- Origin: Indonesia
- Age: Miocene, 20 milion years
- Size: D21cm
- Description: 20 million years old petrified wood spehere cut and polished to reveal the beautiful growth lines and inner colour combination of beige and black tones.
- Additional information: Petrified wood consists of fossil wood, in which all organic materials have been replaced by minerals, while maintaining the structure of the wood. The fossilization process takes place under the ground, when a tree becomes buried under sediment, and may take millions of years. The smallest details can be immortalized including tree rings and various tissues cPetrified wood has a hardness of 7 on the Mohs hardness scale, the same as quartz.