US$ 42.00
The characteristic of this feldspar is a certain translucency that gives it a milky appearance
probabilmente ottenuto per trattamento di diffusione di berillio
non ne esisteranno mai copie esatte
Tourmaline gem variety "Cuprian": this is a particular type of tourmalines that contain Copper and that owe their color to this element
Tourmaline with a slightly yellow green color
Coppia di Zaffiri taglio ovale 0,71 ct totali tanzanite The characteristic of this feldsparSapphires with a light blue gray color. Probably obtained by heating. Good transparency when observed under a 10x loupe.
US$ 42.00
US$ 169.00
US$ 10.00
US$ 51.00
US$ 159.00
US$ 75.00
US$ 82.00
US$ 115.00