Williamsite
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About Williamsite
Formula:
Mg3(Si2O5)(OH)4
Name:
Named by Charles Upham Shepard in 1848 in honor of its discoverer, Lewis White Williams [December 20, 1804 Goshen, Pennsylvania - September 19, 1873], a mineralogist and geologist of West Chester, Chester County, Pennsylvania. Williams was on the 1857 "Camel Expedition" with Lieutenant Ned Beale.
A variety of Antigorite
A translucent pale apple-green variety of antigorite.
Visit gemdat.org for gemological information about Williamsite.
A translucent pale apple-green variety of antigorite.
Visit gemdat.org for gemological information about Williamsite.
Pronounciation of Williamsite
Pronounciation:
Play | Recorded by | Country |
---|---|---|
Jolyon & Katya Ralph | United Kingdom |
Chemical Properties of Williamsite
Formula:
Mg3(Si2O5)(OH)4
Elements listed:
Common Associates
Associated Minerals Based on Photo Data:
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Williamsite
mindat.org URL:
https://www.mindat.org/min-27232.html
Please feel free to link to this page.
Please feel free to link to this page.
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Localities for Williamsite
Locality List




All localities listed without proper references should be considered as questionable.
USA | |
| Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 27p. |
| Pearre, N. & A. V. Heyl (1960) Mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware: U. S. Geological Survey: Bulletin 1082K: 765-766. |
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p. | |
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p. | |
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p. | |
| Minerals of Maryland (1940) Charles Ostrander and Walter E. Price, Jr., Natural History Society of Maryland. p. 56 |
| http://www.mindat.org/forum.php?read,11,54067,54302 |
A.Mathauser collection; Pearre, N. C., & Heyl Jr, A. V. (1960). Chromite and other mineral deposits in serpentine rocks of the piedmont upland, Maryland, Pennsylvania, and Delaware (No. 1082-K, pp. 707-833). US Government Printing Office. | |
Samuel G. Gordon (1922) The Mineralogy of Pennsylvania. Pg. 204. Dana 6:1069. Ref2) American Republican, Jan. 2nd 1849 (Chester Co., Newspaper) | |
| Samuel G. Gordon (1922) The Mineralogy of Pennsylvania. Pg. 204. Dana 6:1069. |
Line pit, Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA