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Cornubite

Big Photo

Cap Garonne Mine, Pradet, Var, Provence-Alpes-Côte d'Azur, France
© JY. Desescaut

Show Cornubite Photos (48)
Formula:
Cu
 
5
[(OH)
 
2
|AsO
 
4
]
 
2
System:TriclinicColour:Apple green, Light to ...
Lustre:VitreousHardness:4
Name:Named for Cornubia, the medieval Latin name for Cornwall.
Dimorph of:Cornwallite


The triclinic dimorph of Cornwallite.

Classification of Cornubite

IMA status:Approved
Strunz 8th edition ID:7/B.11-50
Nickel-Strunz 10th (pending) edition ID:8.BD.30

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
Dana 8th edition ID:41.4.2.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq
Hey's CIM Ref.:20.1.5

20 : Arsenates (also arsenates with phosphate, but without other anions)
1 : Arsenates of Cu
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Type Occurrence of Cornubite

Type Locality:Wheal Carpenter, Fraddam, Gwinear, St Erth - Gwithian Area, Cornwall, England, UK
Place of Conservation of Type Material:Natural History Museum, London 1964R, 8650
Year of Discovery:1958

Occurrences of Cornubite

Geological Setting:Oxidation zone of copper deposits

Physical Properties of Cornubite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:Apple green, Light to dark green
Streak:Pale green
Hardness (Mohs):4
Cleavage:Distinct/Good
Two perpendicular to {211}, intersecting about 70 degrees.
Density (measured):4.64 g/cm3
Density (calculated):4.85 g/cm3
Comment:Density on fibrous material.

Crystallography of Cornubite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 6.121(1) Å, b = 6.251(1) Å, c = 6.79Å
α = 92.93(1)°, β = 111.3°, γ = 107.47(1)°
Ratio:a:b:c = 0.979 : 1 : 1.086
Unit Cell Volume:V 227.11 ų (Calculated from Unit Cell)
Z:1
Morphology:Crystals in tabular aggregates, fibrous, botyroidal, globular porcelaneous masses.

Optical Data of Cornubite

Type:Biaxial (-)
RI values: nα = 1.870 nγ = 1.900
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v
Comments:2V very large, beta N.D.

Chemical Properties of Cornubite

Formula:
Cu
 
5
[(OH)
 
2
|AsO
 
4
]
 
2
Essential elements:As, Cu, H, O
All elements listed in formula:As, Cu, H, O

Relationship of Cornubite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.BD.05Cornwallite
Cu
 
5
[(OH)
 
2
|AsO
 
4
]
 
2
8.BD.05Pseudomalachite
Cu
 
5
[(OH)
 
2
|PO
 
4
]
 
2
8.BD.05Reichenbachite
Cu
 
5
[(OH)
 
2
|PO
 
4
]
 
2
8.BD.10Arsenoclasite
Mn
2+
5
[(OH)
 
2
|AsO
 
4
]
 
2
8.BD.10Gatehouseite
Mn
2+
5
[(OH)
 
2
|PO
 
4
]
 
2
8.BD.15Parwelite
Mn
 
10
Sb
 
2
As
 
2
Si
 
2
O
 
24
8.BD.20Reppiaite
Mn
2+
5
[(OH)
 
2
|VO
 
4
]
 
2
8.BD.25Ludjibaite
Cu
 
5
[(OH)
 
2
|PO
 
4
]
 
2
Related Minerals - Hey's Index Grouping:

- +
20.1.1Lammerite
Cu
 
3
[AsO
 
4
]
 
2
20.1.2Olivenite
Cu
 
2
[OH|AsO
 
4
]
20.1.3Clinoclase
Cu
 
3
[(OH)
 
3
|AsO
 
4
]
20.1.4Cornwallite
Cu
 
5
[(OH)
 
2
|AsO
 
4
]
 
2
20.1.6Chlorotile (of Frenzel)
20.1.7Geminite
Cu
 
2
[As
 
2
O
 
7
] · 3H
 
2
O
20.1.8Euchroite
Cu
 
2
[OH|AsO
 
4
] · 3H
 
2
O
20.1.9Strashimirite
Cu
 
8
[OH|AsO
 
4
]
 
4
 · 5H
 
2
O
20.1.10Arhbarite
Cu
 
2
Mg[(OH)
 
3
|AsO
 
4
]
20.1.11Lindackerite
CuCu
 
4
[HAsO
 
4
|AsO
 
4
]
 
2
 · 8-9H
 
2
O
20.1.12Conichalcite
CaCu[OH|AsO
 
4
]
20.1.13Liroconite
Cu
 
2
Al[(OH)
 
4
|AsO
 
4
] · 4H
 
2
O
20.1.14Ceruleite
Cu
 
2
Al
 
7
[(OH)
 
13
|(AsO
 
4
)
 
4
] · 11.5H
 
2
O
20.1.15Chenevixite
Cu
 
2
Fe
3+
2
[(OH)
 
2
|AsO
 
4
]
 
2
20.1.16Arthurite
CuFe
3+
2
[(OH,O)|(AsO
 
4
,PO
 
4
,SO
 
4
)]
 
2
 · 4H
 
2
O

Other Names for Cornubite

Synonyms:
CorunuviteCorvunvite
Other Languages:
German:Cornubit
Corunuvit
Corvunvit
Russian:Корнубит
Spanish:Cornubita
Corunuvita
Corvunvita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Cornubite

Reference List:American Mineralogist: 44: 1321.

American Mineralogist: 70: 1333.

Bulletin of the Geological Society of Finland: 57: 119-127.

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 128.

Internet Links for Cornubite

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  • Raman and XRD data at RRUFF project
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  • Cornubite details from Handbook of Mineralogy (PDF)
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    Localities for Cornubite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Neuquén
      • Picunches Department
    		Milka K. de Brodtkorb (2006) Las Especies Minerales de la Republica Argentina, Vol. 2, p 428 (Asociación Mineralógica Argentina)
    Australia
     
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Yudnamutana district
    		S Sorrell (pers comm)
    • Western Australia
      • Pilbara Region
        • Ashburton Shire
    		[MinRec 24:203]
            • Anticline prospect
    		Mineralogical Record 24,203-216,218.
    Min. Record 24,203-218(1993)
    Downes, P. J., Hope, M., Bevan, A. W. R. and Henry, D. A. (2006): Chalcocite and associated secondary minerals from the Telfer gold mine, Western Australia. Austral. J. Mineral. 12, 25-42.
    Austria
     
    • Salzburg
      • Saalfelden
        • Leogang
          • Hütten
            • Schwarzleograben
              • Schwarzleo District
    		Poeverlein, R. (2008): Euchroit und seine Begleiter vom prähistorischen Bergbau, Leogang, Österreich. Lapis, 33 (5), 13-22.
    • Tyrol
      • North Tyrol
        • Inn valley
          • Brixlegg - Schwaz area
            • Brixlegg - Rattenberg
    		Lapis 19(7/8):13-78 (1994); Schnorrer, G. & Poeverlein, R. (2008): Schwaz-Brixlegger Fundstellen. 6. Die Minerale des Gratlspitz bei Brixlegg in Tirol. Aufschluss 59, 7-28.
    Bulgaria
     
    • Balkan Mts (Stara-Planina Mts)
    Chile
     
    • Coquimbo Region
      • Elqui Province
        • La Serena
          • Arqueros Ag Mining District
            • Marqueza
    		maurizio dini collection - confirmed by analysis
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Central area
          • Swambo
    		Lapis 17(3), 13-40 (1992)
    France
     
    • Alsace
      • Bas-Rhin
        • Villé Valley
    		Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
      • Haut-Rhin
        • Fecht valley (Munster valley)
          • Zimmerbach
    		Wittern, Journée: "Mineralien finden in den Vogesen", 1997
        • Ste Marie-aux-Mines (Markirch)
    		Wittern, Journée: "Mineralien finden in den Vogesen", 1997
    Wittern, Journée: "Mineralien finden in den Vogesen", 1997
    Wittern, Journée: "Mineralien finden in den Vogesen", 1997
    • Languedoc-Roussillon
      • Aude
        • Carcassonne
          • Mas-Cabardès
            • Salsigne
    		 Le Règne Minéral, Hors série (3), 36-54
    • Lorraine
      • Vosges
        • Val-d'Ajol
    		Lheur C., Moreau F. (1994), Les minéralisations du filon du Bas Hérival près du Val d'Ajol (Vosges), Le Cahier des Micromonteurs, n°2, pp: 3-14
    • Midi-Pyrénées
      • Aveyron
        • Monteils
    		Queneau Patrice Collection
    • Provence-Alpes-Côte d'Azur
      • Alpes-Maritimes
        • Guillaumes
          • Daluis
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Sarp, H. and Cerny R., 2001, Theoparacelsite, Cu3(OH)2As2O7, a new mineral: its description and crystal structure: Archs Sci. Geneve, 54:7-14.
      • Var
        • Pradet
    		[UKJMM 2:11-15 "Cap Gronne Secondary Copper and Lead - W.R. van den Berg"]
    • Rhône-Alpes
      • Loire
        • La Pacaudière
    		No reference listed
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Calw
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
        • Freudenstadt
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
        • Gengenbach
          • Haigerach valley
    		Wittern,A. (1995) Mineralien finden im Schwarzwald
        • Schenkenzell
          • Wittichen
            • Burgfelsen
    		No reference listed
            • Heubach Valley
    		No reference listed
            • Wüstenbächle
    		Aufschluss 1981(5), 176
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
        • Zell am Harmersbach
          • Harmersbach valley
            • Schottenhöfe
    		No reference listed
    • Hesse
      • North Hesse
        • Richelsdorf District
          • Süss
            • Richelsdorf Smelter
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
      • Odenwald
        • Bensheim
          • Reichenbach
            • Hohenstein
    		Lapis, 12 (10), 23-32+58.
    • Lower Saxony
      • Harz Mts
        • Bad Lauterberg
    		Koch, H.-P. (2008): Die Minerale der Grube "Frische Lutter" bei Bad Lauterberg, Harz (Teil 1). Aufschluss 59, 65-76.
    • North Rhine-Westphalia
      • Bergisches Land
        • Rösrath
    		Mineralienwelt 2/1997, 19.
      • Siegerland
        • Eiserfeld
    		Henrich, M. (2008): Neues von der Grube Eisenzecher Zug. Mineralien-Welt 19 (5), 16-25.
        • Gosenbach
    		Wittern: "Mineralfundorte in Deutschland", 2001
        • Niederschelden
    		Lapis, 12 (12), 23-31+42.
    • Rhineland-Palatinate
      • Kirchheimbolanden
        • Imsbach
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Wittern: "Mineralfundorte in Deutschland", 2001
      • Siegerland
        • Gebhardshain
          • Kausen
    		Wittern: "Mineralfundstellen in Deutschland", 2001
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Rudabányai Mts.
        • Rudabánya
    		Szakáll: Minerals of Rudabánya, 2001
    Szakáll: Minerals of Rudabánya, 2001
    Szakáll: Minerals of Rudabánya, 2001
    • Fejér Co.
      • Velencei Mts.
        • Lovasberény
    		No reference listed
    Szakáll-Gatter-Szendrei: Mineral species of Hungary, 2005
        • Nadap
    		GEODA 2004
    • Heves Co.
      • Mátra Mts.
        • Parádfürdő
    Italy
     
    • Liguria
      • Genova Province
        • Ne
    		[MinRec 32:360]
    Redazionale (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia del Ferrania Club, 19 , 3-5.
            • Reppia
    		Redazione (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia Ferrania Club, 19, 3-5.
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Baceno
            • Devero Alp (Devero Valley; Val Devero)
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Sardinia
      • Cagliari Province
        • Muravera
    		Stara, P., Rizzo, R., Brizzi G., (1993): Sarrabus Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", 208 pp.
      • Medio Campidano Province
        • Gonnosfanadiga
          • Fenugu Sibiri Mine
    		Brizzi, G., Olmi, F., Sabelli, C. (1994): Gli arseniati di Pira Inferida, Gonnofanadiga (CA). Rivista Mineralogica Italiana, 3/1994, 193-206.
    • Tuscany
      • Massa-Carrara Province
        • Apuan Alps
    		Orlandi P., Franzini M., 1994. I minerali del marmo di Carrara. Amilcare Pizzi S.p.A., Milano.
    Orlandi P., Franzini M., 1994. I minerali del marmo di Carrara. Amilcare Pizzi S.p.A., Milano.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Yamanashi Prefecture
          • Kitakoma-gun
            • Sutama-cho
    		Sakurai, K. (1970) Chigaku Kenkyu, 21, 393-396.
      • Kinki Region
        • Nara Prefecture
    		Ohori and Kobayashi (1996) Chigaku Kenkyu, 44, 223-232.
    • Kyushu Island
      • Miyazaki Prefecture
        • Takachiho
    		pers. comm. Kotaro Watanabe, 9-11-2000
      • Oita prefecture
        • Saeki city
    		Okamoto collection (curated at the Geological Survey museum, Japan)
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azzer District
            • Khder
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Poland
     
    • Świętokrzyskie
      • Świętokrzyskie Mts (Holy Cross Mts)
        • Kielce District
          • Chęciny
    		Bzowska, G., Karwowski, Ł., Juzaszek, A. (2003): New phosphate and arsenate minerals from Miedzianka near Chęciny (Holy Cross Mts). Mineralogical Society of Poland - Special Papers, Vol. 23
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
        • Ľubietová (Libetbánya; Libethen) ore belt
    		Koděra, M., a kol.: Topografická mineralogie Slovenska. Sv. 2 Ko-Seč, Bratislava, Veda 1990, s. 731 – 738.
        • Poniky
    		Pauliš, P., Ďuďa, R.: Nejzajímavější mineralogická naleziště Slovenska. Kutná Hora: Kuttna, 2002, s. 50 - 51.
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
        • Gelnica ore belt
    		Lapis 2003(1), 15-17
        • Spišská Nová Ves Mining District
          • Novoveská Huta
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    Spain
     
    • Catalonia
      • Lleida (Lérida)
        • El Pallars Jussà
          • La Torre de Cabdella
            • La Plana de Mont-ros
              • Castell-estaó
    		Mata-Perelló (1990) "Els minerals de Catalunya" Institut d'Estudis Catalans, Barcelona: 441p
    Switzerland
     
    • Glarus
      • Murg Valley
    		No reference listed
    • Wallis (Valais)
      • Binn Valley
        • Kriegalp Valley (Chriegalp Valley)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 122.
    UK
     
    • England
      • Cornwall
        • Callington District
          • Gunnislake Area
    		No reference listed
        • Camborne - Redruth - St Day District
          • Gwennap area
            • Clifford Amalgamated Mines
    		No reference listed
            • St Day United Mines (Poldice Mines)
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
        • Liskeard District
          • Caradon & Phoenix Area (South-Eastern Bodmin Moor)
            • Linkinhorne
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
        • Mount's Bay District
          • St Hilary
    		No reference listed
    No reference listed
        • St Erth - Gwithian Area
          • Gwinear
            • Fraddam
    		[Embrey & Symes, 1987, 41 - "Minerals of Cornwall and Devon"]; Mineralogical Magazine 1959 32 : 1-5.
        • St Just District
          • Botallack - Pendeen Area
            • Botallack
              • Botallack Mine
    		No reference listed
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Potts Gill
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
      • Devon
        • Tavistock District
          • Devon Great Consols
    		Collected Dec 2004
    Collected Dec 2004
          • Tavistock Hamlets
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    • Scotland
      • Dumfries & Galloway (Kirkcudbrightshire)
        • Dalbeattie
    		BMS Database
        • Needle's Eye
    		BMS Database
    USA
     
    • Arizona
      • Santa Cruz Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 187.
        • Patagonia Mts
          • Harshaw District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 281; Williams, S.A. (1977), Luetheite, Cu2Al2(AsO4)2(OH)4.H2O, a new mineral from Arizona compared with chenevixite, Min.Mag.: 41: 27-42.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 187.
    • California
      • Plumas Co.
        • Last Chance District
          • Spring Creek area
    		Mineralogical Record (In press)
    • Colorado
      • Moffat Co.
        • Skull Creek District (Blue Mountain District)
    		Minerals of Colorado (1997) Eckels, E. B.
    • Nevada
      • Lyon Co.
        • Yerington District
          • Yerington
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Pershing Co.
        • Antelope District
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    • New Mexico
      • Lincoln Co.
        • Red Cloud District
          • Gallinas Mts
    		Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
    • Pennsylvania
      • Lycoming Co.
        • Muncy
          • Lime Bluff
    		Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 29; Mineral Notes & News, Friends of Mineralogy, Region 3, Newsletter (Feb, 1974); Smith, Robert C., II (1974), "Interesti
    • Utah
      • Juab Co.
        • East Tintic Mts
          • Tintic District
    		[MinRecord 29:177]
      • Tooele Co.
        • Deep Creek Mts
          • Gold Hill District (Clifton District)
            • Gold Hill
              • Gold Hill Mine (Western Utah Mine)
    		Min Rec 24:1 pp11-22
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 5th Nov 2009 19:59:19