Bismuth Crystal Interior Structure
This photo shows the structure of a bismuth crystal. It’s a hoppered, or stair-like, structure on the inside of a pyramid-shaped crystal. The colours are caused by a thin layer of bismuth oxide.This photo was combined from 69 individual photos using focus stacking. The field of view is about 6 mm. 

Bismuth Crystal Interior Structure

This photo shows the structure of a bismuth crystal. It’s a hoppered, or stair-like, structure on the inside of a pyramid-shaped crystal. The colours are caused by a thin layer of bismuth oxide.

This photo was combined from 69 individual photos using focus stacking. The field of view is about 6 mm.