Prehnite, 5 lb lot From Asia Chapter 16: Almost Geodes: Concretions

Chapter 16: Almost Geodes: Concretions and Septarians

yet the level of detail and the depth of research make it an invaluable resource for the most experienced stone practitioners

some need treating for best results

Size range: 2 - 20 lbs

making professional-level knowledge accessible to readers of all experience levels

Prehnite, 5 lb lot From Asia Chapter 16: Almost Geodes: ConcretionsPrehnite is a silicate mineral and this lot comes from Australia. It usually displays a unique green lime coloring on the inside, but can also display yellow, white, grey, and colorless. The picture in the lower right shows what the material looks like cut and polished. Pieces in the lot range from 1" 3" Learn more about Prehnite on our mining page.