| 1. | Devilline is prismatic and belongs to the crystal class 2 / m.
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| 2. | It crystallizes in the isometric-hexoctahedral crystal class.
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| 3. | This mineral belongs in the isometric crystal class.
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| 4. | She herself earned the Crystal Class in the later episodes in the first series.
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| 5. | Dickite has a monoclinic crystal system and its crystal class is domatic ( m ).
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| 6. | There are 32 possible crystal classes.
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| 7. | Hagendorfite belongs to the monoclinic crystal class, so it is assigned to the biaxial optical class.
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| 8. | The monoclinic system includes crystal classes with a single twofold rotation axis and / or a mirror plane.
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| 9. | Malayaite belongs to the monoclinic crystal system and has a 2 / m ( prismatic ) crystal class.
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| 10. | Ferronigerite-2N1S crystallizes in the trigonal 2 / m crystal class and a space group of Pm1.
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