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⇱ Grossular from Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA

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Grossular from
Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA

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Locality type:Mine
Classification
Species:Grossular
Formula:Ca3Al2(SiO4)3
Comments:Most likely almandine-spessartine series.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Grossular data
Locality Data:Click here to view Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1002991
Long-form Identifier:1:3:1002991:6
GUID (UUID V4):0
Nearest other occurrences of Grossular
1.8km (1.1 miles) ⓘProspect Mine, Ramona, Ramona Mining District, San Diego County, California, USA
8.3km (5.1 miles) ⓘMcFall Mine, Ramona area, Ramona, San Diego County, California, USA
16.9km (10.5 miles) ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
31.9km (19.8 miles) ⓘMason Valley Gem claim, Mason Valley, Banner Mining District, San Diego County, California, USA
32.5km (20.2 miles) ⓘSan Felipe Garnet Mine, Banner, Banner Mining District, San Diego County, California, USA
35.2km (21.8 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
42.0km (26.1 miles) ⓘHiriart Mountain, Pala, Pala Mining District, San Diego County, California, USA
43.1km (26.8 miles) ⓘPala Mining District, San Diego County, California, USA
43.4km (27.0 miles) ⓘPala Douglass Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
43.6km (27.1 miles) ⓘDouglass Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
References
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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