes, swirls, or little brushes of mineral quartz, and they can appear more bold or light. Quartzite also comes in a variety of hues, from white ...

Quartzite’s patterns can look like stripes, swirls, or little brushes of mineral quartz, and they can appear more bold or light. Quartzite also comes in a variety of hues, from white ...

Quartz is the second-most abundant mineral in the continental crust ... Synthetic quartz crystals look nothing like their natural counterparts; rather than the long hexagonal body and pyramidal ...

China recently discovered a new mineral species — high-purity quartz, the CCTV News reported on Thursday, saying that this discovery is expected to reduce the country's heavy reliance on imports ...