Cryptocrystalline Occurs as crystals too small to distinguish with the naked eye. Cylindrical Shaped like a cylinder. Disseminated Occurs in small, distinct particles dispersed in matrix. Deliquescent Crystals absorb water from the air and melt or otherwise deteriorate. Druse Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Divergent Crystals radiate from a center without producing stellar forms.
Efflorescences Crystals covering matrix, generally produced from transpiro-evaporation. Fibrous Crystals made up of fibers. Flakes Flat, thin crystals or aggregates. Fan Shaped Occurs as radiating crystals shaped like a fan. Foliated Two dimensional platy forms.