Two very unusual Merlinite cabochon rings. 

Merlinite is a wonderfully varied stone consisiting of a matrix of white quartz and tree like dendrites of the mineral psilomelane . 

Merlinite is named after the magician Merlin , hence is thought to boost intuition , increase prosperity and calm the nervous system . 

Right Ring weighs 5.63 grams, stone size 2cm x 1.5cm

Left Ring weighs 5.1 grams, stone size 2.1cm x 1.4cm