Che colore è Tanzanite?
Che colore è Tanzanite?
La Tanzanite è una gemma pleocroica, o più esattamente tricroica. Questo significa che ciascun cristallo di Tanzanite ha tre colori: blu, rosso-violaceo e bruno giallo-verdino (bronzeo), la cui intensità cambia quando viene osservata da angolazioni diverse.
Qual è la gemma più grande del mondo?
È il caso del celebre diamante Cullinan, scoperto nel 1905 in Sud Africa e ricavato da un pietra preziosa di 3.106,75 carati.
Why is tanzanite better than any other gemstone?
- Saturation is the degree of intensity of the color, and tone is the darkness or lightness of this hue. A perfect tanzanite must have a very high intensity of color but a medium tone so that the sparkle isn't hindered. Along with its stunning and near perfect color comes it perfect cleavage, better than most other gemstones.
Is tanzanite worth anything?
- Tanzanite showing a noticeable green component will be worth significantly less. For richly colored AAA Tanzanite, 1ct is approximately worth $200-$350 per carat. 2ct sizes reach $400-$550 per carat. 3 carats and up will reach $500-$675 per carat. The changes taking place in Tanzania makes tanzanite a very good investment stone.
Is tanzanite a good investment?
- Tanzanite is a rare gem, and naturally is very precious and expensive. Its beauty, value, and the fact that it is not available in abundance, have led traders and merchants to believe that it would probably be a good investment. However, this needs to be carefully thought over and involves a number of factors.
Why is tanzanite rare than diamond?
- Tanzanite's single source and limited supply mean that it is at least one thousand times rarer than diamond. Millions of years ago, massive tectonic plate activity and intense heat formed Mount Kilimanjaro.
