Stromatolite | Russia | Pre-Cambrian 1.3 byo metal This item is 15” and

This item is 15” and weighs 2 oz

This item is 5" x 2

Because the barite is more durable than the sandstone

Spirit Quartz is a variety of quartz (SiO2)

Stromatolite | Russia | Pre-Cambrian 1.3 byo metal This item is 15” andPrecambrian stromatolites from the Torgo River Basin in Yakutia, Siberia, Russia, are ancient, fossilized microbial mats dating back approximately 1. 2 to 1. 3 billion years. These Mesoproterozoic, often polished specimens from the Torgo Formation represent early life forms, showing intricate, banded, and dome shaped structures. They are highly prized by collectors for their, often showing deep, earthy colors. This item is 2. 25" x 1. 25" and weighs