A chrysocolla dress ringA yellow gold dress ring containing a chrysocolla random cut stone 19x11. 5mm, claw set. The gold is not stamped, but tests as 14 carat gold, overseas manufacture so no UK hallmark. Weight 6 grams. Chrysocolla is a blue green crystal with a high copper content. It is opaque in transparency with a vitreous to dull lustre Chrysocolla is a Phyllosilicate mineral often found in rounded masses, vein fillings or crusts. It is also made up of Malachite,