All in all, we now know about all the types; we looked at different types of pretty rocks called quartz. These gems, like amethyst, citrine, and rose quartz, are unique and beautiful in their ways.

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.

WACO, Texas (KWTX) - A couple from Dallas has spent the past couple of years traveling around the country sharing their passion for unique rocks and gemstones, and this weekend they were in Waco ...