Term
| how crystal systems are described in mineralogy |
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Definition
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Term
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Definition
| this is created by joining the points of the space lattice to produce a series of parallel-sided boxes |
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Term
| each unit cell contains... |
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Definition
| a complete unit of the crystal pattern, because the complete pattern is reproduced at each lattice point |
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Term
| how the particular unit cell is chosen for a space lattice |
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Definition
| generally selected as a matter of convenience in visualizing the symmetry and making the mathematical computations |
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Term
| the unit cell is defined by... |
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Definition
| the parameters a, b, and c (the x, y, and z dimensions of the unit cell) and the angles α, β, and γ |
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Term
| the angle α in unit cells |
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Definition
| the angle between the b and c axes |
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Term
| the angle β in unit cells |
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Definition
| the angle between the a and c axes |
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Term
| the angle γ in unit cells |
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Definition
| the angle between the a and b axes |
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Term
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Definition
| the chemical composition of a unit cell in a mineral |
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Term
| the difference between crystal structure and crystal lattice |
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Definition
-a crystal structure is real and tangible; describes the actual physical assemblages of atoms in the structure
-a crystal lattice is conceptual and reflects an infinite and uniform distribution of points in space |
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Term
| the number of unique ways in which lattice points can be arranged in 3D space |
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Definition
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Term
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Definition
| the types of lattices that occur in minerals |
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Term
| the Bravais lattices are divided into 6 ______ based on ______. |
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Definition
crystal systems
the symmetry of the 3D structure |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| primitive lattice that includes a lattice point centered in the ab plane of the monoclinic system |
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Term
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Definition
| primitive lattice that includes a lattice point that is centered within the body of the primitive lattice (termed body centered) of the cubic, tetragonal, and orthorhombic systems |
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Term
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Definition
| primitive lattice that includes lattice points centered on all faces of the primitive lattice of the cubic and orthorhombic systems |
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Term
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Definition
| the rhombohedral (trigonal) lattice type of the hexagonal system |
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Term
| how crystal systems are described in mineralogy |
|
Definition
|
|
Term
|
Definition
| this is created by joining the points of the space lattice to produce a series of parallel-sided boxes |
|
|
Term
| each unit cell contains... |
|
Definition
| a complete unit of the crystal pattern, because the complete pattern is reproduced at each lattice point |
|
|
Term
| how the particular unit cell is chosen for a space lattice |
|
Definition
| generally selected as a matter of convenience in visualizing the symmetry and making the mathematical computations |
|
|
Term
| the unit cell is defined by... |
|
Definition
| the parameters a, b, and c (the x, y, and z dimensions of the unit cell) and the angles α, β, and γ |
|
|
Term
| the angle α in unit cells |
|
Definition
| the angle between the b and c axes |
|
|
Term
| the angle β in unit cells |
|
Definition
| the angle between the a and c axes |
|
|
Term
| the angle γ in unit cells |
|
Definition
| the angle between the a and b axes |
|
|
Term
|
Definition
| the chemical composition of a unit cell in a mineral |
|
|
Term
| the difference between crystal structure and crystal lattice |
|
Definition
-a crystal structure is real and tangible; describes the actual physical assemblages of atoms in the structure
-a crystal lattice is conceptual and reflects an infinite and uniform distribution of points in space |
|
|
Term
| the number of unique ways in which lattice points can be arranged in 3D space |
|
Definition
|
|
Term
|
Definition
| the types of lattices that occur in minerals |
|
|
Term
| the Bravais lattices are divided into 6 ______ based on ______. |
|
Definition
crystal systems
the symmetry of the 3D structure |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| primitive lattice that includes a lattice point centered in the ab plane of the monoclinic system |
|
|
Term
|
Definition
| primitive lattice that includes a lattice point that is centered within the body of the primitive lattice (termed body centered) of the cubic, tetragonal, and orthorhombic systems |
|
|
Term
|
Definition
| primitive lattice that includes lattice points centered on all faces of the primitive lattice of the cubic and orthorhombic systems |
|
|
Term
|
Definition
| the rhombohedral (trigonal) lattice type of the hexagonal system |
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