CHRYSOCOLLA STONE -USA – 17.45 CTS[MX9643]

Description

CHYSOCOLLA 

This is a natural untreated stone from a  cooper mine in Tucson Arizona usa. It is well polished and ready for setting. 

SIZE :  23 X 14 X 5  MM APPROX

WEIGHT: 17.45 CTS  APPROX

CHRYSOCOLLA HAS AN ATTRACTIVE BLUE-GREEN COLOUR AND IS A MINOR ORE OF COPPER,HAVING A HARDNESS OF 2.5 TO 3.5 . IT IS TYPICALLY FOUND AS GLASSY BOTRYOIDAL OR ROUNDED MASSES AND CRUST, OR VIEN FILLING. BECAUSE OF ITS LIGHT COLOUR, IT IS SOMETIMES CONFUSED WITH TURQUOISE.