Prehnite, 5 lb lot Coyamito Agates Forged of one piece tool

Forged of one piece tool steel with a super tough shock resistant grip

polished to a high shine

These geodes have a white or cream thin outer matrix that is easy to break

white and blue coloring with banding

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

Prehnite, 5 lb lot Coyamito Agates Forged of one piece toolPrehnite 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.