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Powdery, Powder

Aggregates of powdery crystals.

• Classification: Aggregates of crystals - Massive

• Frequency:
• Cubic: common
• Tetragonal: common
• Orthorhombic: common
• Hexagonal: common
• Trigonal: common
• Monoclinic: common
• Triclinic: common

• Examples:
• Pyrochroite