04-23. Garnet #1.

Just in time to celebrate Earthday weekend – a bouquet of garnets!

341 atoms, 538 bonds, 99 polyhedra went into the structure of that feisty little mineral.

Garnet will be the mineral of week #17 in this 52 weeks tour of the geometry of nature. Garnet is a set of closely related minerals – more than twenty categories that result in gemstones in almost every color. Their crystal belongs to the cubic system, built around three axes that are all of equal length and perpendicular to each other.  

Last January, I explored a rhodonite crystal, one of the subcategories of the garnet family. This time I’ll look into the generic structure of the mineral.

Garnets can be found all over the world. Some carved ones were found in the former Czechoslovakia or Egypt as far back as the Bronze Age. They were used in Sumer as well as Sweden before 2000 B.C. Native American Indians, South American Indians, Aztecs, and Mayans used it as a sacred stone.

This first visualization was extracted from a resource by Fujino, Momoi, Sawamoto and Kumazawa.


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