Dendritic Sandstone Pendant - SOLD 1.90" pietersite Japan on August 9

Japan on August 9

Above: Front of specimen card

32" sandstone showcase piece that has been imprinted with a manganese oxide dendrite in a branching pattern

Martian Dust Storm (Shergottite

it is the impurity that often sets the gemstone apart and makes it desirable

Dendritic Sandstone Pendant - SOLD 1.90" pietersite Japan on August 9Though 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 necklace is a 1. 90" sandstone pendant that has been imprinted with a