Locality type: | Diggings |
Classification |
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Species: | Dravite |
Formula: | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
Comments: | A widely sold material from this locality is "chromdravite". EDS analysis shows that a typical specimen contained no chromium, but did have a small amount of vanadium (Tony Nikischer, 2011). |
Confirmation |
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Validity: | Believed Valid |
Associated Minerals Based on Photo Data: |
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Albite | 5 photos of Dravite associated with Albite at this locality. |
Calcite | β3 photos of Dravite associated with Calcite at this locality. |
Natrolite | β2 photos of Dravite associated with Natrolite at this locality. |
Pyrite | 1 photo of Dravite associated with Pyrite at this locality. |
Quartz | 1 photo of Dravite associated with Quartz at this locality. |
Data |
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Mineral Data: | Click here to view Dravite data |
Locality Data: | Click here to view Mwajanga diggings, Simanjiro District, Manyara Region, Tanzania |
Photo Gallery | View Gallery (28 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 749578 |
Long-form Identifier: | 1:3:749578:6 |
GUID (UUID V4): | e0ec6e18-1108-46f9-ae32-3f806e7bf70a |
References |
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Mwajanga diggings, Simanjiro District, Manyara Region, Tanzania