Locality type: | Deposit |
Classification |
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Species: | Birnessite |
Formula: | (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Birnessite data |
Locality Data: | Click here to view Treburland Manganese deposits, Altarnun, Cornwall, England, UK |
Data Identifiers |
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Mindat Occurrence Record ID: | 2000 |
Long-form Identifier: | 1:3:2000:8 |
GUID (UUID V4): | e3f58b3b-7b18-44cb-97bf-6ee6962b3439 |
Nearest other occurrences of Birnessite |
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12.6km (7.8 miles) | ⓘGreystone Quarry, Lezant, Cornwall, England, UK |
82.8km (51.4 miles) | ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK |
References |
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