Keywords |
  • Geology,
  • Biology,
  • Botany

Columnar

A columnar element has a shape reminiscent of a column, or columella. It can be a mineral, a cell, a tree etc.

In mineralogy, a columnar facies characterises elongated shaped and small diameter minerals (e.g. tourmaline).

Columnar spruce. © DR Columnar spruce. © DR


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