| Locality type: | Claim |
| Classification |
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| Species: | Grossular |
| Formula: | Ca3Al2(SiO4)3 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Grossular data |
| Locality Data: | Click here to view Mason Valley Gem claim, Mason Valley, Banner Mining District, San Diego County, California, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1011014 |
| Long-form Identifier: | 1:3:1011014:8 |
| GUID (UUID V4): | 28b7ed7b-d594-45af-be37-031c2cc08e64 |
| Nearest other occurrences of Grossular |
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| 14.8km (9.2 miles) | ⓘSan Felipe Garnet Mine, Banner, Banner Mining District, San Diego County, California, USA |
| 31.4km (19.5 miles) | ⓘMcFall Mine, Ramona area, Ramona, San Diego County, California, USA |
| 31.9km (19.8 miles) | ⓘLookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA |
| 33.5km (20.8 miles) | ⓘProspect Mine, Ramona, Ramona Mining District, San Diego County, California, USA |
| 40.4km (25.1 miles) | ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA |
| 42.3km (26.3 miles) | ⓘCarrizo Canyon deposit, Boulevard, San Diego County, California, USA |
| 43.4km (27.0 miles) | ⓘWhite Cloud deposit, Jacumba, San Diego County, California, USA |
| 44.7km (27.7 miles) | ⓘCarmelita Mine (Big Spring mine; Blue Gem claim; Crest Gem mine; Elinor deposit; Elinor mine; Estudillo mine; French Pete mine; MS 6130; Peter Cabat mine), Chihuahua Valley, Warner Springs Mining District, San Diego County, California, USA |
| 50.1km (31.1 miles) | ⓘJacume, El Condor, Tecate Municipality, Baja California, Mexico |
| 69.2km (43.0 miles) | ⓘHiriart Mountain (Hariat Mtn; Harriot Mtn; Heriart Mtn; Heriot Mtn; Hiriat Hill), Pala, Pala Mining District, San Diego County, California, USA |
| References |
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Mason Valley Gem claim, Mason Valley, Banner Mining District, San Diego County, California, USA