Agatized Coral, Tumbled Stone, 1 lb lot Obsidian This specimen features various shades

This specimen features various shades of red and blue banded agate with a white center

57mm x 22mm

The back side is treated with resin for strength

INT142db Intarsia Drilled Bead

some need treating for best results

Agatized Coral, Tumbled Stone, 1 lb lot Obsidian This specimen features various shadesThe size ranges from 0. 25" to 1. 75" Agatized coral forms through a process similar to petrified wood. Decaying organic material is replaced with a silica rich solution which, under pressure for thousands of millennia will grow into various chalcedony formations. The colors comes in various shades of orange and yellow with some whites and grays.