![]() Search overrides: by location, filename, composition, keywords, notes. Topical: Asbestos, Chemical Weapons, Explosives, Pigments, Radioactive. Geology: Extraterrestrial, Gemstones, High-Pressure Crystals, Magnetic Materials, Ores. High-Tech: Battery Materials, Hydrogen Storage, Semiconductors. Health & Environment: Agriculture, Food, Medicines, Narcotics. Quiz: Learn crystallography with these exercises on Lattice Types, Miller Indices and Basic Structure Types.Ī selection of general-interest structures, cross-referenced from the main Structures Library, and arranged thematically. ![]() Includes animated teaching models of cubic close packing, hexagonal close packing, diamond and graphite, etc. New Materials: YBCO Superconductor ZIF8.Ĭrystal Chemistry: Crystallographic "Type Structures", organised by anion/cation ratios, e.g., "AB, AB2, AB2X4, etc.". Silicates: Introduction to Silicate Polymerization Garnet Pyroxene Amphibole Mica Kaolinite Feldspar Quartz Zeolite ZK5. Each multi-structure document provides a unique tour of a key structure, building on concepts such as close-packing, interstices, polymerization and the use of structural motifs to represent coordination units or molecular groups and simplify visualization.Ĭlose Packing: Introduction to Close Packing Hexagonal Close Packing Cubic Close Packing.įilling Interstices: Introduction to Interstices Wurtzite Sphalerite Halite Olivine Spinel Hematite. Polyhedra: Coordination polyhedra found in typical crystals.īuilding Crystals: Self-guided tutorials introducing fundamentals of crystal chemistry. Lattice Defects: 3D models showing twins, polysynthetic twinning, edge & screw dislocations dislocation loop Frenkel, Schottky defects stacking fault. Lattice Types: Rotatable models of each of the 14 Bravais Lattices, plus Hexagonal/Rhombohedral comparison model. Optional "flat view": shows all folder and sub-folder contents.Īdditional Gallery of showcase materials.Ītomic Radii: Periodic Tables of the Elements showing atomic, ionic, covalent, van-der-Waals radii. Optional list view click column headers to sort. 1400 structures, grouped into "Hybrid Materials", "Inorganics" and "Organics" - and further sub-divided chemically and structurally.ĭirect access to Minerals: standard mineralogical classification into Silicates (organised structurally) and Non-Silicates (organised by chemical group) - as per Deer, Howie & Zussman.īrowser interface with resizable structure thumbnails (animated for multi-structure documents) and folder notes.
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