Prehnite Tumbled Stone Crystal Sphere hard for so metallic a

hard for so metallic a mineral

closes on a deeper balsamic register

resilient presence

This 820g geode from Uruguay blends the raw texture of its natural outer form with a structured

Prehnite Tumbled Stone Crystal Sphere hard for so metallic aPrehnite small tumble polished stones of pale celadon to yellow green, translucent and lit from within like sea glass, the first mineral named after a person. Sold in a small set. From Mali. It is a calcium aluminium silicate that grows in the gas cavities of volcanic basalt; light passes a little way in and scatters, giving the clouded, lit from within look often compared to sea glass. Named in 1788 after Colonel Hendrik von Prehn, the first mineral