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Lawsonite from
Road West of the Pacheco Pass summit, Pacheco Pass, Santa Clara County, California, USA


Classification
Species:Lawsonite
Formula:CaAl2(Si2O7)(OH)2 · H2O
Comments:Occurs as inclusions in cymrite.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Cymrite
Jadeite
Associated Minerals Based on Photo Data:
Cymrite1
Albite1
Data
Mineral Data:Click here to view Lawsonite data
Locality Data:Click here to view Road West of the Pacheco Pass summit, Pacheco Pass, Santa Clara County, California, USA
Data Identifiers
Mindat Occurrence Record ID:644263
Long-form Identifier:1:3:644263:7
GUID (UUID V4):0
Nearest other occurrences of Lawsonite
51.7km (32.1 miles) ⓘUnnamed Lawsonite-Glaucophane occurrence [1], Glaucophane Ridge, San Benito County, California, USA
51.9km (32.2 miles) ⓘPanoche Pass, San Benito County, California, USA
52.8km (32.8 miles) ⓘSmith Creek, Alum Rock, Black Wonder Mining District, Santa Clara County, California, USA
54.6km (33.9 miles) ⓘUnnamed Lawsonite occurrence [1], Eylar Mountain, Black Wonder Mining District, Santa Clara County, California, USA
54.7km (34.0 miles) ⓘBuckeye Mine (Buckeye Mines; Wright Mine), Mount Oso, Ladd-Buckeye Mining District, Stanislaus County, California, USA
58.4km (36.3 miles) ⓘHillsdale Mine (Chaboya-Hillsdale Mine; San Juan Bautista Mine; San Juan Mine; San Juan Quicksilver Mine; Sheboya Mine; Chapman Mine; Oak Hill Mine), Oak Hill, San Jose, Santa Clara County, California, USA
References
Essene, E. J. (1967) An occurrence of cymrite in the Franciscan formation, California. American Mineralogist, 52 (11-12) 1885-1889
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Dunning G.E., Walstrom R.E., Lechner W. (2018) Barium Silicate Mineralogy of the Western Margin, North American Continent, Part 1: Geology, Origin, Paragenesis and Mineral Distribution from Baja California Norte Mexico, Western Canada and Alaska U.S.A. Bay Area Mineralogists Bulletin: 19(5), 70 pages.
 
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