Rebecca Zemans Jewelry Blog — patterns

An alternative birthstone for March is Jasper, a gemstone known for its many colors and its beautiful and unique patterns. Jasper is often thought to be part of the chalcedony class of gemstones. However, it can contain up to 20% foreign material, which results in the beautiful patterns. This makes Jasper considered a group of its own. The Jasper is a 6.5 on the Mohs scale of hardness, which makes it a fairly hard gemstone.  The Jasper rarely comes in one uniform color. Most of the time these gemstones have streaks or spots of other colors, which results in many names for the...