What is bi Colour tanzanite?

Sometimes known as ‘Chameleon’, Bi-Colour Tanzanite combines the rich blues of Tanzanite with a secondary green hue. An incredibly rare gem, Bi-Colour Tanzanite is ten thousand times rarer than a Diamond.

Is tanzanite cabochon valuable?

Tanzanite cabochons are widely used in silver jewelry because of their medium price range. Tanzanite cabochons start from 2 USD per carat and go up to 25 USD per carat depending on quality and size.

Where does the blue color in tanzanite come from?

The blue color comes from trace amounts of vanadium in its mineral structure. The blue or bluish purple color of natural tanzanite gems can be improved in a lab by heating the tanzanite stones to 600 degrees Celsius for a small amount of time. What colors does Tanzanite come in?

How much does a carat of tanzanite cost?

The current price and value for Tanzanite changes based on the weight. Tanzanite showing a noticeble green component will be worth significantly less. For richly colored AAA Tanzanite, 1ct is approximately worth $300-$425 per carat. 2ct sizes reach $450-$650 per carat. 3 carats and up will reach $650-$750 per carat.

Who is the owner of the 166 MM Barchetta?

Ferrari expert and 166 MM owner David Seielstad has called it “the first beautiful Ferrari and fundamental to the brand’s success,” and he continues, “its styling was unlike anything before and has influenced the design of vehicles from the AC Bristol to the latest Ferrari California.”

Which is a better color tanzanite or zoisite?

Tanzanite has had a rapid rise to prominence among jewelers and gem enthusiasts. Although naturally reddish brown, this transparent zoisite variety achieves a stable, beautiful blue to violet color with heat treatments. In general, tanzanites showing more blue are valued higher than those showing more violet. Medium dark colors are the ideal.