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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
- Hexagonal pyramidal, Hexagonal pyramid
- Bipyramidal, Bipyramid
- Scalenohedral, Scalenohedron
- Quadrangular bipyramidal, Quadrangular bipyramid
- Hexagonal bipyramidal, Hexagonal bipyramid
- Tabular, Table
- Hexagonal tabular, Hexagonal table
- Rectangular tabular, Rectangular table
- Triangular tabular, Triangular table
- Thick platy, Thick plate
- Platy, Plate
- Hexagonal platy, Hexagonal plate
- Rectangular platy, Rectangular plate
- Triangular platy, Triangular plate
- Bladed, Blade
- Discoidal, Discoid
- Lathy, Lath
- Nail-like, Nail
- Micaceous, Mica-shape
- Foliate, Foil
- Flaky, Flake
- Filmy, Film
- Prismatic, Prism
- Hexagonal prismatic, Hexagonal prism
- Quadrangular prismatic, Quadrangular prism
- Triangular prismatic, Triangular prism
- Stout prismatic, Stout prism
- Stubby prismatic, Stubby prism, Short prismatic, Short prism
- Long prismatic, Long prism
- Slender prismatic, Slender prism
- Acicular, Needle-like, Needle
- Wirely, Wire
- Hairy, Hair-like, Hair
- Filiform, Stringy, Filament
- Fibrous, Fiber
- Groups of single crystals
- Aggregate, Mass, Massive
- Cluster(s), Group(s)
- Radial, Radiating
- Spray-like, Spray
- Divergent
- Stellate
- Fan-like, Fan
- Rosette-like, Rosette
- Sheaf-like, Wheat sheaf
- Tuft, Tufty
- Columnar, Colum
- Bunched, Bundle
- Banded, Band
- Lamellar
- Scaly, Fish scale
- Concentric zoing, Concentric zone
- Saccharoidal
- Aggregates of crystals
- Coating, Coat
- Crust, Encrustations, Incrustations, Crust-like
- Thin coat, Thin coating
- Mossy, Moss
- Matted, Mat
- Drusy, Druse
- Massive, Mass
- Equigranular
- Porphyritic
- Powdery, Powder
- Pulverulent
- Earth, Earthy
- Microcrystalline
- Cryptocrystalline
- Spherical, Spherulitic, Sphere
- Nodular, Nodule
- Spherulitic, Spherule
- Globular, Globule
- Amygdaloid, Amygdaloidal
- Mammillary
- Stalactitic
- Group of spheres
- Reniform, Kidney-like
- Botryoidal, Botryoid
- Oolitic, Oolite
- Framboidal, Framboid
- Dendritic, Dendrite
- Coralloidal, Coralloid
- Network, Net
- Interlaced, Interlace
- Plumose, Plumosity
- Porous, Pore
- Efflorescent, Efflorescence
- Spongy, Sponge
- Boxwork
- Vuggy, Vug
- Others
- Crude
- Disseminated, Dissemination
- Sporadically disseminated, Sporadic dissemination
- Amorphous
- Liquid