Mathematical Crystallography by Melinda Darby Dyar, Mickey E. Gunter & Dennis Tasa

Mathematical Crystallography

By Melinda Darby Dyar, Mickey E. Gunter & Dennis Tasa

  • Release Date: 2014-04-07
  • Genre: Sciences de la Terre
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Description

Mathematical crystallography was developed to provide a unifying method for understanding crystal symmetry based on matrix algebra. The external symmetry of mineral crystals is often controlled by the internal symmetry of the atomic arrangement. The mathematics behind this internal symmetry is examined and explained in great detail.
Topics covered in Chapter 13 include:
• Matrix Representation of Symmetry Operations
• Rotoinversion Axes
• Derivation of Space Group Symmetry Operations
• The Metric Tensor
• Volume Calculations
• Bond Distances
• BondAngles
• d-spacings and Reciprocal Space
• Angles Between Two Axes
• Angles Between Two Planes
• Angles Between an Axis and a Plane Normal
• Derivation of the 32 Crystallographic 3-D Point Groups
• Proper Point Groups
• Improper Point Groups
• Grouping the 32 Point Groups into the Six Crystal Systems
• A Brief Introduction to Linear Algebra and Matrix Manipulation as Applied to Mineralogy
• Multiplication of Matrices
• Transpose of a Matrix
• Inversion ("Division") of Matrices
• The Determinant of a Matrix
• Addition and Subtraction of Matrices
• Dot Products
• Cross Products
• The General Cartesian Rotation Matrix and Its Use in Mineralogy

This Mineralogy and Optical Mineralogy Series is specifically designed to take full advantage of digital media technology to empower students and teachers of mineralogy. Using color photographs, illustrations, movies, 3D models that can be rotated, interactive diagrams, and review questions, this series makes a challenging subject approachable. Also, each chapter in the series is available separately allowing the reader to pick and choose only those chapters they need for their specific course.

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