Xonotlite

Xonotlite

Grolla quarry, Spagnago, Cornedo Vicentino, Vicenza Province, Veneto, Italy

Xonotlite

Hunting Hill quarry, Rockville, Montgomery Co., Maryland, USA

Xonotlite

Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa

Xonotlite

Grolla quarry, Spagnago, Cornedo Vicentino, Vicenza Province, Veneto, Italy

Xonotlite

Hunting Hill quarry, Rockville, Montgomery Co., Maryland, USA

Xonotlite

Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa

Xonotlite

Grolla quarry, Spagnago, Cornedo Vicentino, Vicenza Province, Veneto, Italy

Xonotlite

Hunting Hill quarry, Rockville, Montgomery Co., Maryland, USA

About XonotliteHide

Classification of XonotliteHide

Pronounciation of XonotliteHide

Physical Properties of XonotliteHide

Optical Data of XonotliteHide

Type:

Biaxial (+)

RI values:

n_α = 1.583 n_β = 1.585 n_γ = 1.595

2V:

Calculated: 50°

Max Birefringence:

δ = 0.012

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Dispersion:

small

Chemical Properties of XonotliteHide

Crystallography of XonotliteHide

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα

Data Set: Crestmore Quarries, Riverside County, California 2433

Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of XonotliteHide

Synonyms of XonotliteHide

Other Language Names for XonotliteHide

Varieties of XonotliteHide

Common AssociatesHide

Related Minerals - Nickel-Strunz GroupingHide

Related Minerals - Dana Grouping (8th Ed.)Hide

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

Fluorescence of XonotliteHide

Other InformationHide

References for XonotliteHide

Internet Links for XonotliteHide

mindat.org URL:

https://www.mindat.org/min-4343.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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Specimens:

The following Xonotlite specimens are currently listed for sale on minfind.com.

Localities for XonotliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.

Australia
Tasmania Huon Valley municipality Huon-Channel region Weld River district ⓘ Eddy Creek quarry	Analyses in prep, R Bottrill
ⓘ Forster Prospect	Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Victoria Rural City of Benalla ⓘ Chesney Vale	Aust.Jour. Earth Sci. 46:251 (1999)
Western Australia Coolgardie Shire Widgiemooltha ⓘ Wannaway Ni Mine (Wannaway deposit)	B. Grguric
Kalgoorlie-Boulder Shire Woolibar Station (Hampton Plains Goldfield) South Kal Mines (South Kalgoorlie Gold Mine; HBJ) ⓘ Mt Marion Gold Mine	Sue Koepke collection; from Frank Radke
Bulgaria
Yambol Oblast Bolyarovo Obshtina ⓘ Iglika	I. Kostov, V. Breskovska, J. Mincheva-Stefanova, G. Kirov (1964): Minerals of Bulgaria. Sofia, Bulgaria, 540 pp. (in Bulgarian).
Canada
Newfoundland and Labrador Newfoundland Bay of Islands Cox's Cove ⓘ Point Shivery	Ray L. Frost, Mahen Mahendran, Keerthan Poologanathan, Yunfei Xi, Raman spectroscopic study of the mineral xonotlite Ca6Si6O17(OH)2—A component of plaster boards, Materials Research Bulletin (in press)
ⓘ Winter House Brook	Traill, R. J. (1980) Catalog of Canadian Minerals: Revised 1980. Geological Survey of Canada Paper 80-18.
Ontario Thunder Bay District Blake Township ⓘ Prince's Mine	Traill, R. J. (1980) Catalog of Canadian Minerals: Revised 1980. Geological Survey of Canada Paper 80-18.
Québec Estrie Les Sources RCM Asbestos ⓘ Jeffrey Mine ("Johns-Manville Mine")	Grice, J.D. and Williams, R. (1979): Famous mineral localities: The Jeffrey Mine, Asbestos, Québec. Mineralogical Record, 10(2):69-80
Outaouais Les Collines-de-l'Outaouais RCM Chelsea ⓘ Cross quarry	Geological Survey of Canada Miscellaneous Report 41
Cuba
Cienfuegos Province ⓘ Arimao-Norte	Litsarev, M. A., Organova, N. I., Khranach, P., Chukanov, N. V., Kuz’mina, O. V., Kartashov, P. M., ... & Zadov, A. E. (1998). Hydroxylellestadite from the Arimao Norte Garnet–Wollastonite Skarn (Cuba). Zap. Vseross. Mineral. O–va, 127(6), 68-75.
Czech Republic
Vysočina Region Havlíčkův Brod District Havlíčkův Brod (Německý Brod; Deutschbrod) Chotěboř (Chotieborsch; Potiworz) ⓘ Staré Ransko (Altransko)	Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Denmark
Greenland Sermersooq Kangerlussuaq Fjord ⓘ Gardiner Complex	MinRec 16:485-494
Finland
Eastern Finland Region ⓘ Kuopio-Kaavi diamond field	Ilkka Mikkola collection, Identification by Dr Seppo Lahti
Germany
Hesse Odenwald Mühltal Nieder-Beerbach ⓘ Glasberg quarry
Iceland
Southern Region Vestmannaeyjar archipelago (Westman islands) Surtsey Island ⓘ Grillid (Cave S-4)	Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Iraq
Iraqi Kurdistan Sulaymaniyah province Qala-Diz (Qala-Dizeh; Qala-Diza) Hero ⓘ Dupezeh Mt.	Al-Hermezi, H. M., McKie, D., & Hall, A. J. (1986). Baghdadite, a new calcium zirconium silicate mineral from Iraq. Mineralogical Magazine, 50, 119-123.
Ireland
Co. Sligo Killala Bay ⓘ Inishcrone	Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 506.
Israel
Negev ⓘ Hatrurim Formation	Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
Italy
Lombardy Sondrio Province Valtellina Malenco Valley Lanterna Valley Lanzada ⓘ Bagnada-Ponticelli Mine (ex-Bolognini Mine; ex-Unitalc Mine)	Bedognè, F. (2006) Xonotlite della Val Lanterna, Valmalenco (SO). Rivista Mineralogica Italiana, 30, 254-255.
Trentino-Alto Adige (Trentino-Südtirol) Trento Province Fiemme Valley Predazzo ⓘ Canzoccoli (Mt La Forcella)	Demartin, F., Campostrini, I., Grisotto, M., & Grisotto, L. (2006). I Canzoccoli. Una località classica presso Predazzo, Val di Fiemme, Trento. Rivista Mineralogica Italiana, 30(3), 166-177.
Tuscany Pisa Province Castelnuovo Val di Cecina ⓘ Montecastelli Pisano	Bonaccorsi E., Merlino S., Orlandi P.(1996): Breve nota sulla xonotlite di Monte Castelli. Atti Soc. tosc. Sci. nat., Mem., Serie A, 103.
Veneto Padova Province Euganean Hills (Euganei Hills) Cinto Euganeo Faedo Monte Fasolo ⓘ Case Berton Quarry	Passaglia, E. , Tagliavini, A. (1995) Erionite from Faedo, Colli Euganei, Italy. Neues Jahrbuch für Mineralogie, Monatshefte, 185-191; Fabris, L., Guastoni, A. (2014) Provincia di Padova. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, pages 121-141; Zorzi, F. (2014) Percorso nel Padovano. Monte Fasolo, Monte Rusta, Monte Gemola. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, pages 293-299.
Vicenza Province Altissimo Del Tesoro Mt. ⓘ Contrada Cocco	Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Arsiero Contrada Draghi ⓘ Unnamed Quarry	Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Astico Valley Cogollo del Cengio ⓘ Menegolli Quarry (Marmi Quarry)	Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Rotzo ⓘ Castelletto di Rotzo	Collections Alessandro Mattiello and Padua University
Cornedo Vicentino Spagnago ⓘ Grolla quarry	Lapis, 15 (12), 27-32+50.; Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Gambellara S. Marco hill ⓘ Basalt quarry	Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Laghi ⓘ Contrada Molini	Zordan, A., Boscardin, M., & Zorzi, F. (2008). Foshagite di Contrada Molini, Laghi (Vicenza). Rivista Mineralogica Italiana, 3/2008, 178-180.
Posina Pasubio Massif Punta della Lucche ⓘ Nido d'Aquila Quarry	Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Schio Tretto Val Munari Contrade Maglio-Pornaro ⓘ Acquasaliente Creek	Zordan, A. (1999): Brevi segnalazioni mineralogiche dal Vicentino. Rivista Mineralogica Italiana, 23, 4 (4-1999), 218-220; Boscardin, M., Daleffe, A., Rocchetti, I., Zordan, A. (2011): Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni. Museo di Archeologia e Scienze Naturali “G. Zannato”, Montecchio Maggiore (Vicenza), 183 pp.; Zordan, A. (2014): Provincia di Vicenza. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246.
Japan
Honshu Island Chubu Region Niigata Prefecture Itoigawa City Ohmi ⓘ Oyashirazu beach	Alluvial cobbles in innumerable collections.
Shizuoka Prefecture Amagi-Yugashima ⓘ Yugashima mine	Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Chugoku Region Okayama Prefecture Ihara City (Ibara City) Higashi-Mihara ⓘ Mihara mine	http://www.handbookofmineralogy.org/pdfs/xonotlite.pdf
Takahashi City Bicchu-cho (Bitchu-cho) Fuka ⓘ Fuka mine	Mineralogical Journal Vol. 14 (1989) , No. 7 pp 299-302; Henmi, C., Kusachi, I., Kawahara, A., & Henmi, K. (1978). 7T wollastonite from Fuka, Okayama Prefecture. Mineralogical Journal, 9(3), 169-181.; Henmi, C., & Kusachi, I. (1992). Clinotobermorite, Ca5Si6 (O, OH) 18· 5H2O, a new mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine, 56(3), 353-358.
Shitouyouze ⓘ Sampo mine	Matsueda, H. (1983) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 6, #3, 259-292.
Kinki Region Hyogo Prefecture Yabu City Sekinomiya-machi ⓘ Deai	Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Mie Prefecture Toba City ⓘ Shiraki	Ohe Rikosha specimens; Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
ⓘ Sugashima	Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Tohoku Region Fukushima Prefecture ⓘ Koriyama	Matsuyama, F. (2001)
Kyushu Region Oita Prefecture Bungo-Ohno City Mie-cho-washidani ⓘ Washidani deposit (Washinotani)	Uehara, S., et al (2014) MInerals from Kyushu and Yamaguchi. (Fukuoka Mineral Club, 355 pages)
Shikoku Island Kochi Prefecture Kochi City Engyouji (Engyoji) ⓘ Engyoji rodingites	Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Rendai ⓘ Tanaka Olivine Mining Co. quarry
Konan City ⓘ Sarusaka	Handbook of Mineralogy, (c) 2001.
Mexico
Hidalgo Mun. de Pachuca Pachuca de Soto (Pachuca) ⓘ Guadalupe Mine	Panczner(1987):399.
Puebla Mun. de Tetela de Ocampo Tetela de Ocampo (Tetela; Tetella de Ocampo) ⓘ Cristo de Covadonga Mine	Panczner(1987):399.
ⓘ Del Peral Mine	Panczner(1987):399.
ⓘ Espejero Mine (Espejeras Mine)	Pancnzer(1987):399.
ⓘ Providencia Mine	Panczner (1987): 399.
Mun. de Tetela del Oro Tetela del Oro ⓘ Covadonga Mine	Panczner(1987):399.
ⓘ Tetela de Xonotla (TL)	Rammelsberg C (1866) Ueber den Xonaltit, ein neues wasserhaltiges Kalksilikat, und den Bustamit aus Mexiko, Zeitschrift der Deutschen Geologischen Gesellschaft 18, 33-34; Dana 6:569; Panczner(1987):399.
New Zealand
North Island Waikato Region Waitomo District Piopio ⓘ Wairere Serp Quarry	O'Brien, J. P., & Rodgers, K. A. (1973). Xonotlite and rodingites from Wairere, New Zealand. Mineralogical Magazine, 39, 233-240.
South Island Canterbury Region Selwyn District Coalgate ⓘ Acheron River	Coombs, D.S. (1960) Note on xonotlite from Acheron River, Mid-Canterbury. New Zealand Journal of Geology and Geophysics, 3:1, 72-73.
Southland Region Southland District ⓘ Mossburn	Judy Rowe collection
Romania
Caraş-Severin Co. Banat Mts ⓘ Oraviţa Skarns	Marincea, S., Dumitraş. D-G., Ghinet, C, Fransolet, A.-M., Hatert, F. & Rondeaux, M. (2011): Gehlenite from three occurrences of high-temperature skarns, Romania: new mineralogical data. Canadian Mineralogist. 49, 1001-1014
Hunedoara Co. Hunedoara ⓘ Cornet Hill	Marincea, Ş., Bilal, E., Verkaeren, J., Pascal, M.-L., and Fonteilles, M. (2001) Superposed paragenesis in spurrite-, tilleyite- and gehlenite-bearing skarns from Cornet Hill, Apuseni Mountains, Romania. Canadian Mineralogist: 39: 1435-1453.; The Canadian Mineralogist Vol. 39, pp. 1405-1434 (2001); Marincea, Ş., Dumitraş, D. G., Călin, N., Anason, A. M., Fransolet, A. M., & Hatert, F. (2013). Spurrite, tilleyite and associated minerals in the exoskarn zone from Cornet Hill (Metaliferi Massif, Apuseni Mountains, Romania). The Canadian Mineralogist, 51(3), 359-375.
Russia
Eastern-Siberian Region Krasnoyarsk Krai Taymyrskiy Autonomous Okrug Taimyr Peninsula Putoran Plateau ⓘ Noril'sk	Spiridonov, E. M. (2010). Ore-magmatic systems of the Noril’sk ore field. Russian Geology and Geophysics, 51(9), 1059-1077.
Sakha Republic (Yakutia) ⓘ Aldan Shield	[World of Stones 12:49]
Far-Eastern Region Chukotskii Autonomous Okrug Koryakskoe plateau ⓘ Tamvatnei massif	http://geo.web.ru/druza/l-Tamvatnei.htm
Northern Caucasus Region Kabardino-Balkarian Republic Baksan Valley ⓘ Tyrnyauz Mo-W deposit (Tyrny Auz deposit)	Pavel M. Kartashov data; Kulikov, I. V., & Boyarskaya, R. V. (1989). Hydrosaline melts in inclusions in fluorite from the Tyrnyauz Deposit. International Geology Review, 31(10), 1039-1054.
Upper Chegem volcanic caldera (Verkhnechegemskaya caldera) ⓘ Lakargi Mt.	A. E. Zadov data
Urals Region Middle Urals Sverdlovskaya Oblast' Asbest ⓘ Bazhenovskoe deposit	Antonov A.A. [Антонов А.А.] (2003): Mineralogy of rodingites of the Bazhenovsk ultrabasic massif [Минералогия родингитов Баженовского гипербазитого массива]. Nauka, Sankt-Peterburg, 129 pp. (in Russian).
Southern open pit ⓘ Western wall	Chukanov, N.V., Kasatkin, A.V., Zubkova, N. V., Britvin, S.N., Pautov, L.A., Pekov, I.V., Varlamov, D.A., Bychkova, Ya. V., Loskutov, A.B., Novgorodova, E.A. (2016): Tatarinovite Са3Al(SO4)[В(ОH)4](ОH)6 · 12H2O, a new ettringite-group mineral from the Bazhenovskoe deposit, Middle Urals, Russia, and its crystal structure. Geology of Ore Deposits 58: 653-665.
Sysert' District Polevskoi (Polevskoi Zavod) ⓘ Gumeshevskii Cu Mine (Gumeshevskoye) ?	Grabezhev, A. I., Pertsev, N. N., Zadov, A. E., Pribavkin, S. V., & Murzin, V. V. (2007). Calcic hydrosilicate metasomatic rocks at the Gumeshevsk skarn-porphyry copper deposit in the central Urals, Russia. Petrology, 15(5), 514-522.
South Africa
Limpopo Province Phalaborwa Loolekop ⓘ Palabora mine (Foscor open pit; PMC mine)	Minerals of South Africa; Gliddon, J. (1996) Minerals of the Palabora open pit. British Micromount Society 43:2-7
Northern Cape Province Kalahari manganese field Black Rock ⓘ Black Rock Mine	Rob Lavinsky photo
Hotazel ⓘ Wessels Mine	Giester, G., & Rieck, B. (1996). Wesselsite, SrCu [Si4Olo], a further new gillespite-group mineral from the Kalahari Manganese Field, South Africa. Mineralogical Magazine, 60, 795-798.
Kuruman N'Chwaning Mines ⓘ N'Chwaning II Mine	Minerals of South Africa
ⓘ N'Chwaning III Mine	In the collection of Brent Thorne. Acquired from Rob Lavinsky.
Sweden
Medelpad Sundsvall ⓘ Alnö	Sandström, F., Binett, T., Wiklund, C. & Vikström, J. (2010): Alnöområdets geologi och mineralogi. Litiofilen. 27 (2) :14-42
Värmland Filipstad ⓘ Långban	Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Persberg district Pajsberg ⓘ Harstigen Mine	Mofjell, E.(1990): Xonotlite, Harstigen. Långbansnytt. vol 6 [reprinted in: Långbansnytt. De första 20 åren 1983-2003. Långbansällskapet - Skrifter och rapporter. 2, 141]; Mofjell, E. (1990): Mineralnytt från Sverige. STEIN 17(4),38
UK
Northern Ireland Co. Antrim Glenoe ⓘ Carneal	Henmi, C., Kusachi, I., Henmi, K., Sabine, P.A., and Young, B.R. (1973) A new mineral bicchulite, the natural analogue of gehlenite hydrate, from Fuka, Okayama Prefecture, Japan and Carneal, County Antrim, Northern Ireland, Mineralogical Journal, 7, 243-251.
Larne ⓘ Scawt Hill	https://e-rocks.com/item/csw205175/larnite-tobermorite-xontolite
Scotland Aberdeenshire Huntly The Bin (Bin of Huntly) ⓘ Bin Hill Quarry	BMS Collection
Argyll and Bute Isle of Mull ⓘ Creag Mhor (Creag Thor)	[Specimen in the Natural History Museum, London]
ⓘ Kilfinnichan	Dana 6:569
ⓘ Loch Na Keal	Dana 6:569
Highland Ardnamurchan ⓘ Camphouse	American Mineralogist 35:1080
Glen Urquhart ⓘ Millton	[Specimen in the Natural History Museum, London]
Isle of Skye Trotternish Portree ⓘ Staffin Road	Sweet, J. M., Bothwell, D. I., & Williams, D. L. (1961). Tacharanite and Other Hydrated Calcium Silicates from Portree, Isle of Skye. Mineral. Mag, 32, 745-53.
USA
Arizona Gila Co. Dripping Spring Mts Banner District Christmas area Christmas ⓘ Christmas Mine (Red Bird shafts; Inspiration Mine; Hackberry shafts)	Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 358, 428; Cesbron, F.P. & S.A. Williams (1980), Apachite and gilalite, two new copper silicates from Christmas, AZ, Mineralogical Magazine: 43: 639-641.; Bob Meyer (2012) Micro Mineral Collector. Friends of Mineralogy National Newsletter 42:10-13
California Colusa Co. Coast Ranges Stonyford ⓘ Stony Creek bridge roadcut	Mr. Gail E. Dunning.
Mendocino Co. Cloverdale area Russian River ⓘ Rosenhahnite occurrence	Pabst, Adolf, Gross, E.B., and Alfors, J.T. (1967) Rosenhahnite, a new hydrous calcium silicate from Mendocino County, California. American Mineralogist: 52: 336; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 409.
Coastal Range Reeves Place Leech Lake Mountain ⓘ Leech Lake Mountain occurrences	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 390; Pemberton, H. Earl (1983), Minerals of California: 409, 410.
Monterey Co. Diablo Range Priest Valley ⓘ West of Priest Valley	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 390.
Riverside Co. Crestmore Crestmore quarries Sky Blue Hill ⓘ Commercial Quarry	Eakle, Arthur Starr (1917), Minerals associated with the crystalline limestone at Crestmore, Riverside County, California: University of California Department of Geological Sciences Bulletin: 10: 327-360; Eakle, Arthur Starr (1921), Jurupaite, a new mineral: American Mineralogist: 6: 107-109; Woodford, A.O., Crippen, R.A., and Garner, K.B. (1941) Section Across Commercial Quarry, Crestmorre, California. American Mineralogist: 26: 352-381; Daly, John W. (1935), Paragenesis of mineral assemblages at Crestmore, California American Mineralogist: 20: 654; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 409.
San Francisco Co. ⓘ San Francisco	www.missourigeologists.org/Min-Loc1-2005.pdf.
ⓘ Army Street	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 115, 390.
Fort Point ⓘ Marshall Beach	Eakle, Arthur Starr (1901), Mineralogical notes; with chemical analyses by W.T. Schaller: University of California, Department of Geological Science Bulletin: 2: 316; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 222, 390; Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 201-202, 409.
Santa Barbara Co. Guadalupe ⓘ Point Sal	Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 409.
Santa Ynez ⓘ J.C. Keyes claim	Hanks, Henry Garber (1888), Pectolite Mining and Scientific Press: 56: 44; Irelan, William, Jr. (1890a), Ninth annual report of the State Mineralogist: California Mining Bureau. Report 9, 352 pp.: 47; Larsen, Esper Signius (1923), The identity of eakleite and xonotlite: American Mineralogist: 8: 181-182; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 285.
ⓘ Unspecified Xonotlite occurrence	Larsen, Esper Signius (1917), Eakleite, a new mineral from California: American Journal of Science, 4th. series: 43: 464-465; Larsen, Esper Signius (1923), The identity of eakleite and xonotlite: American Mineralogist: 8: 181-182; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 173, 390.
Maryland Montgomery Co. Rockville ⓘ Hunting Hill quarry (Rockville Crushed Stone Quarry; Travilah Quarry; Rockville Quarry; Bardon Stone Quarry; Aggregate Industries Quarry)	[MinRec 30:467]
Michigan Keweenaw Co. Lake Superior ⓘ Isle Royale National Park	AmMin 7:23
Minnesota Cook Co. ⓘ Mineral Center	Schwartz, G.M. (1924) An occurrence of xonotlite in Minnesota. American Mineralogist: 9: 32-33.
Missouri St. Genevieve Co. ⓘ Avon diatreme	R&M 73:2 pp 98-117
New Jersey Sussex Co. Franklin mining district Franklin ⓘ Franklin Mine	Palache(1935):114; Dunn(1995):Pt3:450.
ⓘ Mill site dump	FOMS Millsite Committee (1986) (circa), List of Mineral Species Found on the Franklin Mill Site, Franklin-Ogdensburg Mineralogical Society (unpublished).
ⓘ Parker Shaft (Parker Mine)	Beth Schaefer
North Carolina Durham Co. Durham ⓘ Durham Quarry	Kenny Gay message 15.09.2005 Smithsonian Institution Mineral Reference Collection No.171443-00,171453-00,and 171444-00.
Puerto Rico ⓘ Yauco	AmMin 38:860
Texas Culberson Co. Apache Peak area ⓘ Marble Canyon Mine (Texas Agricultural Aggregates Quarry)	Rocks & Minerals: 66(3): 196-224.; Am Min 51:1766-1774
Vermont Orleans & Lamoille Cos. Lowell & Eden ⓘ Belvidere Mountain Quarries (Vermont Asbestos Group Mine; VAG Mine; Ruberoid Asbestos Mine; Eden Mills Quarries)	Rocks & Min. Vol. 71, (1996)
Virginia Loudoun Co. ⓘ Leesburg	AmMin 10:12
ⓘ Leesburg Quarry	Minerals of Virginia 1990 by R. V. Dietrich
ⓘ White Quarry	Minerals of Virginia 1990 by R. V. Dietrich
Washington Skagit Co. Cypress Island ⓘ Beacon Point	Cannon, B. (1975): Minerals of Washington, p.74
ⓘ Reef Point	Cannon, B. (1975): Minerals of Washington, p.74
Triangulation Point ⓘ Olivine Hill Claim	Cannon, B. (1975): Minerals of Washington, p.74
Whatcom Co. ⓘ Sumas Mountain	Cannon, B. (1975): Minerals of Washington, p.85
ⓘ Abandoned Quarry	Minerals of Washington, B. Cannon, 1975
ⓘ Sumas Mountain area	Minerals of Washington, B. Cannon, 1975