Number 8 Turquoise Cabochon

Light blue turquoise shines through the brown matrix on this rectangular Number 8 mine cabochon. It weighs 4.29 grams (21.45 carats), measures 23 x 18 x 6mm, is polished on all sides and has been professionally stabilized.

Number Eight turquoise is a highly prized variety of Nevada turquoise whose availability is limited because it has not been mined since the 1970s. Specimens generally feature soft blue turquoise in a spiderweb pattern popping out from a brown matrix.