| Locality type: | Pegmatite |
| Classification |
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| Species: | Robertsite |
| Formula: | Ca2Mn33+(PO4)3O2 · 3H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Phosphosiderite | ⓘ2 photos of Robertsite associated with Phosphosiderite at this locality. |
| Tavorite | ⓘ1 photo of Robertsite associated with Tavorite at this locality. |
| Heterosite | ⓘ1 photo of Robertsite associated with Heterosite at this locality. |
| Giniite | ⓘ1 photo of Robertsite associated with Giniite at this locality. |
| Fluorapatite | ⓘ1 photo of Robertsite associated with Fluorapatite at this locality. |
| Data |
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| Mineral Data: | Click here to view Robertsite data |
| Locality Data: | Click here to view Sandamap pegmatite, Sandamap North Farm 115, Dâures Constituency, Erongo Region, Namibia |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 361148 |
| Long-form Identifier: | 1:3:361148:7 |
| GUID (UUID V4): | 3cdbc27f-f1e6-4d02-b4be-f9f389b85c47 |
| Nearest other occurrences of Robertsite |
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| 71.5km (44.4 miles) | ⓘRubikon Mine, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibia |
| References |
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| Reference Search (possible matching items) |
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 | | Book | | Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree ...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Minerallocalities The North TsumebSpecial The Otavi Mountainland The Central Northern to Northwest Region including...Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains The RossingMountains The Central Escarpment-...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275 |  | | Report (issue) | | highly oxidized phosphate nodules in granite pegmatite (South Dakota, USA). Association: Variscite, englishite...rockbridgeite–frondelite, whitlockite, carbonate-apatite, robertsite, fairfieldite, englishite (South Dakota, USA)...From the Lavra da Ilha pegmatite, in the Jequitinhonha River, three km north of Taquaral, Minas Gerais...Australia. At the Mangualde pegmatite, near Mesquitela, and the Bendada pegmatite, near Guarda, Portugal.... Barcelona Province. At the Sandamap pegmatite, west of Usakos, Namibia. Name: To honor Dr. Arthur Montgomery |
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Sandamap pegmatite, Sandamap North Farm 115, Dâures Constituency, Erongo Region, Namibia