MATTE Green Aventurine (AAA) 6mm Round - 8-Inch Obsidian Petrification occurs when the wood

Petrification occurs when the wood is covered by sedimentary rock

It was named from the Latin "Thule" - which was a term used by ancient Greeks and Romans to refer to the then-little-known lands to the north or present day Scandinavia

It is known for its abstract designs in rusty red

periwinkle

which comes in many forms and color variations

MATTE Green Aventurine (AAA) 6mm Round - 8-Inch Obsidian Petrification occurs when the woodGreen Aventurine is a green translucent quartz with glimmering metallic inclusions. Green is the most common color for Aventurine, but it can also occur as orange, brown, yellow, blue or gray. The color of Green Aventurine comes from Fushite particles within the quartz. It is known as the Stone of Opportunity, and thought to be the luckiest of all crystals.