Crystallography Over 4,100 mineral species descriptions are included in this table of crystallography for all known valid mineral species. Keyword: amorphous , dihedagonal , diploidal , dipyramidal , gyroidal , hexagonal , isometric , pyramidal , trapezohedral trigonal web.wt.net/~daba/Mineral/crystall.html Add Url or Add Site to Submit Site to the gyroidal Directory |