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San Francisco Co., California, USAi
Regional Level Types
San Francisco Co.County
CaliforniaState
USACountry

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Key
Neighbouring regions:
Locality type:
Largest Settlements:
PlacePopulation
San Francisco864,816 (2017)
Chinatown100,574 (2017)
Mission District47,234 (2017)
Noe Valley22,893 (2017)
Visitacion Valley22,534 (2017)
Other Languages:
French:
San Francisco, Californie, États-Unis
German:
San Francisco, Kalifornien, Vereinigte Staaten
Italian:
San Francisco, California, Stati Uniti d'America
Russian:
Сан-Франциско, Калифорния, Соединённые Штаты Америки
Simplified Chinese:
旧金山, 加利福尼亚州, 美国
Spanish:
San Francisco, California, Estados Unidos
Afrikaans:
San Francisco, Kalifornië, Verenigde State van Amerika
Albanian:
San Francisco, Kalifornia, Shtetet e Bashkuara të Amerikës
Alemannic:
San Francisco, Kalifornien, USA
Amharic:
ሳን ፍራንሲስኰ, ካሊፎርኒያ, አሜሪካ
Arabic:
سان فرانسيسكو, كاليفورنيا, الولايات المتحدة
Aragonese:
San Francisco, California
Armenian:
Սան Ֆրանցիսկո, Կալիֆոռնիա, Ամերիկայի Միացյալ Նահանգներ
Asturian:
San Francisco, California, Estaos Xuníos d'América
Azeri:
San-Fransisko, Kaliforniya, Amerika Birləşmiş Ştatları
Bambara:
San Francisco, Amerika ka Kelenyalen Jamanaw
Bashkir:
Сан-Франциско, Калифорния, Америка Ҡушма Штаттары
Basque:
San Frantzisko, Kalifornia
Bavarian:
San Francisco, Kalifornien, Vaoanigte Stootn
Belarusian:
Сан-Францыска, Каліфорнія, Злучаныя Штаты Амерыкі
Belarusian (Tarashkevitsa):
Сан-Францыска, Каліфорнія, Злучаныя Штаты Амэрыкі
Bengali:
সান ফ্রান্সিস্কো, ক্যালিফোর্নিয়া, মার্কিন যুক্তরাষ্ট্র
Bishnupriya Manipuri:
সান ফ্রান্সিসকো কাউন্টি, ক্যালিফোর্নিয়া, তিলপারাষ্ট্র
Bosnian:
San Francisco, Kalifornija, Sjedinjene Američke Države
Breton:
San Francisco, Kalifornia, Stadoù-Unanet Amerika
Bulgarian:
Сан Франциско, Калифорния, Съединени американски щати
Burmese:
ဆန်ဖရန်စစ္စကိုမြို့, ကယ်လီဖိုးနီးယားပြည်နယ်, အမေရိကန်ပြည်ထောင်စု
Catalan:
San Francisco, Califòrnia, Estats Units d’Amèrica
Cebuano:
San Francisco, California
Chechen:
Сан-Франциско, Калифорни, Америкин Цхьаьнатоьхна Штаташ
Cheyenne:
San Francisco, California, United States
Chuvash:
Сан-Франциско, Калифорни, Пĕрлешнĕ Штатсем
Cornish:
San Francisco, Kaliforni, Statys Unys
Corsican:
San Francisco, California, Stati Uniti d'America
Croatian:
San Francisco, Kalifornija, Sjedinjene Američke Države
Czech:
San Francisco, Kalifornie, Spojené státy americké
Danish:
San Francisco, Californien, USA
Doteli:
सान फ्रान्सिस्को, संयुक्त राज्य अमेरिका
Dutch:
San Francisco, Verenigde Staten
Egyptian Arabic:
سان فرانسيسكو, كاليفورنيا, امريكا
Emilian-Romagnol:
San Francisco, Califòrgna, Stat Unî
Esperanto:
San-Francisko, Kalifornio
Estonian:
San Francisco, California, Ameerika Ühendriigid
Extremaduran:
San Franciscu, Estaus Uníus
Faroese:
San Francisco
Farsi/Persian:
سان فرانسیسکو, کالیفرنیا, ایالات متحده آمریکا
Fijian:
San Francisco, United States
Finnish:
San Francisco, Kalifornia, Yhdysvallat
Galician:
San Francisco, California, Estados Unidos de América
Gan:
舊金山, 加利福尼亞州, 美國
Georgian:
სან-ფრანცისკო, კალიფორნია, ამერიკის შეერთებული შტატები
Greek:
Σαν Φρανσίσκο, Καλιφόρνια, Ηνωμένες Πολιτείες Αμερικής
Haitian:
San Francisco, Kalifòni, Etazini
Hakka:
San Francisco, California
Hausa:
San Francisco, Tarayyar Amurka
Hawaiian:
Kapalakiko, Kaleponi, ‘Amelika Hui Pū ‘ia
Hebrew:
סן פרנסיסקו, קליפורניה, ארצות הברית
Hill Mari:
Сан-Франциско, Калифорни, Америкын Ушымы Штатвлӓжӹ
Hindi:
सैन फ़्रांसिस्को, कैलिफ़ोर्निया, संयुक्त राज्य
Hungarian:
San Francisco, Kalifornia, Amerikai Egyesült Államok
Icelandic:
San Francisco, Kalifornía, Bandaríkin
Ido:
San Francisco, Kalifornia, Usa
Iloko:
San Francisco, California, Estados Unidos iti Amerika
Indonesian:
San Francisco, California, Amerika Serikat
Interlingua:
San Francisco, California, Statos Unite de America
Irish Gaelic:
San Francisco, California, Stáit Aontaithe Mheiriceá
Japanese:
サンフランシスコ, カリフォルニア州, アメリカ合衆国
Javanese:
San Francisco, California, Amérika Sarékat
Judaeo-Spanish:
San Francisco, Kalifornia, Estados Unidos de Amerika
Kabiye:
Sanfransiskoo, Kalɩfɔrnii, Etaazuunii
Kabyle:
San Francisco, Kalifurnya, Iwunak Yeddukklen n Temrikt
Kapampangan:
San Francisco, California, Estados Unidos
Karachay-Balkar:
Сан-Франциско, Калифорния, Американы Бирлешген Штатлары
Kazakh (Cyrillic Script):
Сан-Франциско, Калифорния, Америка Құрама Штаттары
Kikuyu:
San Francisco, United States
Korean:
샌프란시스코, 캘리포니아주, 미국
Kurdish (Latin Script):
San Francisco, Kalîforniya, Dewletên Yekbûyî yên Amerîkayê
Kyrgyz:
Сан-Франциско, Калифорния, Америка Кошмо Штаттары
Latin:
Franciscopolis, California, Civitates Foederatae Americae
Latvian:
Sanfrancisko, Kalifornija, Amerikas Savienotās Valstis
Limburgian:
San Francisco, Californië, Vereinegde Staote vaan Amerika
Lingala:
San Francisco, Lisangá lya Ameríka
Lithuanian:
San Fransiskas, Kalifornija, Jungtinės Amerikos Valstijos
Lombard:
San Francisco, California, Stat Ünì d'America
Low Saxon/Low German:
San Francisco, Kalifornien, USA
Luri:
سان‌ فرانسیسکو, کاليفورنيا, ڤولاتچٱیا یٱکاگرتٱ آمریکا
Luxembourgish:
San Francisco, Kalifornien, Vereenegt Staate vun Amerika
Macedonian:
Сан Франциско, Калифорнија, Соединети Американски Држави
Malagasy:
San Francisco, Kalifornia, Etazonia
Malay:
San Francisco, California, Amerika Syarikat
Malayalam:
സാൻ ഫ്രാൻസിസ്കോ, കാലിഫോർണിയ
Manx:
San Francisco, California, Steatyn Unnaneysit America
Maori:
San Francisco, Karapōnia, Hononga-o-Amerika
Marathi:
सॅन फ्रान्सिस्को, कॅलिफोर्निया, अमेरिकेची संयुक्त संस्थाने
Meadow Mari:
Сан-Франциско, Калифорний, Ушымо Американ Штат-влак
Min Dong Chinese:
Gô-gĭng-săng, California
Mingrelian:
სან-ფრანცისკო, კალიფორნია, ამერიკაშ აკოართაფილი შტატეფი
Mongolian:
Сан-Франциско, Калифорни, Америкийн Нэгдсэн Улс
Nahuatl:
San Francisco, California
Nauruan:
San Francisco, California, Eben Merika
Navajo:
Naʼníʼá Hóneezí, Ahééháshį́į́h Hahoodzo, Wááshindoon Bikéyah Ałhidadiidzooígíí
Nepali:
सान फ्रान्सिस्को, क्यालिफोर्निया, संयुक्त राज्य अमेरिका
Newar / Nepal Bhasa:
स्यान फ्रान्सिस्को, क्यालिफोर्निया, संयुक्त राज्य अमेरिका
Norwegian:
San Francisco, California, USA
Norwegian (Nynorsk):
San Francisco, California, USA
Occitan:
San Francisco, Califòrnia, Estats Units d'America
Ossetian:
Сан-Франциско, Калифорни, Америкæйы Иугонд Штаттæ
Papiamento:
San Francisco, California, Estadonan Uni di Merka
Pennsylvania German:
San Francisco, Kalifornie, Amerikaa
Piedmontese:
San Francisco, Califòrnia, Stat Unì d'América
Polish:
San Francisco, Kalifornia, Stany Zjednoczone
Portuguese:
São Francisco, Califórnia, Estados Unidos
Punjabi:
ਸਾਨ ਫ਼ਰਾਂਸਿਸਕੋ, ਕੈਲੀਫ਼ੋਰਨੀਆ, ਸੰਯੁਕਤ ਰਾਜ ਅਮਰੀਕਾ
Quechua:
San Francisco, California suyu, Hukllachasqa Amirika Suyukuna
Romanian:
San Francisco, California, Statele Unite ale Americii
Sardinian:
San Francisco, Califòrnia, Istados Unidos de Amèrica
Saterland Frisian:
San Francisco, Kalifornien, Fereende Stoaten fon Amerikoa
Scots:
San Francisco, Californie
Scottish Gaelic:
San Francisco, Calafòrnia, Na Stàitean Aonaichte
Serbian:
Сан Франциско, Калифорнија, Сједињене Америчке Државе
Serbo-Croatian:
San Francisco, Kalifornija, Sjedinjene Američke Države
Sicilian:
San Franciscu, California, Stati Uniti
Silesian:
San Francisco, Kaliforńijo, Zjednoczůne Sztaty
Sinhalese:
සැන් ෆ්‍රැන්සිස්කෝ, එක්සත් ජනපදය
Slovak:
San Francisco, Kalifornia, Spojené štáty
Slovenian:
San Francisco, Kalifornija, Združene države Amerike
Somali:
San Fransisko, Kalifornia, Gobolada Isku Tegay ee Ameerika
South Azerbaijani:
سان فرانسیسکو, کالیفورنیا ایالتی, آمریکا بیرلشمیش ایالتلری
Swahili:
San Francisco, California, Marekani
Swedish:
San Francisco, Kalifornien, USA
Tagalog:
San Francisco, California, Estados Unidos
Tahitian:
San Francisco, Fenua Marite
Tamil:
சான் பிரான்சிஸ்கோ, கலிபோர்னியா, அமெரிக்க ஐக்கிய நாடு
Tatar:
Сан-Франциско, Калифорния (штат), Америка Кушма Штатлары
Telugu:
శాన్ ఫ్రాన్సిస్కో, కాలిఫోర్నియా, అమెరికా సంయుక్త రాష్ట్రాలు
Thai:
ซานฟรานซิสโก, รัฐแคลิฟอร์เนีย, ประเทศสหรัฐอเมริกา
Tibetan (Standard):
སན་ཧྥུ་རན་སིས་ཁོ, ཁྰ་ལེ་ཧྥོར་ནི་ཡ།, ཨ་མེ་རི་ཁ་རྒྱལ་ཕྲན་མཉམ་འབྲེལ་རྒྱལ་ཁབ།
Traditional Chinese:
三藩市, 加利福尼亞州, 美國
Turkish:
San Francisco, Kaliforniya, Amerika Birleşik Devletleri
Twi:
San Francisco, Amerika
Ukrainian:
Сан-Франциско, Каліфорнія, Сполучені Штати Америки
Urdu:
سان فرانسسکو, کیلیفورنیا, ریاستہائے متحدہ امریکا
Uyghur:
San Fransisko, Kaliforniye Shitati, ئامېرىكا قوشما شىتاتلىرى
Uzbek (Latin Script):
San Fransisko, Kaliforniya, Amerika Qoʻshma Shtatlari
Venetian:
San Francisco, Całifornia, Stati Unii de ła Mèrica
Veps:
San Francisko, Amerikan Ühtenzoittud Valdkundad
Vietnamese:
San Francisco, California, Chủng Quốc Hoa Kỳ
Vlax Romani:
San Francisco, Phandle Staturya la Amerikiyake
Volapük:
San Francisco, Kalifornän, Lamerikän
Waray:
San Francisco, California, Estados Unidos
Welsh:
San Francisco, Califfornia, Unol Daleithiau America
West Frisian:
San Francisco, Kalifornje, Feriene Steaten
Western Punjabi:
سان فرانسسکو, کیلیفورنیا, امریکہ
Wu Chinese:
舊金山, 加利福尼亚, 美国
Yakut:
Сан Франсиско, Калифорния, Америка Холбоһуктаах Штааттара
Yiddish:
סאן פראנציסקא, קאליפארניע, פאראייניקטע שטאטן פון אמעריקע
Yoruba:
San Francisco, Kalifọ́rníà
Zazaki:
San Francisco, Kaliforniya, Dewletê Amerikayê Yewbiyayey


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Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

31 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Antigorite
Formula: Mg3(Si2O5)(OH)4
Reference: www.dvminerals.com/thumbs.html
'Apophyllite'
Aragonite
Formula: CaCO3
Habit: Slender prisms
Colour: Colourless
Description: Occurs in seams in serpentine.
Reference: Eakle, Arthur Starr (1901), Mineralogical notes; with chemical analyses by W.T. Schaller: University of California, Department of Geological Science Bulletin: 2: 316; Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 60; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 216; www.missourigeologists.org/Min-Loc1-2005.pdf.
Baryte
Formula: BaSO4
Habit: Tabular
Description: Occurs as crystals in seams in serpentine.
Reference: 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: 98; www.missourigeologists.org/Min-Loc1-2005.pdf.
Brucite
Formula: Mg(OH)2
Calcite
Formula: CaCO3
Description: Occurs as crystals exhibiting uncommon faces to several cm in size.
Reference: Schaller, Waldemar Theodore (1911a), Mineralogical notes, series 1: USGS Bulletin 490: 103; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 118; www.missourigeologists.org/Min-Loc1-2005.pdf.
Chromite
Formula: Fe2+Cr3+2O4
Description: Occurs in beach sands.
Reference: Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 137; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 141.
Cinnabar
Formula: HgS
'Clinochrysotile'
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 58; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 424.
Coalingite
Formula: Mg10Fe3+2(OH)24[CO3] · 2H2O
Colour: Golden-brown
Description: Occurs as veinlets 1 to 2 mm thick in serpentine that is largely altered to pyroaurite.
Reference: Learned, E. (1965) Sjogrenite confirmed from California. Gems and Minerals: 332: 54; Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 59, 62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 199.
Datolite
Formula: CaB(SiO4)(OH)
Colour: White
Description: Occurs as glassy crystals and white veins in an altered diabase dike in serpentine.
Reference: Eakle, Arthur Starr (1901), Mineralogical notes; with chemical analyses by W.T. Schaller: University of California, Department of Geological Science Bulletin: 2: 317; Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 97; Schaller, Waldemar Theodore (1911a), Mineralogical notes, series 1: USGS Bulletin 490: 103; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 508; Rocks & Minerals (2010): 85: 338-345; www.missourigeologists.org/Min-Loc1-2005.pdf.
Diopside
Formula: CaMgSi2O6
Diopside var: Diallage
Formula: CaMgSi2O6
Description: Not specifically identified. Occurs as grains in serpentine.
Reference: Palache, Charles (1894a), The Iherzolite serpentine and associated rocks of the Potrero, San Francisco: University of California, Department of Geological Sciences Bulletin: 1: 166; Lawson, Andrew Cowper (1895), Sketch of the geology of the San Francisco peninsula: USGS 15th. Ann. Report: 447; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 308.
Enstatite
Formula: Mg2Si2O6
Description: Abundant in serpentine.
Reference: Blake, Wm. P. (1858), Report of a geological reconnaissance in California 370 pp., New York: 307; Palache, Charles (1894a), The Iherzolite serpentine and associated rocks of the Potrero, San Francisco: University of California, Department of Geological Sciences Bulletin: 1: 166; Lawson, Andrew Cowper (1895), Sketch of the geology of the San Francisco peninsula: USGS 15th. Ann. Report: 447; Eakle, Arthur Starr (1901), Mineralogical notes; with chemical analyses by W.T. Schaller: University of California, Department of Geological Science Bulletin: 2: 316; Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 81; Taliaferro, Nicholas Lloyd (1943b), Franciscan-Knoxville problem: American Association of Petroleum Geologists Bulletin 27: 154.
Epsomite
Formula: MgSO4 · 7H2O
Colour: White
Description: Occurs as mixtures with hexahydrite. Soft, powdery efflorescences on protected surfaces of serpentine.
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 267.
'Fayalite-Forsterite Series'
Reference: Palache, Charles (1894a), The Iherzolite serpentine and associated rocks of the Potrero, San Francisco: University of California, Department of Geological Sciences Bulletin: 1: 166; Lawson, Andrew Cowper (1895), Sketch of the geology of the San Francisco peninsula: USGS 15th. Ann. Report: 447; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 308.
Gold
Formula: Au
Description: Placer material. Occurs in black sands.
Reference: Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 30.
Gyrolite
Formula: NaCa16Si23AlO60(OH)8 · 14H2O
Description: Occurs as spherical or massive with apophyllite; platy or plumose aggregates replacing wall rock in fissures of basalt.
Reference: Schaller, Waldemar Theodore (1905b), Mineralogical notes: USGS Bulletin 262: 124, 126; Schaller, Waldemar Theodore (1911a), Mineralogical notes, series 1: USGS Bulletin 490: 103; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 445, 447; www.missourigeologists.org/Min-Loc1-2005.pdf.
Hexahydrite
Formula: MgSO4 · 6H2O
Colour: White
Description: Occurs as mixtures with epsomite. Soft, powdery efflorescences on protected surfaces of serpentine.
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 267.
Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
Idrialite
Formula: C22H14
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 58; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 424.
Magnesite
Formula: MgCO3
Mercury
Formula: Hg
Millerite
Formula: NiS
Description: Occurs commonly disseminated on shear cleavage surfaces in the serpentines.
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 65.
Nesquehonite
Formula: MgCO3 · 3H2O
Colour: White
Description: Soft surface efflorescences in moist places in serpentine.
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 203.
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Colour: Brown
Description: Occurs as crumbly veins 2.5 to 3.0 cm thick in some serpentines.
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 63; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441.
Opal
Formula: SiO2 · nH2O
Colour: colorless
Description: Thin layers of botryoidal colorless opal in crevices of serpentinites.
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.
'Orthochrysotile'
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 58; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 424.
Pectolite
Formula: NaCa2Si3O8(OH)
Description: Occurs as veins of fibrous material in an altered dike that intersects serpentine.
Reference: Eakle, Arthur Starr (1901), Mineralogical notes; with chemical analyses by W.T. Schaller: University of California, Department of Geological Science Bulletin: 2: 316; Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 96; Schaller, Waldemar Theodore (1911a), Mineralogical notes, series 1: USGS Bulletin 490: 103; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 410.
Pyrite
Formula: FeS2
Reference: Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 65.
Pyroaurite
Formula: Mg6Fe3+2(OH)16[CO3] · 4H2O
'Pyroaurite-2H'
Formula: Mg6Fe3+2(OH)16(CO3) · 4H2O
Description: Occurws as thin coatings with hydromagnesite on fractures in serpentine.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 340; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 199.
Quartz
Formula: SiO2
Quartz var: Chalcedony
Formula: SiO2
Quartz var: Jasper
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Taranakite
Formula: (K,NH4)Al3(PO4)3(OH) · 9H2O
Description: Originally reported as "minervite." Occurs in a cave.
Reference: Hanna, G. Dallas (1951), Geology of the Farallon Islands: California Division Mines Bulletin 154: 301-310; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 314.
Wollastonite
Formula: CaSiO3
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 387.
Xonotlite
Formula: Ca6(Si6O17)(OH)2

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Mercury1.AD.05Hg
Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Millerite2.CC.20NiS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Brucite4.FE.05Mg(OH)2
Chromite4.BB.05Fe2+Cr3+2O4
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Coalingite5.DA.55Mg10Fe3+2(OH)24[CO3] · 2H2O
Hydromagnesite5.DA.05Mg5(CO3)4(OH)2 · 4H2O
Magnesite5.AB.05MgCO3
Nesquehonite5.CA.05MgCO3 · 3H2O
Pyroaurite5.DA.50Mg6Fe3+2(OH)16[CO3] · 4H2O
'Pyroaurite-2H'5.DA.45Mg6Fe3+2(OH)16(CO3) · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Epsomite7.CB.40MgSO4 · 7H2O
Hexahydrite7.CB.25MgSO4 · 6H2O
Group 8 - Phosphates, Arsenates and Vanadates
Taranakite8.CH.25(K,NH4)Al3(PO4)3(OH) · 9H2O
Group 9 - Silicates
Antigorite9.ED.15Mg3(Si2O5)(OH)4
'Clinochrysotile'9.ED.
Datolite9.AJ.20CaB(SiO4)(OH)
Diopside9.DA.15CaMgSi2O6
var: Diallage9.DA.15CaMgSi2O6
Enstatite9.DA.05Mg2Si2O6
Gyrolite9.EE.30NaCa16Si23AlO60(OH)8 · 14H2O
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Nontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Pectolite9.DG.05NaCa2Si3O8(OH)
Wollastonite9.DG.05CaSiO3
Xonotlite9.DG.35Ca6(Si6O17)(OH)2
Group 10 - Organic Compounds
Idrialite10.BA.20C22H14
Unclassified Minerals, Rocks, etc.
'Apophyllite'-
'Fayalite-Forsterite Series'-
'Orthochrysotile'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Mercury1.1.7.1Hg
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Millerite2.8.16.1NiS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
X(OH)2
Brucite6.2.1.1Mg(OH)2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 13 - ACID CARBONATES
Miscellaneous
Nesquehonite13.1.5.1MgCO3 · 3H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Pyroaurite16b.6.2.3Mg6Fe3+2(OH)16[CO3] · 4H2O
'Pyroaurite-2H'16b.6.1.3Mg6Fe3+2(OH)16(CO3) · 4H2O
Coalingite16b.7.6.1Mg10Fe3+2(OH)24[CO3] · 2H2O
Hydromagnesite16b.7.1.1Mg5(CO3)4(OH)2 · 4H2O
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Epsomite29.6.11.1MgSO4 · 7H2O
Hexahydrite29.6.8.1MgSO4 · 6H2O
Group 39 - HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
Miscellaneous
Taranakite39.3.6.1(K,NH4)Al3(PO4)3(OH) · 9H2O
Group 50 - ORGANIC COMPOUNDS
Hydrocarbons
Idrialite50.3.10. C22H14
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1Mg2Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Wollastonite65.2.1.1cCaSiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Ca-Na subgroup
Xonotlite66.3.1.1Ca6(Si6O17)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Antigorite71.1.2a.1Mg3(Si2O5)(OH)4
'Clinochrysotile'71.1.2d.1
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 clays
Nontronite71.3.1a.3Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Group 73 - PHYLLOSILICATES Condensed Tetrahedral Sheets
Condensed Tetrahedral Sheets with double and single layers
Gyrolite73.2.2c.1NaCa16Si23AlO60(OH)8 · 14H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Apophyllite'-
Aragonite-CaCO3
Diopside
var: Diallage
-CaMgSi2O6
'Fayalite-Forsterite Series'-
'Orthochrysotile'-
Quartz
var: Chalcedony
-SiO2
var: Jasper-SiO2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
H AntigoriteMg3(Si2O5)(OH)4
H DatoliteCaB(SiO4)(OH)
H GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
H XonotliteCa6(Si6O17)(OH)2
H BruciteMg(OH)2
H IdrialiteC22H14
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H LizarditeMg3(Si2O5)(OH)4
H EpsomiteMgSO4 · 7H2O
H HexahydriteMgSO4 · 6H2O
H NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
H Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
H PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
H NesquehoniteMgCO3 · 3H2O
H CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
H Pyroaurite-2HMg6Fe23+(OH)16(CO3) · 4H2O
H PectoliteNaCa2Si3O8(OH)
H OpalSiO2 · nH2O
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
C AragoniteCaCO3
C CalciteCaCO3
C IdrialiteC22H14
C MagnesiteMgCO3
C PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
C NesquehoniteMgCO3 · 3H2O
C CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
C Pyroaurite-2HMg6Fe23+(OH)16(CO3) · 4H2O
OOxygen
O HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
O AntigoriteMg3(Si2O5)(OH)4
O DatoliteCaB(SiO4)(OH)
O GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
O AragoniteCaCO3
O BaryteBaSO4
O CalciteCaCO3
O XonotliteCa6(Si6O17)(OH)2
O BruciteMg(OH)2
O Quartz (var: Chalcedony)SiO2
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O ChromiteFe2+Cr23+O4
O MagnesiteMgCO3
O QuartzSiO2
O EnstatiteMg2Si2O6
O Diopside (var: Diallage)CaMgSi2O6
O LizarditeMg3(Si2O5)(OH)4
O EpsomiteMgSO4 · 7H2O
O HexahydriteMgSO4 · 6H2O
O NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
O DiopsideCaMgSi2O6
O Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
O PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
O NesquehoniteMgCO3 · 3H2O
O CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
O WollastoniteCaSiO3
O Pyroaurite-2HMg6Fe23+(OH)16(CO3) · 4H2O
O PectoliteNaCa2Si3O8(OH)
O OpalSiO2 · nH2O
NaSodium
Na GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Na NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Na PectoliteNaCa2Si3O8(OH)
MgMagnesium
Mg HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Mg AntigoriteMg3(Si2O5)(OH)4
Mg BruciteMg(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg MagnesiteMgCO3
Mg EnstatiteMg2Si2O6
Mg Diopside (var: Diallage)CaMgSi2O6
Mg LizarditeMg3(Si2O5)(OH)4
Mg EpsomiteMgSO4 · 7H2O
Mg HexahydriteMgSO4 · 6H2O
Mg DiopsideCaMgSi2O6
Mg PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
Mg NesquehoniteMgCO3 · 3H2O
Mg CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
Mg Pyroaurite-2HMg6Fe23+(OH)16(CO3) · 4H2O
AlAluminium
Al GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Al Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
SiSilicon
Si AntigoriteMg3(Si2O5)(OH)4
Si DatoliteCaB(SiO4)(OH)
Si GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Si XonotliteCa6(Si6O17)(OH)2
Si Quartz (var: Chalcedony)SiO2
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si QuartzSiO2
Si EnstatiteMg2Si2O6
Si Diopside (var: Diallage)CaMgSi2O6
Si LizarditeMg3(Si2O5)(OH)4
Si NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Si DiopsideCaMgSi2O6
Si WollastoniteCaSiO3
Si PectoliteNaCa2Si3O8(OH)
Si OpalSiO2 · nH2O
PPhosphorus
P Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
SSulfur
S CinnabarHgS
S BaryteBaSO4
S MilleriteNiS
S PyriteFeS2
S EpsomiteMgSO4 · 7H2O
S HexahydriteMgSO4 · 6H2O
KPotassium
K Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
CaCalcium
Ca DatoliteCaB(SiO4)(OH)
Ca GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca XonotliteCa6(Si6O17)(OH)2
Ca Diopside (var: Diallage)CaMgSi2O6
Ca DiopsideCaMgSi2O6
Ca WollastoniteCaSiO3
Ca PectoliteNaCa2Si3O8(OH)
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe PyriteFeS2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe ChromiteFe2+Cr23+O4
Fe NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Fe PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
Fe CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
Fe Pyroaurite-2HMg6Fe23+(OH)16(CO3) · 4H2O
NiNickel
Ni MilleriteNiS
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
HgMercury
Hg CinnabarHgS
Hg MercuryHg

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Christy, S.B. (1878), The ocean placers of San Francisco: Engineering & Mining Journal: 26: 279.
Mining and Scientific Press (1881), Formation of the San Francisco peninsula: Mining and Scientific Press: 42: 28.
De Groot, Henry (1890), The San Francisco ocean placer – the auriferous beach sands: California Mining Bureau. Report 10: 545-547.
Lawson, Andrew Cowper (1895), Sketch of the geology of the San Francisco peninsula: USGS 15th. Ann. Report: 399-476.
Crandall, Roderic (1907), The geology of the San Francisco peninsula: A. Philosophical Society Proceedings: 46(185): 3-58.
Schaller, Waldemar Theodore (1911), Calcite from San Francisco, California: USGS Bulletin 490: 103-104.
Lawson, Andrew Cowper (1914), Description of the San Francisco district: Tamalpais, San Francisco, Concord, San Mateo, and Hayward quadrangles: USGS Geol. Atlas, San Francisco folio (No. 193), 24 pp.
Huguenin, Emile & W.O. Castello (1921), Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara, Santa Cruz Counties: California Journal of Mines and Geology; California Mining Bureau. (Report 17): 17: 17-42, 48-67, 163-165, 167-241.
Laizure, Clyde McK (1929), Fresno, Alameda, and San Francisco Counties: California Journal of Mines and Geology, California Mining Bureau (Report 25): 25: 242-345, 301-336, 427-456.
Trask, Parker Davies & Jack W Rolston (1951), Engineering geology of San Francisco Bay: Geological Society of America Bulletin: 62: 1079-1110.
Watters, Lucius (1953), Notes on some shoreline minerals of San Francisco, California: Rocks & Minerals: 28(11 & 12): 563-566.
Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.
Rocks & Minerals (2010): 85: 338-345.

Localities in this Region

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