Tanzanite Fire Opal Peridot Necklaces in 14K Gold

Tanzanite is a member of the mineral family zoisite, which has been known about for nearly two centuries. Zoisite occurs in a number of varieties, the most sought after being tanzanite. This mineral family was named zoisite in 1805, some time after the Austrian scientist Baron Siegmund Zois von Edelstein (1747-1819) had identified the mineral in the Saualpe Mountains of Carintha, Austria. Siegmund Zois von Edelstein operated an iron mine in the Karawanken Mountains in Karnten Austria and encountered the mineral on his own property. Centuries later, the discovery of a bright blue transparent variety that we now know as tanzanite, created a lot of excitement in the specialist world.... learn more

Mexican fire opals are named for their uniform flaming orange or cherry red body color. They are always very brightly colored, and can be a little bit cloudy to almost perfectly transparent. Transparent specimens have a good luster. Like the traditional opal, fire opals can occasionally display signs of iridescence in very bright light. Fire opals have a very low density, lower than that of glass, with which it is sometimes confused. Fire opals, like other opals, are relatively hard, rating a 5.5 to 6.5 on the hardness scale.... learn more

Peridot is named after the French word peritot, meaning gold, because the mineral can vary towards this color. Peridot is the birthstone for the month of August. It is also the stone given to celebrate the 16th year of marriage. Peridot has a very long written history. Ancient papyri record the mining of these stones as early as 1500 BC. The main source of peridot in the ancient world was Topazo Island (now Zabargad or St. John's Island) in the Egyptian Red Sea. In Ancient times, peridot stones were used for carved talismans. Island habitants were forced to collect the gems for the Pharaoh's treasury. Legend says that jealous watchers who had orders to put to death any trespassers guarded the entire island. The story continues that the miners worked in the daytime as well as night, as the gems could be found after nightfall due to their radiance. The miners would mark the spot at night for retrieval the following day.... learn more