Prehnite

Approximate beads in per strand: 26 What is it: Prehnite occurs in the veins and cavities of volcanic rock. Prehnite is often cut and polished into cabochons, but highly transparent prehnite is quite often faceted. History: Prehnite was first was...

Approximate beads in per strand: 65 What is it: Prehnite occurs in the veins and cavities of volcanic rock. Prehnite is often cut and polished into cabochons, but highly transparent prehnite is quite often faceted. History: Prehnite was first was...