Category:Trigonal crystal system
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This category has the following 3 subcategories, out of 3 total.
This is the current revision of this page, as edited by Forbes72 (talk | contribs) at 23:11, 23 June 2021 (create container category). The present address (URL) is a permanent link to this version.
This category has the following 3 subcategories, out of 3 total.