Cleavage, Crystal Structure, Fracture & Mohs Scale

Cleavage, tendency of a crystalline substance to split into fragments bounded by plane surfaces. Although cleavage surfaces are seldom as flat as crystal faces, the angles between them are highly characteristic and valuable in identifying a crystalline material. Cleavage occurs on planes where the

Mineral Identification - Earth Science

Quartz - Wikipedia

Mineral Crystals: Unit Cells, Lattices and Cleavage Planes, Earth Science

Mineral Crystals: Unit Cells, Lattices and Cleavage Planes

Minerals 1.2

3.5.2: Cleavage, Fracture, and Parting - Geosciences LibreTexts

Richard Harwood's Courses: Physical Geology 101: Mineral Systems and Physical Properties

Quartz Common Minerals

Mineral - Crystal Structures, Chemical Compounds

Mineral properties - The Australian Museum