Permineralized Sparklewood - 3.042" showcase2025sale30 "Rapid Cooling of Planetesimal Core-mantle

"Rapid Cooling of Planetesimal Core-mantle Reaction Zones from Mn-Cr Isotopes in Pallasites

Formed by layers of automobile paint built up over time on machinery

This specimen is a 124-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

The setting is sterling silver with an open back to allow for inspection of the meteorite from all directions

This makes the bag highly reactive to punches

Permineralized Sparklewood - 3.042" showcase2025sale30 "Rapid Cooling of Planetesimal Core-mantleSparklewood is our fancy name for the glimmering, fossilized wood that comes from deposits near Zwenkau, Germany. It is truly a sight to behold and it comes in two distinct forms: Mummified and Permineralized. The Permineralized form is infused with so many druzy crystal inclusions that they shimmer in the light, while the Mummified form exhibits a deeper color that is subtle and contemplative. Both forms are incredibly light and beautiful. This