
Quarzo tormalinato - 17.88 ct
This rare variety of quartz displays a very brilliant rainbow within it. It is an epigenetic inclusion consisting of a thin film of iron oxides that have infiltrated a healed fracture. The thickness of the film is of the same order of magnitude as the wavelength of light and thus light interference is created and the rainbow is formed. Want to go see if you find a pot of gold at the base of the rainbow?
Dimensions : 18,9x14,3x6,8 mm
Rectangular cushion, cabochon cut
Wight: 16.00 ct
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