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Single crystal habit
Free-standing
Floater
Granular, Granule
Tetragonal, Tetragon
Cubic, Cube
Rectanglar cuboidal, Rectangular cuboid
Rhombohedral, Rhombohedron
Octahedral, Octahedron
Regular dodecahedral, Regular dodecahedron, (Pyritehedron, Pyritehedral)
Rhombic dodecahedral, Rhombic dodecahedron
Deltoidal icositetrahedral, Deltoidal icositetrahedron, (Trapezohedral, Trapezohedron)
Pyramidal, Pyramid
Scalenohedron, Scalenohedral
Bipyramid, Bipyramidal
Quadrangular pyramid, Quadrangular pyramidal
Table, Tabular
Thick plate, Thick platy
Plate, Platy
Blade, Bladed
Discoid, Discoidal
Lath, Lathy
Micaceous
Foliate
Scale, Scaly
Flake, Flaky
Film, Foil, Filmy
Prism, Prismatic
Stout prism, Stout prismatic
Stubby prism, Stubby prismatic, Short prism, Short prismatic
Long prism, Long prismatic
Hexagonal prism, Hexagonal prismatic
Quadrangular prism, Quadrangular prismatic
Triangular prism, Triangular prismatic
Slender prism, Slender prismatic
Needle, Acicular, Needle-like
Wire, Wirely
Filament, Filiform, Stringy
hairy, hair-like
Fiber, Fibrous
Groups of single crystals
Aggregate, Mass, Massive
Cluster(s), Group(s)
Spray(s), Radial, Radiating
Divergent
Stellate
Fan, Fan-like
Rosette
Bundle(s), Bunched
Wheat sheaf, Sheaf-like
Tuft, Tufty
Colums, Columnar
Lamellar, Foliated
Concentric zoing
Saccharoidal
Fish scale
Aggregates of crystals
Crust, Encrustations, Incrustations, Crust-like
Coat, Coating
Moss, Mossy
Mat, Matted
Druse, Drusy
Mass, Massive
Powder, Powdery
Pulverulent
Earth, Earthy
Cryptocrystalline
Globule, Globular, Sphere, Spherical, Spherulitic
Amygdaloid, Amygdaloidal
Mammillary
Stalactitic
Nodule, Nodular
Botryoid, Botryoidal
Reniform, Kidney-like
Oolitic
Framboid, Framboidal
Dendritic
Net, Network
Coral, Coralloid
Efflorescence, Efflorescent
Plumose, Plumosity
Others
Crude
Boxwork
Vug, Vuggy
Porous
Dissemination, Disseminated
Sporadic dissemination, Sporadically disseminated
Amorphous
Liquid