African Petrified Wood Agate 6x8mm Corner Drilled Table Cut Cube Bead - 15-16 Inch Size_8x14-16mm Terahertz is a spectacular man

Terahertz is a spectacular man made ore

The stone's composition remains somewhat ambiguous

These can also be used to cover knots and fill in gaps in your designs

The original stones were often used as protective amulets and are usually scarred or pitted in places where they were ground off for use in traditional medicines

Tourmaline and Pyrite

African Petrified Wood Agate 6x8mm Corner Drilled Table Cut Cube Bead - 15-16 Inch Size_8x14-16mm Terahertz is a spectacular manPetrified 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.