African Petrified Wood Agate 8mm Star Cut Coin - 15-16 Inch destash-lhb It displays a visual property

It displays a visual property called “pleochroism

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but a form of natural Serpentine which is commonly referred to as Yellow Jade in the stone industry

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Thulite is the naturally occurring pink variety of the mineral Zoisite

African Petrified Wood Agate 8mm Star Cut Coin - 15-16 Inch destash-lhb It displays a visual propertyPetrified 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.