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Trapezoedre hexagonal.png - Mahlerite
Scalenoedre ditrigonal.png - Mahlerite
Trapezoedre trigonal.png - Mahlerite
Trapezoedre tetragonal.png - Mahlerite
Scalenoedre tetragonal.png - Mahlerite
Triclinic crystal structures.JPG - Ra'ike
Cave Calcite cor.jpg - VikSl
Scalénoèdre ditrigonal.svg - Bvs-aca
Trapézoèdre tétragonal.svg - Bvs-aca
Crystal 2 (PSF).png - Editor at Large
Crystal 3 (PSF).png - Editor at Large
Brockhaus and Efron Encyclopedic Dictionary b19 187-5.jpg - ButkoBot
Britannica Flor-spar Cube.png - Bob Burkhardt
Britannica Flor-spar Interpenetrant Cubes.png - Bob Burkhardt
PSM V29 D057 Crystals of diamond hematite and calcite.jpg - Ineuw
PSM V29 D058 Crystal of cassiterite with two dimetric systems of crystallization.jpg - Ineuw
PSM V29 D058 Crystals of garnet and sulphur and a cube of native silver.jpg - Ineuw
PSM V29 D059 Cassiterite crystal of the hexagonal system.jpg - Ineuw
PSM V29 D059 Cassiterite crystals of trimetric monoclinic and triclinic systems.jpg - Ineuw
Haüy's dodecahedron.png - W.D. Sparling
Spheroid-01.jpg - DaveC1
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