Silicates—including quartz, mica, olivine, and precious minerals such as emeralds ... Minerals and gems are classified by their physical properties, including hardness, luster, color, density ...

Quartz Mountain Resources Ltd. engages in the acquisition, exploration, and development of mineral properties in British Columbia, Canada. The company explores for gold, silver, and copper deposits.

Once its unusual electrical properties were understood ... treatment with various acids to dissolve away unwanted minerals, quartz lascas can be shipped off to manufacturers who specialize ...

The “quartz-monitor” research project investigates the intrinsic chemical variations of detrital monocrystalline quartz and inclusions (mineral and melt) as an innovative sediment provenance tool. The ...