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953" wood fragment of the original 1923 sign salvaged during the reconstruction
The lower section of the matrix appears to contain an Alethopteris fossil as well
87" polished Cleoniceras fossil from Madagascar
making for a beautiful jewelry piece
a frill from the Triceratops
Dendrite Crystal Sandstone - SOLD 4.205" wholesale-40 953" wood fragment of theThough they may look like fossil plants, dendrites are incredible and inorganic formations that occur solely due to interactions between physics and geochemistry. These branching patterns are made of manganese oxides and commonly form on the surface of sandstones. As the manganese cools, it crystalizes into thin, tree like shapes in the same process that creates snowflakes. This specimen is a 4. 205" sandstone showcase piece that has been imprinted
