Prehnite

Approximate beads per strand: 75 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 per strand: 95 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...