ramsdellite

Ramsdellite (Mn4+O2) is an orthorhombic manganese dioxide mineral. It is relatively uncommon, and is usually found in deposits containing other manganese oxide crystals.

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Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 4.DB.15a
chemical formula: Mn⁴⁺O₂
Nickel-Strunz 9th edition (updated 2009): 4.DB.15
Commons category: Ramsdellite
crystal system: orthorhombic crystal system
IMA Mineral Symbol: Rmd
Strunz 8th edition (series ID, updated): IV/D.03d

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Encyclopedic overview

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Contents

Name
Chemistry and crystallography
Classification
Distribution
Notes
Sources

Ramsdellite (Mn4+O2) is an orthorhombic manganese dioxide mineral. It is relatively uncommon, and is usually found in deposits containing other manganese oxide crystals.

==Name==

Excerpted from Wikipedia’s “ramsdellite” article, available under the CC BY-SA 4.0 licence.