Current Bid:
Minimum Bid:
Auction has ended.
Buyer's Premium: 15% will be added to the final price. A 5% cash discount reduces the buyer's premium to 10% when paying in cash.
1st Mineral/rock: Petrified wood is the result of a prehistoric tree or tree-like plant having been replaced by stone through a mineralization process. This process occurs when wood is buried under sediment, such as volcanic ash or mud, and is protected from decay. Over time, groundwater rich in dissolved minerals, such as silica, seeps into the wood's cells, depositing minerals that gradually replace the organic material. The original structure of the wood is preserved, creating a stone replica of the original plant.
This mineralization can result in a wide variety of colors and patterns, depending on the specific minerals present in the groundwater. For instance, iron oxides can create reds and yellows, while manganese oxides can produce blues and blacks. Opalized petrified wood, like what appears to be present here with the golden-yellow inclusions, occurs when opal, a hydrated form of silica, replaces the wood. This process can create beautiful, translucent specimens that are highly sought after by collectors.
2nd Mineral/Rock: An opaque type of silica that owes its coloring to inner impurities, Yellow Jasper has been a beloved carving material for millennia, used for anything from pendants to vases to ceremonial baskets. It is often used in conjunction with other gemstones or types of jasper to highlight its unique hues.
***Rock & Mineral Disclaimer***
We are not certified geologists or rock experts. Identification and information provided for the minerals and rock specimens in this auction have been obtained using a Rock Identifier app and other general resources. All descriptions are provided for informational purposes only. Buyers are encouraged to use their own knowledge, discretion, and due diligence prior to bidding, as all items are sold as-is.