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Nail-like, Nail

Platy crystals which have closed and flat sharp edges.

• Classification: Single crystal - Tabular

• Frequency:
• Cubic: none
• Tetragonal: none
• Orthorhombic: none
• Hexagonal: common
• Trigonal: common
• Monoclinic: none
• Triclinic: none

• Examples:
• Calcite
• Rhodochrosite