Crystal Glass Rosary Bracelet Rosary Wrap Bracelet Traces of iron in quartz

Traces of iron in quartz give amethyst gemstones their distinctive purple hue

Amethyst deposits can be found in Brazil

which is itself a form of quartz

The name Jasper comes from old French

but it is more common and therefore less expensive than its namesake

Crystal Glass Rosary Bracelet Rosary Wrap Bracelet Traces of iron in quartzIn general, manmade crystal is a glass that has had one or more of certain minerals added to a standard glass formulation to make the product more brilliant. Lead is the mineral of choice here, as lead oxide added to the molten glass gives lead crystal a much higher index of refraction than normal glass, and consequently much greater sparkle. The presence of lead also makes the glass softer and easier to cut.