It is a clear and perfectly formed crystal

ma il padiglione appare bombato: una tecnica di taglio che serve a trattenere maggior peso

Zaffiro dal colore giallo arancio

Opalescence is visible where the gem has grown between the cracks in the matrix

Lemon quartz with a fairly regular cut

Ametista taglio goccia cabochon 43,70 topazio incolore It is a clear andLarge semi transparent Amethyst cabochon, with color zoning and clear cleavage and crystallization planes; which are characteristic of the trapiche variety of this gem. Beautiful color in its non uniform distribution, which perfectly follows the contours of what in gemological jargon is called "Brazilian Twinning Law"