| Locality type: | Creek |
| Classification |
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| Species: | Macdonaldite |
| Formula: | BaCa4Si16O36(OH)2 · 10H2O |
| Comments: | Occurs as small radiating crystal aggregates to 12 mm diameter with individual crystals to 6 mm long. |
| Habit: | Acicular |
| Colour: | White to colorless |
| Confirmation |
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| Validity: | Valid - Type Locality |
| Associated Minerals Based on Photo Data: |
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| Quartz | 4 |
| Titantaramellite | 2 |
| Celsian | 2 |
| Pyrrhotite | 2 |
| Opal | 1 |
| Sanbornite | 1 |
| Gillespite | 1 |
| Diopside | 1 |
| Data |
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| Mineral Data: | Click here to view Macdonaldite data |
| Locality Data: | Click here to view Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| Photo Gallery | View Gallery (5 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 7205 |
| Long-form Identifier: | 1:3:7205:2 |
| GUID (UUID V4): | 0 |
| Localities for Macdonaldite in this Region |
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| Esquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| Esquire No. 8 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| Nearest other occurrences of Macdonaldite |
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| 0.2km (0.1 miles) | ⓘEsquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| 0.2km (0.1 miles) | ⓘEsquire No. 8 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| 1.7km (1.1 miles) | ⓘSnow Cap Mine, Rush Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| 5.6km (3.5 miles) | ⓘRush Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| 6.5km (4.1 miles) | ⓘEsquire No. 1 claim, Rush Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| 6.8km (4.2 miles) | ⓘCole Spring Outcrops, Rush Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA |
| 72.2km (44.9 miles) | ⓘBaumann prospect (Bauman Ranch), Dumtah, Tulare County, California, USA |
| 74.3km (46.2 miles) | ⓘVan Gordon Creek Prospect, Dumtah, Tulare County, California, USA |
| References |
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Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA