Tanzanite Lab Emerald Fire Opal 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

The emerald has been a gem of fascination for over six thousand years. It is so prized that a fine emerald may be twice as valuable as a diamond. Emerald was first translated from Sanskrit as "marakata," meaning "the green of growing things." The name we know it as now is believed to come from an ancient Persian word, "smaragdus." Over time, it was corrupted to "emerald." Records show that the stone was known and sold in markets in Babylon as early as 4000 BC. The stone was worshiped by the Incas and mentioned in biblical information about the apocalypse. The earliest reference to emeralds in Western literature comes from Aristotle. He was a great fan of the gemstone. He wrote that owning an emerald increases the owner's importance in business and gives victory in trials. It also helps settle litigation and comforts and soothes eyesight. He also stated, "An emerald hung from the neck or worn in a ring will prevent the falling sickness (epilepsy). We, therefore, commend noblemen that it... 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

Many different gemstones can be bought in today's market. There are sapphires, opals, rubies, emeralds and more. What you may not know, however, is that all of these gemstones may not be what they appear. Some gemstones on the market are not natural gemstones, and should be marked by the seller as either "lab-created" or "simulated". You may find that some of these so-called "fake" gemstones may be almost as expensive as their natural counterpoints! This may seem suspicious to you, but actually, it is an accepted practice in the jewelry trade, that is, if the "fake" is actually grown in a laboratory, which makes it quite real in fact.... learn more