Smoky Quartz
Abstract
Description
SiO2 - Mohs Hardness: 7. Smoky Quartz is an important brown gemstone, and is used in various form of jewelry. It is especially used as ring and pendant centerpieces. Lesser quality stones, often with lighter color, are cut as cabochons or tumbled into beads. Large spheres and carvings are also cut from Smoky Quartz.
item.page.type
natural object
StillImage
StillImage
item.page.format
image/jpeg
Keywords
environmental sciences