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Tourmaline from
Silver Knob occurrence, Silver Knob, Fish Camp, Mariposa County, California, USA


Locality type:Occurrence
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Comments:vanadium-rich Dravite which occurs as crystals.
Colour:Green
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Silver Knob occurrence, Silver Knob, Fish Camp, Mariposa County, California, USA
Data Identifiers
Mindat Occurrence Record ID:995727
Long-form Identifier:1:3:995727:5
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
32.9km (20.5 miles) ⓘTrumbull Peak Ba-silicate deposit, Trumbull Peak, Clearing House, Clearing House Mining District, East Belt, Mariposa County, California, USA
57.4km (35.7 miles) ⓘWinchester Mine, Green Mountain, Big Dry Creek Mining District, Fresno County, California, USA
69.3km (43.1 miles) ⓘEsquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA
96.3km (59.9 miles) ⓘWhite Divide, Mount Goddard, Kings Canyon National Park, Fresno County, California, USA
99.9km (62.1 miles) ⓘOld Soldier Mine, Drum Valley, Tulare County, California, USA
References
Snetsinger, Kenneth G. (1966) Barium-vanadium muscovite and vanadium tourmaline from Mariposa County, California. American Mineralogist, 51 (11-12) 1623-1639
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Foit, F.F., Jr. (1992), Powder Diffraction: 7: 236-238.
 
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