| 1. | Erythrite crystallizes in the monoclinic system and forms prismatic crystals.
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| 2. | It crystallizes in the monoclinic system and forms prismatic crystals.
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| 3. | Scorzalite crystallizes in the monoclinic system in a dipyramidal form.
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| 4. | Ilvaite crystallizes in the monoclinic system in black prismatic crystals and columnar masses.
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| 5. | It is a soft yellowish white mineral which crystallizes in the monoclinic system.
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| 6. | Lazulite crystallizes in the monoclinic system.
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| 7. | It crystallizes in the monoclinic system.
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| 8. | It crystallizes in the monoclinic system and typically occurs as clusters of crystals or granular aggregates.
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| 9. | Devilline crystallizes in the monoclinic system.
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| 10. | It crystallizes in the monoclinic system with the chemical composition Pb 9 Sb 8 S 21.
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