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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Rubellite from
Mesa Grande Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA


Locality type:Mine
Classification
Species:Tourmaline var: Rubellite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rubellite data
Locality Data:Click here to view Mesa Grande Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Data Identifiers
Mindat Occurrence Record ID:429412
Long-form Identifier:1:3:429412:2
GUID (UUID V4):0
Nearest other occurrences of Rubellite
0.6km (0.4 miles) ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
0.9km (0.5 miles) ⓘCota Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
1.1km (0.7 miles) ⓘGreen Ledge Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
1.2km (0.8 miles) ⓘPayne Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
2.7km (1.7 miles) ⓘEsmeralda Mine, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA
13.4km (8.3 miles) ⓘMaple Lode Mine (Maple claim), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
14.2km (8.8 miles) ⓘClark Extension prospect, Ditch Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
14.3km (8.9 miles) ⓘMountain Lily Mine (Emeralite No. 2 claim; Gem Mine No. 1 claim; Ware mine), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
14.6km (9.1 miles) ⓘVictor Mine (Big Buck mine; Big Buck prospect), Rincon Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
18.9km (11.7 miles) ⓘCryo-Genie Mine, Warner Springs, Warner Springs Mining District, San Diego County, California, USA
References
Mesa Grande Tourmaline & Gem Company 1906. Do It Now!! Buy Tourmaline Stock
The Pacific Monthly, Advertisement Section, January 1906. The Pacific Monthly Publishing Co.
Portland, Oregon.
 
and/or  
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