11-17. Aragonite #6.
From a resource by A Dal Negro and L. Ungaretti.
Refinement of the crystal structure of an aragonite from Vertaizon-Alvernia, France.
11-16. Aragonite #5.
For some reason 11-16 is not showing. Since I can’t break the blog structure, here it is along with 11-17 – Crystal structure of the Aragonite.
From a resource by Y. Ye, J. Smyt, and P. Boni