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Jadeite from
Angel Island, Marin County, California, USA


Locality type:Island
Classification
Species:Jadeite
Formula:Na(Al,Fe3+)Si2O6
Comments:Occurs as a constituent of metagraywackes.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Jadeite data
Locality Data:Click here to view Angel Island, Marin County, California, USA
Data Identifiers
Mindat Occurrence Record ID:648103
Long-form Identifier:1:3:648103:2
GUID (UUID V4):0
Nearest other occurrences of Jadeite
7.2km (4.5 miles) ⓘReed Station, Tiburon Peninsula, Marin County, California, USA
40.5km (25.2 miles) ⓘMassa Hill Mine, Vonsen Ranch, Marin County, California, USA
66.5km (41.3 miles) ⓘValley Ford, Sonoma County, California, USA
68.7km (42.7 miles) ⓘUnnamed Jade occurrence [1], Freestone, Coast Range, Sonoma County, California, USA
References
Bloxam, T. W. (1960) Jadeite-rocks and glaucophane-schists from Angel Island, San Francisco Bay, California. American Journal of Science, 258 (8) 555-573 doi:10.2475/ajs.258.8.555pp.558-560
Coleman, R.G. (1965), Composition of jadeite pyroxene from the California graywackes: USGS PP 525-C: 26-27
Coleman, R. G., Clark, J. R. (1968) Pyroxenes in the blueschist facies of California. American Journal of Science, 266 (1) 43-59 doi:10.2475/ajs.266.1.43P. 44
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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