Rectangle shaped semi precious gemstone Included Quartz or Spotted Quartz designer cabochon 38 mm by 18 mm and 5.5 mm thick.
This one does have a natural internal fracture line-see last picture.
This is one of the cabochon stones that is actually prized for its inclusions!
This is called Spotted Quartz as it has black colored spots. The spots are Smoky Quartz!
This natural semi precious gemstone rock crystal is from Brazil.
When quartz has a brown or grayish brown shades it is called "Smoky Quartz". The color is from free silicon formed from the silicon dioxide by natural irradiation.
Metaphysical Properties of Smoky Quartz: Smoky Quartz is said to help one feel more engaged in the world and to feel capable of changing one's reality. Smoky Quartz is also said to be a grounding stone, enhancing practicality and organization.