Crystal structure of lizardite, a sheet silicate mineral with a TO structure.
Blue: tetrahedral sites (Si), orange: octahedral sites (Mg), red: O, green: OH
The crystal structure was produced in the freeware [Vesta](https://jp-minerals.org/vesta/en/), using crystallograpic data from Mellini (1982), downloaded from the [American Mineralogist Crystal Structure Database](http://rruff.geo.arizona.edu/AMS/amcsd.php).