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Group of spheres

Group of aggregates of fine crystals forming a outer shape of a sphere.

• Classification: Aggregates of crystals

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

• Examples:
• Reniform, Kidney-like
• Botryoidal, Botryoid
• Oolitic, Oolite
• Framboidal, Framboid