9/5/2023 0 Comments Crystalmaker stacking![]() The Crystal Chemistry library provides a wealth of teaching resources for understanding fundamental "type" structures, such as close packed metals.īuilding Crystals provides a self-guided tour to important structures in terms of their fundamental building bricks and how these are arranged. Quiz: Learn crystallography with these exercises on Lattice Types, Miller Indices and Basic Structure Types. ![]() Includes animated teaching models of cubic close packing, hexagonal close packing, diamond and graphite, etc. Includes YBCO (Superconductor) ZIF8 (potential gas-storage phase).Ĭrystal Chemistry: Crystallographic "Type Structures", organised by anion/cation ratios, e.g., "AB, AB2, AB2X4, etc.". New Materials: More complex structures introduced in terms of their fundamental building blocks. Includes: Garnet Pyroxene Amphibole Mica Kaolinite Feldspar Quartz Zeolite ZK5. Silicates: Introduction to Silicate Polymerization Sequence of key silicate minerals illustrating the sequence from isolated tetrahedra (orthosilicates), through to infinite chains, sheets and fully-polymerized frameworks. Includes: Wurtzite Sphalerite Halite Olivine Spinel Hematite. 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 Structures based on filling tetrahedral or octahedral interstices in hexagonal- or cubic-close-packed materials. 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. Atomic Radii: Periodic Tables of the Elements showing atomic, ionic, covalent and van-der-Waals radii.
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