Dendrite from the Greek Word for 'Tree'
In geology a dendrite is a crystal with a multi-branching tree-like form. Dendritic inclusions are relatively common and can be seen in many rocks and minerals. They can also be seen as snowflake formations and frost patterns on glass windows during the cold winter months.
The word 'dendrite' comes from the Greek word 'dendron' meaning tree.
Dendritic inclusions can look very similar to organic matter so when present some rocks and minerals can initially be mistaken for fossils.