| Locality type: | Quarry |
| Classification |
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| Species: | Nontronite |
| Formula: | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Nontronite 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 |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 681173 |
| Long-form Identifier: | 1:3:681173:0 |
| GUID (UUID V4): | 620e26a7-abcf-494e-8ada-5177987a7e08 |
| Nearest other occurrences of Nontronite |
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| 56.7km (35.2 miles) | ⓘKilpatrick and Adams Mine (Hardy-Walsh Brookite deposit), Magnet Cove, Hot Spring County, Arkansas, USA |
| 66.6km (41.4 miles) | ⓘNorth Wilson pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA |
| References |
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