Hexagonal Trapezohedral
If you would like to learn the user interactive features of the LiveGraphics3D ... Planes. 2-Fold. 3-Fold. 4-Fold. 6-Fold. 6. 0. 0. 1. 0. 0. This page was ...
http://members.tripod.com/shiner17/Crystals/BravaisLattice/Hexagonal/PointGroups/HexagonalTrapezohedral.htm - k - In Cache

Mineral Habits of the C.E. Duff and Son Quarry
C.E. Duff and Son, Duff Quarry, Duff's, Ohio Minerals ... at the Duff Quarry is the Diploid(F), usually with Trapezohedral(G) modification. ...
http://vasichkominerals.com/Dufflatest.html - k - In Cache