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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Stilbite Subgroup from
Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA


08337370017272012617156.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
05142180017272735626866.jpg
Stilbite Subgroup

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
02323100017272012668967.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
07285130017272012709235.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
06292070017367128661180.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
05142180017272735626866.jpg
Stilbite Subgroup

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
07079600017367128659633.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
04193140017367128673573.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
08337370017272012617156.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
05142180017272735626866.jpg
Stilbite Subgroup

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
02323100017272012668967.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
06128500017367128672642.jpg
Stilbite Subgroup, etc.

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Locality type:Mine
Classification
Species:'Stilbite Subgroup' (not an IMA approved species)
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Elbaite51
Lepidolite27
Quartz11
Albite10
- var Cleavelandite8
Calcite9
Microcline8
Tourmaline5
Apatite3
Feldspar Group2
- var Perthite2
Stibiotantalite1
Data
Mineral Data:Click here to view Stilbite Subgroup data
Locality Data:Click here to view Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Photo GalleryView Gallery (27 photos)
Data Identifiers
Mindat Occurrence Record ID:44779
Long-form Identifier:1:3:44779:7
GUID (UUID V4):0
Nearest other occurrences of Stilbite Subgroup
14.4km (8.9 miles) ⓘVictor Mine (Big Buck mine; Big Buck prospect), Rincon Mountain, Rincon, Rincon Mining District, San Diego County, California, USA
17.1km (10.6 miles) ⓘHercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect), Ramona, Ramona Mining District, San Diego County, California, USA
30.8km (19.1 miles) ⓘOceanview Mine (Oceanview adits; new Oceanview workings), Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego County, California, USA
32.1km (19.9 miles) ⓘTourmaline Queen Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
32.4km (20.2 miles) ⓘTourmaline King Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA
45.4km (28.2 miles) ⓘCalavera Quarry (G. M. Kelly Quarry), Carlsbad, San Diego County, California, USA
References
Foord, E. E., Starkey, H. C., and Taggart, J. E., Jr. (1986) Mineralogy and paragenesis of "pocket" clays and associated minerals in complex granitic pegmatites, San Diego, California. American Mineralogist, 71, 428-439.
Fisher, Jesse (2002) Gem and Rare-Element Pegmatites of Southern California. The Mineralogical Record, 33 (5) 363-407p.5
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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