African Petrified Wood Agate 8mm Star Cut Coin - 15-16 Inch Size_15-22x23-33mm Rutilated Quartz is a silicon

Rutilated Quartz is a silicon dioxide mineral with unique needle to like inclusions of Rutile

2-3 medium ranging 18-25mm

white and clear stones are also seen

Zircon occurs in a variety of colors including yellow

the month the ancient Romans dedicated to Neptune

African Petrified Wood Agate 8mm Star Cut Coin - 15-16 Inch Size_15-22x23-33mm Rutilated Quartz is a siliconPetrified 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.