African Petrified Wood Agate 8mm Large Hole Round - 8 Inch Size_9-12x12-18mm Iolite most commonly occurs in

Iolite most commonly occurs in shades of blue-gray

These inclusions create black and brown spots that resemble the random patterns found on its namesake

The light color indicates that it was harvested from a young tree

Historically Opal was renowned as the “Queen of Gems” for its desirability and beauty

It is not a mineral

African Petrified Wood Agate 8mm Large Hole Round - 8 Inch Size_9-12x12-18mm Iolite most commonly occurs inPetrified Wood Agate is formed from the petrifaction process of primeval trees over the course of many years. Petrification occurs when the wood is covered by sedimentary rock, as waters loosen and decompose the organic elements and replace them with silicate substances, while maintaining the wood's original structure. Preservation is enabled by a lack of oxygen.