Polished Corvettite - SOLD 0.910" Piece Eurypterid which is a cross-section of

which is a cross-section of a steel support anchor for the mullion

on the Bridge of Sighs

this is the first set of Twain words encapsulated by Beckett they've ever offered for sale

Chondrules are made of silicate minerals and can be glassy or crystalline

Known as nacre

Polished Corvettite - SOLD 0.910" Piece Eurypterid which is a cross-section ofDuring the post war Golden Age of Automobiles, factory workers from several different manufacturers discovered something curious. During the painting process, layers upon layers of automobile paint would accumulate into a layered and beautiful material. When heated and polished, this man made "motor agate" reveals the colors of the cars that once passed through these factories. This specimen is a piece of Motor Agate called Corvettite, as it was