Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Spessartine from
Hercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect), Ramona, Ramona Mining District, San Diego County, California, USA


02014170017366978305949.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
08213910017272031158297.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
08617190017272031173595.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
07758950017584406484301.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
04995820017362548113235.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
00504200017366978326911.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
02916460017366978336391.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
00589480017364250202926.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
08383640017366978352625.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
00624320017272031213480.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
08617190017272031173595.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
06568840017584406497588.jpg
Spessartine, etc.

Hercules Mine, Ramona, Ramona Mining District, San Diego County, California, USA
Locality type:Mine
Classification
Species:Spessartine
Formula:Mn32+Al2(SiO4)3
Chemical Analyses:
Oxide wt%:
1
SiO236.30 %
Al2O320.56 %
TiO20.07 %
MnO40.67 %
FeO2.06 %
CaO0.18 %
Total:99.84 %
Sample references:
1 -
Laurs, Brendan M., Knox, Kimberly (2001) Spessartine Garnet from Ramona, San Diego County, California. Gems & Gemology, 37 (4) 278-295 doi:10.5741/gems.37.4.278
Comments:Occurs chiefly or wholly in pocket pegmatite.
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite9
Schorl4
Quartz2
Data
Mineral Data:Click here to view Spessartine data
Locality Data:Click here to view Hercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect), Ramona, Ramona Mining District, San Diego County, California, USA
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:68335
Long-form Identifier:1:3:68335:3
GUID (UUID V4):0
Nearest other occurrences of Spessartine
0.2km (0.1 miles) ⓘLittle Three Mine area, Ramona, Ramona Mining District, San Diego County, California, USA
0.2km (0.1 miles) ⓘLittle Three Mine, Little Three Mine area, Ramona, Ramona Mining District, San Diego County, California, USA
0.2km (0.1 miles) ⓘLookout Mine (Hercules group; Lookout prospect; Upper Hercules mine), Ramona, Ramona Mining District, San Diego County, California, USA
0.5km (0.3 miles) ⓘEquestrian prospect, Ramona, Ramona Mining District, San Diego County, California, USA
0.6km (0.4 miles) ⓘCable Mine (Little Three Extension prospect; New A.B.C. prospect; New ABC prospect), Little Three Mine area, Ramona, Ramona Mining District, San Diego County, California, USA
0.7km (0.4 miles) ⓘApollo Lode claim, Ramona, Ramona Mining District, San Diego County, California, USA
0.7km (0.4 miles) ⓘSurprise Mine, Ramona, Ramona Mining District, San Diego County, California, USA
0.9km (0.5 miles) ⓘCoyote diggings, Ramona, Ramona Mining District, San Diego County, California, USA
1.3km (0.8 miles) ⓘA.B.C. Mine (ABC Mine; Daggett & MacIntosh; Daggett group), Ramona, Ramona Mining District, San Diego County, California, USA
1.8km (1.1 miles) ⓘProspect Mine, Ramona, Ramona Mining District, San Diego County, California, USA
References
illus., maps.: 95-96
Tisdall, F. S. H. (1961), Spessartine garnet from California. Gemologist: 30: 61-62
Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology
Foord, Eugene E., Martin, Robert F., Spaulding, Louis B., Mason, Roger A. (1989) Mineralogy and Paragenesis of the Little Three Mine Pegmatites, Ramona District, San Diego County, California. The Mineralogical Record, 20 (2) 101-127p.106
Fisher, Jesse (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals, 86 (1) 14-35 doi:10.1080/00357529.2011.537167
 
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