Latest news: Draw your own crystals. Go to the new crystal drawing page here: crystal drawing
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The Smorf applet is in use on these websites:

Mindat (
mineralienatlas (
The Mineral and Gemstone Kingdom (
The webste of the Instituto Gemológico Español ( (


All material on this website and webserver is copyright © 2004 - 2014 Mark Holtkamp ( This includes the program code and the crystallographic data files.
If you are interested in obtaining images or drawings, email me.


Most of the crystals are based on drawings in the "Atlas der Krystallformen" by V.M. Goldschmidt, a monumental work with more than 20.000 crystal drawings. It was published between 1913 and 1923.

The design of these pages is based on the 'Pretension!' web design template by krsna77, see