| 1. | Structurally, it is a hexagonal crystal with a brilliant reflecting green colour.
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| 2. | The hexagonal crystal family consists of two crystal systems : trigonal and hexagonal.
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| 3. | Trigonal and hexagonal crystals revealed that trimers are arranged on a honeycomb lattice.
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| 4. | It exhibits a hexagonal crystal structure with a 3m point group.
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| 5. | The hexagonal crystal structure of osumilite is an unusual molecular make-up.
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| 6. | Graphite is an example of a crystal that crystallizes in the hexagonal crystal system.
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| 7. | Like most of the lanthanides, lanthanum has a hexagonal crystal structure at room temperature.
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| 8. | It is found in the form of greenish-brown hexagonal crystals.
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| 9. | Mica may be present in well-formed hexagonal crystals, and hornblende may appear as needle-like crystals.
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| 10. | It is an example of a hexagonal crystal system.
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