Inclusions and trapped gasses can turn quartz translucent (milky quartz) and natural irradiation can even act on stray aluminum in the crystal matrix and turn it gray (smoky quartz). Natural ...

These inclusions are typically needle-like ... experts attribute a variety of physical benefits to rose quartz, too.

Moss agate, a mesmerizing variety of chalcedony, has long captivated the hearts and imaginations of crystal ... variety of ...