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Name: Johannsenite
Jhn
IMA Chemistry: CaMnSi2O6
Chemistry Elements: The mineral Johannsenite contains elements:
Calcium (Ca)
Manganese (Mn)
Silicon (Si)
Oxygen (O)
Country of Type Locality: Italy / USA
Year First Published: 1938
IMA Status: Approved
Status Notes: Johannsenite, a new manganese pyroxene (1938) Schaller W T, American Mineralogist 23, 575-582
Structural Group Name: Pyroxene
Fleischer's Group Name: pyroxene
Crystal Systems: monoclinic
Oldest Known Age: 2222.9 Million Years Ago
More Info: Search Wikipedia: Johannsenite (Wiki)
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Data appearing on this page is derived from the IMA Database of Mineral Properties. Not all properties are applicable to or available for all minerals.


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