Prehnite, 5 lb lot Coyamito Agates white and blue coloring with

white and blue coloring with banding

This is a representative image

Also includes a thorough explanation of agates and why they are unique

This specimen is a polished slab

INT187db Intarsia Drilled Bead features lavender

Prehnite, 5 lb lot Coyamito Agates white and blue coloring withPrehnite 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.