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Give the differences between the following pairs; crystal form and crystal habit?
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ChatGPT
more than 3 weeks ago
Crystal form refers to the external geometric shape of a crystal, while crystal habit refers to the overall shape and appearance of a group of crystals. Crystal form is the specific arrangement of crystal faces that make up a crystal, while crystal habit is the overall shape and appearance of a group of crystals growing together. Crystal form is more specific and precise, while crystal habit is more general and descriptive.
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Google Gemini AI
more than 3 weeks ago
Crystal Form
- Refers to the geometric shape of a single crystal.
- Determined by the symmetry of the crystal lattice.
- Examples include cube, octahedron, prism, and pyramid.
- Is a fundamental property of the mineral.
Crystal Habit
- Refers to the way crystals of a particular mineral tend to develop.
- Influenced by factors such as growth conditions, impurities, and surface tension.
- Describes the characteristic shape or external appearance of a group of crystals.
- Examples include acicular (needle-like), tabular (flattened), and dendritic (branching).
Key Differences:
- Scale: Crystal form describes a single crystal, while crystal habit describes a collection of crystals.
- Determinants: Crystal form is determined by the crystal lattice, while crystal habit is influenced by external factors.
- Fundamentality: Crystal form is a fundamental property of the mineral, while crystal habit can vary depending on growth conditions.
- Description: Crystal form is a geometric shape, while crystal habit describes the overall appearance of crystals.
- Example: Calcite crystals typically exhibit a rhombohedral crystal form, but they can have a variety of crystal habits, such as scalenohedral or prismatic.
- Refers to the geometric shape of a single crystal.
- Determined by the symmetry of the crystal lattice.
- Examples include cube, octahedron, prism, and pyramid.
- Is a fundamental property of the mineral.
Crystal Habit
- Refers to the way crystals of a particular mineral tend to develop.
- Influenced by factors such as growth conditions, impurities, and surface tension.
- Describes the characteristic shape or external appearance of a group of crystals.
- Examples include acicular (needle-like), tabular (flattened), and dendritic (branching).
Key Differences:
- Scale: Crystal form describes a single crystal, while crystal habit describes a collection of crystals.
- Determinants: Crystal form is determined by the crystal lattice, while crystal habit is influenced by external factors.
- Fundamentality: Crystal form is a fundamental property of the mineral, while crystal habit can vary depending on growth conditions.
- Description: Crystal form is a geometric shape, while crystal habit describes the overall appearance of crystals.
- Example: Calcite crystals typically exhibit a rhombohedral crystal form, but they can have a variety of crystal habits, such as scalenohedral or prismatic.
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