| Locality type: | Quarry |
| Classification |
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| Species: | Barwoodite |
| Formula: | Mn62+Nb5+(SiO4)2O3(OH)3 |
| Chemical Analyses: |
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| Empirical formulas: | | 1 | Mn+62(Nb5+0.94Fe3+0.18Mn3+0.11âŧ 0.77)ÎĢ2(SiO4)2[O3.58(OH)2.42]ÎĢ6 |
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| Sample references: | |
| 1 | Type Specimen | Kampf, Anthony R., Celestian, Aaron J., Nash, Barbara P. (2018) Barwoodite, Mn2+6(Nb5+,âĄ)2(SiO4)2(O,OH)6, a New Member of the Welinite Group from Granite Mountain, Arkansas. The Canadian Mineralogist, 56 (5) 799-809 doi:10.3749/canmin.1800032 |
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| Confirmation |
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| Validity: | Valid - Type Locality |
| Associated Minerals Based on Photo Data: |
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| Aegirine | 6 |
| Eggletonite | 5 |
| Zircon | 1 |
| Data |
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| Mineral Data: | Click here to view Barwoodite data |
| Locality Data: | Click here to view Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA |
| Photo Gallery | View Gallery (11 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1107375 |
| Long-form Identifier: | 1:3:1107375:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Barwoodite |
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| 2.8km (1.7 miles) | âGranite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA |
| References |
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Kampf, Anthony R., Celestian, Aaron J., Nash, Barbara P. (2018) Barwoodite, Mn2+6(Nb5+,âĄ)2(SiO4)2(O,OH)6, a New Member of the Welinite Group from Granite Mountain, Arkansas. The Canadian Mineralogist, 56 (5) 799-809 doi:10.3749/canmin.1800032 |
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Big Rock Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA