Chalcedonies include many types of cryptocrystalline quartz gems and feature a number of different colors. Geologists can tell a chalcedony from the arrangement and structure of its crystals.

Crystals such as Rose Quartz, Amethyst, Citrine, Rhodochrosite, and Lapis Lazuli have been cherished for their ability to enhance love lives. They help attract new romance, nurture relationships ...

However, more often than not, those stones have very little resale value, though the gold they are set in is valuable. This post summarizes how to understand the value of your gemstone and the ...