Chalcedony Loose Gemstones

Chalcedony is a variety of quartz, also called white agate, resembling milk diluted with water, semi-transparent or translucent, and more or less clouded with circles and spots. When found in cavities of rocks it is usually uncrystallized. It sometimes occurs in veins in rocks and in rounded, grape like masses. There are several varieties, such as the common chalcedony, agate, chrysoprase, sard, carnelian and sardonyx, each of which is described under its title.