Silver set - ring and earrings with natural Teresita (satanic).
Beautiful stones! Delightful blue color!
Tengizi (from the name of the Tengiz oil field) – new jewelry-ornamental stone from the zone melting of rocks near the burning wells of oil of the Tengiz field (Kazakhstan). In the combustion process (14 months) and at high temperature of the torch from 2000 to 3100 OS (optical thermometer based on the infrared spectra) occurred melting of the near wellbore sand and clay with the formation of the lake of aluminosilicate melt with a diameter of about 100 m. From it on cooling formed rock, called tengiza. Tengiza is a man-made analogue of obsidian.
Decoration not tested.
Ring size 18mm.
The stone in the ring 26*15mm.
earring length 45mm.
The stone in the earrings 21*28mm.
The ring size can slightly increase-decrease (half-size)