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Clayton, Contra Costa County, California, USA i
Regional Level Types
Clayton City
Contra Costa County County
California State
USA Country

Regional Level Types
Clayton	City
Contra Costa County	County
California	State
USA	Country

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Predictive Mineralogy

Mount Diablo, California

Mount Diablo, Clayton, Contra Costa County, California, USA

Pillow basalt of Franciscan Complex

Mount Diablo, Clayton, Contra Costa County, California, USA

Radiolarian chert of Franciscan Complex

Mount Diablo, Clayton, Contra Costa County, California, USA

Mount Diablo, California

Mount Diablo, Clayton, Contra Costa County, California, USA

Pillow basalt of Franciscan Complex

Mount Diablo, Clayton, Contra Costa County, California, USA

Radiolarian chert of Franciscan Complex

Mount Diablo, Clayton, Contra Costa County, California, USA

Mount Diablo, California

Mount Diablo, Clayton, Contra Costa County, California, USA

Pillow basalt of Franciscan Complex

Mount Diablo, Clayton, Contra Costa County, California, USA

Type:

City

Largest Settlements:

Place	Population
Clayton	11,867 (2017)

Mindat Locality ID:

15568

Long-form identifier:

mindat:1:2:15568:6

GUID (UUID V4):

Other/historical names associated with this locality:

Clayton's; Claytonville

Other Languages:

View 38 more...

French:

Clayton, Comté de Contra Costa, Californie, États-Unis

German:

Clayton, Contra Costa County, Kalifornien, Vereinigte Staaten

Italian:

Clayton, Contea di Contra Costa, California, Stati Uniti d'America

Russian:

Клейтон, Контра-Коста, Калифорния, Соединённые Штаты Америки

Simplified Chinese:

克莱顿 , 康特拉科斯塔县, 加利福尼亚州, 美国

Spanish:

Clayton, Condado de Contra Costa, California, Estados Unidos

Arabic:

كلايتون , مقاطعة كونترا كوستا, كاليفورنيا, الولايات المتحدة

Basque:

Clayton , Contra Costa konderria, Kalifornia

Bulgarian:

Клейтън, Контра Коста, Калифорния, Съединени американски щати

Catalan:

Clayton, Califòrnia, Estats Units d’Amèrica

Cebuano:

Clayton, Contra Costa County, California

Chechen:

Клейтон , Калифорни, Америкин Цхьаьнатоьхна Штаташ

Croatian:

Clayton , Kalifornija, Sjedinjene Američke Države

Danish:

Clayton, Contra Costa County, Californien, USA

Dutch:

Clayton, Contra Costa County, Verenigde Staten

Egyptian Arabic:

كلايتون, كاليفورنيا, امريكا

Farsi/Persian:

کلیتون، کالیفرنیا, شهرستان کنترا کوستا، کالیفرنیا, کالیفرنیا, ایالات متحده آمریکا

Haitian:

Clayton, Kalifòni, Etazini

Hebrew:

קלייטון, קליפורניה, ארצות הברית

Hungarian:

Clayton, Contra Costa megye, Kalifornia, Amerikai Egyesült Államok

Irish Gaelic:

Clayton, Contae Contra Costa, California, Stáit Aontaithe Mheiriceá

Japanese:

クレイトン, コントラコスタ郡, カリフォルニア州, アメリカ合衆国

Korean:

클레이턴, 캘리포니아주, 미국

Ladin:

Clayton

Malagasy:

Clayton, Kalifornia, Etazonia

Malayalam:

ക്ലെയ്റ്റൺ, കോൺട്രാ കോസ്റ്റ കൗണ്ടി, കാലിഫോർണിയ

Minnan / Hokkien-Taiwanese:

Clayton

Newar / Nepal Bhasa:

क्लेटन, क्यालिफोर्निया, संयुक्त राज्य अमेरिका

Norwegian:

Clayton, Contra Costa County, California, USA

Polish:

Clayton, Hrabstwo Contra Costa, Kalifornia, Stany Zjednoczone

Portuguese:

Clayton, Condado de Contra Costa, Califórnia, Estados Unidos

Serbian:

Клејтон, Округ Контра Коста, Калифорнија, Сједињене Америчке Државе

Serbo-Croatian:

Clayton, Contra Costa County, Kalifornija, Sjedinjene Američke Države

South Azerbaijani:

کلایتون، کالیفورنیا, کالیفورنیا ایالتی, آمریکا بیرلشمیش ایالتلری

Swahili:

Clayton, California, Marekani

Swedish:

Clayton, Contra Costa County, Kalifornien, USA

Tagalog:

Clayton, Contra Costa County, California, Estados Unidos

Tatar:

Клейтон , Калифорния (штат), Америка Кушма Штатлары

Turkish:

Clayton, Contra Costa County, Kaliforniya, Amerika Birleşik Devletleri

Ukrainian:

Клейтон, Контра-Коста, Каліфорнія, Сполучені Штати Америки

Urdu:

کلیٹن، کیلیفورنیا, کونٹرا کوسٹا کاؤنٹی، کیلیفورنیا, کیلیفورنیا, ریاستہائے متحدہ امریکا

Uzbek (Latin Script):

Clayton, Kaliforniya, Amerika Qoʻshma Shtatlari

Volapük:

Clayton, Kalifornän, Lamerikän

Waray:

Clayton, Condado han Contra Costa, California, Estados Unidos

A populated place (town).
An incorporated city.

Clayton (formerly Clayton's and Claytonville) is a city in Contra Costa County, California, United States.

Select Mineral List Type

Standard Detailed Gallery Strunz 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

35 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ 'Bituminous clay'

ⓘ 'Dolerite'

ⓘ 'Glaucophane schist'

Detailed Mineral List:

ⓘ Alunogen

Formula: Al₂(SO₄)₃ · 17H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Habit: Fibrous

Colour: White

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Asbestos'

Localities:

Unnamed Asbestos prospects [1] (Prospects East of Russellman), North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unnamed Asbestos prospect [2], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unnamed Asbestos prospect [3], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unnamed Asbestos prospect [4], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Baryte

Formula: BaSO₄

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.

ⓘ Bornite

Formula: Cu₅FeS₄

Locality: Mitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA

Description: Occurs in small quantities.

References:

Turner, Henry Ward (1891), The geology of Mount Diablo, California: Geological Society of America Bulletin: 2: 391

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.2

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 110, 131.

ⓘ Calcite

Formula: CaCO₃

Localities:

Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [2] (Prospects in Perkins Canyon), North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

BRSSI & Land Management Company prospect, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unity claim [?], Eagle Peak, Clayton, Contra Costa County, California, USA
Eagle Peak Au-Cu occurrence, Eagle Peak, Clayton, Contra Costa County, California, USA
Mitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Localities:

Mount Zion Chrome prospect, Eagle Peak, Clayton, Contra Costa County, California, USA
Unnamed Cr occurrence [1], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Chrysocolla

Formula: Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

Locality: Black Point Adit Mine, Eagle Peak, Clayton, Contra Costa County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Chrysotile

Formula: Mg₃(Si₂O₅)(OH)₄

Localities:

Arroyo Del Carro prospect, Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [1], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Cinnabar

Formula: HgS

Localities:

ⓘ 'Clinoptilolite Subgroup'

Formula: (Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Authigenic; common constituent of the Miocene Briones Sandstone; an early alteration product of volcanic glass.

References:

Murata, K.J. and Whiteley, K.R. (1973) Zeolites in the Miocene Brones sandstone and related formations of the central Coast Ranges, California. USGS Jour. Res.: 1: 256-257

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Copiapite

Formula: Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 156

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Coquimbite

Formula: AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Cristobalite

Formula: SiO₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs as a gangue mineral.

References:

White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 591

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Diallage'

Locality: Bagley Creek, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: High proportion of pure material in gabbro.

References:

Turner, Henry Ward (1891), The geology of Mount Diablo, California: Geological Society of America Bulletin: 2: 391

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 308.

ⓘ Diopside

Formula: CaMgSi₂O₆

Locality: Bagley Creek, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: High proportion of pure material in gabbro.

References:

Turner, Henry Ward (1891), The geology of Mount Diablo, California: Geological Society of America Bulletin: 2: 391

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 308.

ⓘ Epsomite

Formula: MgSO₄ · 7H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 178

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Fluorite

Formula: CaF₂

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Habit: Cubic

Colour: White

Description: Found with some Cu minerals as small white cubes.

References:

Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 181

Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 187.

ⓘ Glaucophane

Formula: ◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂

Locality: Turtle Rock Quarry, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Halotrichite

Formula: Fe²⁺Al₂(SO₄)₄ · 22H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Heulandite Subgroup'

Formula: (Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Murata, K.J. and Whiteley, K.R. (1973) Zeolites in the Miocene Brones sandstone and related formations of the central Coast Ranges, California. USGS Jour. Res.: 1: 256-257

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Hypercinnabar (TL)

Formula: HgS

Type Locality:

References:

Potter, Robert W. II, Barnes, H. L. (1978) Phase relations in the binary Hg-S. American Mineralogist, 63 (11-12) 1143-1152

Clark, A. M. (1993) Hey's Mineral Index - Mineral Species, Varieties and Synonyms (3rd ed.). Natural History Museum.

ⓘ Kornelite

Formula: Fe₂(SO₄)₃ · 7H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Marcasite

Formula: FeS₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ransome, Alfred Leslie & J.L. Kellogg (1939), Quicksilver resources of California: California Division Mines Report 35: 377

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 254

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Melanterite

Formula: Fe²⁺(H₂O)₆(SO₄) · H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 42

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 258

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Metacinnabar

Formula: HgS

Localities:

Description: Principal ore mineral. Replaced by cinnabar, which retains the crystal shapes (pseudomorphs).

ⓘ Millerite

Formula: NiS

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs as micro-crystals.

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Morenosite

Formula: NiSO₄ · 7H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Colour: Blue-green

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Native Gold

Formula: Au

Locality: Mitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA

References:

Turner, Henry Ward (1891), The geology of Mount Diablo, California: Geological Society of America Bulletin: 2: 391

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.2

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 110, 131, 202.

ⓘ Pyrite

Formula: FeS₂

Localities:

Eagle Peak Au-Cu occurrence, Eagle Peak, Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [2] (Prospects in Perkins Canyon), North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Quartz

Formula: SiO₂

Localities:

Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unity claim [?], Eagle Peak, Clayton, Contra Costa County, California, USA
Eagle Peak Au-Cu occurrence, Eagle Peak, Clayton, Contra Costa County, California, USA

ⓘ Römerite

Formula: Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41, 42, 44

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 323

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Schuetteite

Formula: Hg²⁺₃(SO₄)O₂

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs in small amounts.

References:

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 332

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Localities:

Unnamed Asbestos prospect [2], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Arroyo Del Carro prospect, Clayton, Contra Costa County, California, USA
Perkins Canyon prospect [1], North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Unnamed Asbestos prospects [1] (Prospects East of Russellman), North Peak, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

ⓘ Siderotil

Formula: FeSO₄ · 5H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: A dehydration product of melanterite.

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41, 42, 44

Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 337.

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Stibiconite

Formula: Sb³⁺Sb⁵⁺₂O₆(OH)

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Stibnite

Formula: Sb₂S₃

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

References:

Ross, C.P. (1940a) Quicksilver deposits of the Mount Diablo region, Contra Costa County, California. USGS Bulletin 922-B, 54 pp.: 41

Pampeyan, Earl Haig (1963) Geology and mineral deposits of Mount Diablo, Contra Costa County, California. Special Report 80. California Division of Mines & Geology p.24

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 261, 349

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Locality: Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs as authigenic material in Briones Sandstone in fractures as well-formed crystals.

References:

Murata, K.J. and Whiteley, K.R. (1973) Zeolites in the Miocene Brones sandstone and related formations of the central Coast Ranges, California. USGS Jour. Res.: 1: 256-257

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Valentinite

Formula: Sb₂O₃

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Habit: Slender prismatic

Colour: Colorless

Description: Occurs as clusters of needle-like crystals.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 349, 379

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Voltaite

Formula: K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O

Locality: Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA

Description: Occurs associated with metallic sulphates.

References:

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 382

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

Gallery:

HgSⓘ Cinnabar

Cinnabar, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Cinnabar, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Cinnabar, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

FeS₂ⓘ Pyrite

Pyrite, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Pyrite, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

Pyrite, etc.

Mount Diablo Mine, Mount Diablo, Clayton, Contra Costa County, California, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Metacinnabar	2.CB.05a	HgS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Millerite	2.CC.20	NiS
ⓘ	Cinnabar	2.CD.15a	HgS
ⓘ	Hypercinnabar (TL)	2.CD.15b	HgS
ⓘ	Stibnite	2.DB.05	Sb₂S₃
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Valentinite	4.CB.55	Sb₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Stibiconite	4.DH.20	Sb³⁺Sb⁵⁺₂O₆(OH)
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Schuetteite	7.BB.40	Hg²⁺₃(SO₄)O₂
ⓘ	Siderotil	7.CB.20	FeSO₄ · 5H₂O
ⓘ	Melanterite	7.CB.35	Fe²⁺(H₂O)₆(SO₄) · H₂O
ⓘ	Epsomite	7.CB.40	MgSO₄ · 7H₂O
ⓘ	Morenosite	7.CB.40	NiSO₄ · 7H₂O
ⓘ	Alunogen	7.CB.45	Al₂(SO₄)₃ · 17H₂O
ⓘ	Coquimbite	7.CB.55	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
ⓘ	Kornelite	7.CB.60	Fe₂(SO₄)₃ · 7H₂O
ⓘ	Römerite	7.CB.75	Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O
ⓘ	Halotrichite	7.CB.85	Fe²⁺Al₂(SO₄)₄ · 22H₂O
ⓘ	Voltaite	7.CC.25	K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O
ⓘ	Copiapite	7.DB.35	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
Group 9 - Silicates
ⓘ	Chrysotile	9.00.	Mg₃(Si₂O₅)(OH)₄
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Glaucophane	9.DE.25	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Unclassified
ⓘ	'Asbestos'	-
ⓘ	'Clinoptilolite Subgroup'	-	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
ⓘ	'Diallage'	-
ⓘ	'Heulandite Subgroup'	-	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
H	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
H	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
H	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
H	ⓘ Epsomite	MgSO₄ · 7H₂O
H	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
H	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
H	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
H	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
H	ⓘ Morenosite	NiSO₄ · 7H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
H	ⓘ Siderotil	FeSO₄ · 5H₂O
H	ⓘ Stibiconite	Sb³⁺Sb₂⁵⁺O₆(OH)
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
O	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
O	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
O	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
O	ⓘ Cristobalite	SiO₂
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Epsomite	MgSO₄ · 7H₂O
O	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
O	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
O	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
O	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
O	ⓘ Morenosite	NiSO₄ · 7H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
O	ⓘ Schuetteite	Hg₃²⁺(SO₄)O₂
O	ⓘ Siderotil	FeSO₄ · 5H₂O
O	ⓘ Stibiconite	Sb³⁺Sb₂⁵⁺O₆(OH)
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Valentinite	Sb₂O₃
O	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
F	Fluorine
F	ⓘ Fluorite	CaF₂
Na	Sodium
Na	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Na	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Na	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Mg	Magnesium
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Epsomite	MgSO₄ · 7H₂O
Mg	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Al	Aluminium
Al	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Al	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Al	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
Al	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Al	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Al	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
Si	Silicon
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Si	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Glaucophane	◻Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Si	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
S	Sulfur
S	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
S	ⓘ Baryte	BaSO₄
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Cinnabar	HgS
S	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
S	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
S	ⓘ Epsomite	MgSO₄ · 7H₂O
S	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
S	ⓘ Hypercinnabar	HgS
S	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
S	ⓘ Marcasite	FeS₂
S	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
S	ⓘ Metacinnabar	HgS
S	ⓘ Millerite	NiS
S	ⓘ Morenosite	NiSO₄ · 7H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
S	ⓘ Schuetteite	Hg₃²⁺(SO₄)O₂
S	ⓘ Siderotil	FeSO₄ · 5H₂O
S	ⓘ Stibnite	Sb₂S₃
S	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
K	Potassium
K	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
K	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Fe	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
Fe	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
Fe	ⓘ Kornelite	Fe₂(SO₄)₃ · 7H₂O
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
Fe	ⓘ Siderotil	FeSO₄ · 5H₂O
Fe	ⓘ Voltaite	K₂Fe₅²⁺Fe₃³⁺Al(SO₄)₁₂ · 18H₂O
Ni	Nickel
Ni	ⓘ Millerite	NiS
Ni	ⓘ Morenosite	NiSO₄ · 7H₂O
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Sb	Antimony
Sb	ⓘ Stibiconite	Sb³⁺Sb₂⁵⁺O₆(OH)
Sb	ⓘ Stibnite	Sb₂S₃
Sb	ⓘ Valentinite	Sb₂O₃
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Au	Gold
Au	ⓘ Native Gold	Au
Hg	Mercury
Hg	ⓘ Cinnabar	HgS
Hg	ⓘ Hypercinnabar	HgS
Hg	ⓘ Metacinnabar	HgS
Hg	ⓘ Schuetteite	Hg₃²⁺(SO₄)O₂

Fossils

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Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Clayton,_California
Wikidata ID:	Q948168
GeoNames ID:	5337841

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California Coast RangesAccretionary Complex
Franciscan DomainDomain
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USA

California
- Diablo RangeMountain Range

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