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Wad

Field name of black earthy manganese oxide

Following mineral or those mixtures: Nsutite, Aurorite, Cryptomelane, Todorokite, Pyrolusite, Birnessite, Ramsdellite, Lithiophorite.

• Formed by alteration of Pharmacosiderite with Limonite.

• Color: Black, Brownish black, Bluish black
• Streak: Black
• Diaphaneity: Opaque

• Habit: Earthy

• Hardness: 1-6.5