This brutalist style bracelet is probably German.

It consists of six abstract oval shaped heavily textured silver open links each set with a pyramid shaped amethyst with a blunted top.

The links are joined by textured narrow rectangular bar links with an open box clasp with a figure of eight safety fastener.

The clasp is stamped '835' for silver.

Approximate dimensions:
Length of bracelet: 7.09ins - 18cms
Weight: 2.2ozs - 61gms