Chenevixite
A valid IMA mineral species - grandfathered
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About Chenevixite
Richard Chenevix
Formula:
Cu2Fe3+2(AsO4)2(OH)4
Colour:
Olive green, yellow-green, dark green.
Hardness:
3½ - 4½
Specific Gravity:
4.38
Crystal System:
Monoclinic
Name:
Named after Richard Chenevix (ca. 1774, Ballycommon, Co. Offaly, Ireland - 5 April 1830, Paris, France), chemist and playwright. He analyzed an arsenate of copper and iron from Cornwall in 1801 that was later shown to be chenevixite.
Type Locality:
The Fe3+ analogue of Luetheite. Chenevixite-Luetheite Series.
A relatively rare, but generally inconspicuous secondary mineral in oxidized zones of some hydrothermal, polymetallic ore deposits.
A relatively rare, but generally inconspicuous secondary mineral in oxidized zones of some hydrothermal, polymetallic ore deposits.
Unique Identifiers
Mindat ID:
986
Long-form identifier:
mindat:1:1:986:7
GUID
(UUID V4):
(UUID V4):
9d2f1ebb-7014-43c6-9d15-4c552a78a61f
IMA Classification of Chenevixite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
CuFe3+(AsO4)(OH)2
First published:
1866
Classification of Chenevixite
8.DD.05
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
42.7.10.1
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
20.1.15
20 : Arsenates (also arsenates with phosphate, but without other anions)
1 : Arsenates of Cu
20 : Arsenates (also arsenates with phosphate, but without other anions)
1 : Arsenates of Cu
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Cvx | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Chenevixite
Transparency:
Transparent, Translucent
Colour:
Olive green, yellow-green, dark green.
Streak:
Greenish yellow
Hardness:
3½ - 4½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Sub-Conchoidal
Comment:
Also earthy fracture.
Density:
4.38 g/cm3 (Measured) 4.40 g/cm3 (Calculated)
Optical Data of Chenevixite
Type:
Biaxial (+)
RI values:
nα = 1.920 nβ = 1.960 nγ = 2.040
2V:
Calculated: 73°
Max Birefringence:
δ = 0.120
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
none
Optical Extinction:
X = b; Z ≃ c.
Pleochroism:
Weak
Chemistry of Chenevixite
Mindat Formula:
Cu2Fe3+2(AsO4)2(OH)4
Crystallography of Chenevixite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 5.7012 Å, b = 5.1801 Å, c = 29.265 Å
β = 89.99°
β = 89.99°
Ratio:
a:b:c = 1.101 : 1 : 5.65
Unit Cell V:
864.3 ų
Z:
4
Morphology:
Crystals tabular {100} with diamond-shaped outlines; commonly microcrystalline, spheroidal, earthy to compact massive.
Twinning:
Observed at a very fine scale.
Comment:
Pseudo-orthorhombic.
X-Ray Powder Diffraction
Image Loading
Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 7.322 Å | (4) |
| 3.817 Å | (5) |
| 3.557 Å | (10) |
| 2.994 Å | (5) |
| 2.553 Å | (7) |
| 2.504 Å | (4) |
| 2.448 Å | (5) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] |
Geological Setting:
Oxidized zones of hydrothermal polymetallic deposits.
Type Occurrence of Chenevixite
General Appearance of Type Material:
Small compact masses in quartz.
Place of Conservation of Type Material:
Ecole Nationale Supérieure des Mines, Paris, France, numbers 40000, 51206 (type).
Associated Minerals at Type Locality:
Other Language Names for Chenevixite
German:Chenevixit
Spanish:Chenevixita
Relationship of Chenevixite to other Species
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
| 28 photos of Chenevixite associated with Olivenite | Cu2(AsO4)(OH) |
| 18 photos of Chenevixite associated with Quartz | SiO2 |
| 11 photos of Chenevixite associated with Scorodite | Fe3+AsO4 · 2H2O |
| 9 photos of Chenevixite associated with Azurite | Cu3(CO3)2(OH)2 |
| 8 photos of Chenevixite associated with Malachite | Cu2(CO3)(OH)2 |
| 8 photos of Chenevixite associated with Jarosite | KFe3+3(SO4)2(OH)6 |
| 8 photos of Chenevixite associated with Arthurite | CuFe3+2(AsO4)2(OH)2 · 4H2O |
| 8 photos of Chenevixite associated with Tyrolite | Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O |
| 7 photos of Chenevixite associated with Mimetite | Pb5(AsO4)3Cl |
| 7 photos of Chenevixite associated with Goethite | α-Fe3+O(OH) |
Related Minerals - Strunz-mindat Grouping
| 8.DD. | Bettertonite | [Al6(AsO4)3(OH)9(H2O)5] · 11H2O |
| 8.DD. | Penberthycroftite | [Al6(AsO4)3(OH)9(H2O)5] · 8H2O |
| 8.DD. | Vargite | Cu2Mn3(AsO4)2(OH)4(H2O)4 |
| 8.DD. | Galeaclolusite | Al6(AsO4)3(OH)9(H2O)4 · 8H2O |
| 8.DD.05 | Luetheite | Cu2Al2(AsO4)2(OH)4 |
| 8.DD.10 | Akrochordite | (Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O |
| 8.DD.10 | Guanacoite | Cu2Mg3(AsO4)2(OH)4 · 4H2O |
| 8.DD.15 | Aheylite | (Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2O |
| 8.DD.15 | Chalcosiderite | CuFe3+6(PO4)4(OH)8 · 4H2O |
| 8.DD.15 | Coeruleolactite | |
| 8.DD.15 | Faustite | ZnAl6(PO4)4(OH)8 · 4H2O |
| 8.DD.15 | Planerite | Al6(PO4)2(PO3OH)2(OH)8 · 4H2O |
| 8.DD.15 | Turquoise | CuAl6(PO4)4(OH)8 · 4H2O |
| 8.DD.15 | Afmite | Al3(OH)4(H2O)3(PO4)(PO3OH) · H2O |
| 8.DD.15 | UM1981-32-PO:FeH | Fe2+Fe3+6(PO4)4-x[PO3(OH)]x(OH)8 · 4H2O |
| 8.DD.20 | Childrenite | Fe2+Al(PO4)(OH)2 · H2O |
| 8.DD.20 | Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
| 8.DD.20 | Ernstite | (Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2O |
| 8.DD.20 | Lefontite | Fe2Al2Be(PO4)2(OH)6 |
| 8.DD.25 | Kobokoboite | Al6(PO4)4(OH)6 · 11H2O |
| 8.DD.30 | Smamite | Ca2Sb(OH)4[H(AsO4)2] · 6H2O |
| 8.DD.35 | Gutsevichite | Al3(PO4)2(OH)3 · 8H2O |
| 8.DD.40 | Laubmannite (of Moore) | (Fe3+,Fe2+,M)8+x(OH,H2O)9(H2O)2(PO4)5, M = Fe3+, Cu2+ or other metal cation, x ~ 0.1. |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Chenevixite
mindat.org URL:
https://www.mindat.org/min-986.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Chenevixite
Reference List:
Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. Bulletin Vol. 679. US Geological Survey doi:10.3133/b679 p.56
Williams, S. A. (1977) Luetheite, Cu2Al2(AsO4)2(OH)4·H2O, a new mineral from Arizona, compared with chenevixite. Mineralogical Magazine, 41 (317) 27-32 doi:10.1180/minmag.1977.041.317.04
Localities for Chenevixite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Algeria | |
| Pierrot et al. (1961) | |
| |
Australia | |
| Palache et al. (1951) |
| Leverett et al. (2003) |
| Palache et al. (1951) |
| Lohan (1990) |
| Munro-Smith et al. (2015) |
| Sorrell (n.d.) +1 other reference |
| EDAX confirmation |
| Bottrill et al. (2008) |
| Nickel et al. (1993) |
| Min. Record 24 (1993) | |
| Australian J. Mineralogy 13 (1) | |
| Min. Record 24 (1993) | |
| Grice et al. (1991) | |
| Min.Record 24 (1993) | |
| Downes et al. (2006) |
| Downes et al. (2006) | |
Austria | |
| R.Poeverlein (2016) |
Brazil | |
| Márcia Abrahão Moura (2007) +1 other reference |
Chile | |
| V. Sapienza collection |
| V. Sapienza collection | |
| Jarrell (1944) +1 other reference |
| Singer et al. (2008) | |
| Uwe Kolitsch collection (EDS-analysed) |
| Maskaev et al. (2007) |
| |
| Jaime Cataldo B. et al. (2015) |
Czech Republic | |
| Lapis 2002 (7/8) |
| Plášil et al. (2014) |
| |
| Sejkora et al. (2006) |
DR Congo | |
| Deliens (1996) +1 other reference |
France | |
| Queneau (n.d.) |
| Berbain et al. (2019) |
| Lheur (2023) |
| Queneau (n.d.) |
| Jean-Marie Claude collection |
Germany | |
| Wittern (1995) |
| Walenta (1992) |
| 54. +1 other reference |
| Collected by Klaus Petitjean. |
| Lapis (10) |
| Collection of Steffen Michalski | |
| Der Aufschluss 2000 (2) |
| Wittern (2001) |
| Wittern (2001) |
| Stark (2011) |
| J. Gröbner (7/8) |
| Gröbner J. et al. (2006) |
| Collection HJ Haas |
| Gröbner et al. (2008) |
Greece | |
| 54 (in German) +4 other references |
| Heymann (1982) | |
| Gröbner et al. (2002) +1 other reference |
| Gröbner (2001) | |
Italy | |
| Bortolozzi et al. (2017) |
| Bortolozzi (n.d.) |
| Piccoli et al. (2007) |
| Piccoli et al. (2007) |
| Piccoli et al. (2007) |
| Fernando Caboni et al. (2024) |
| Fernando Caboni et al. (2024) | |
| Zordan et al. (2006) +2 other references |
Japan | |
| Matsubara et al. (2006) |
Mexico | |
| Moore et al. (2003) |
| Thomas P. Moore (2008) | |
| Panczner (1987) | |
| ... |
| Mineralogical Magazine 1972 38 : ... |
| Berrocal-Lopez +1 other reference |
| Panczner (1987) |
Namibia | |
| Palache et al. (1951) |
| Min Rec 36:4 pp317-335 | |
| Palfi (2005) +1 other reference |
| Schnorrer (1995) +2 other references |
Peru | |
| Petersen (1970) |
| Petersen (1970) |
| Petersen (1970) |
Portugal | |
| Alves (n.d.) |
South Africa | |
| Malcolm Southwood (2002) |
| Malcolm Southwood (2002) | |
Spain | |
| in Spanish version (Revista de Minerales) +1 other reference |
| A. Arribas et al. (2005) |
| G. Leal et al. (2005) +1 other reference | |
| Rewitzer et al. (part 2) |
| Calvo (2015) |
| Castillo-Oliver et al. (2019) |
| Joan Abella i Creus (Joanabellacreus@gmail.com) |
| Sainz de Baranda Graf et al. (2023) |
| Calvo Rebollar (2015) |
| MinRec-2003-0708-315 |
| Fabre (n.d.) |
| Joan Vinals & Miguel Calvo (2007) |
| Mineralogía de la concesión San Rafael | |
| issuu.com (n.d.) +1 other reference |
| issuu.com (n.d.) +1 other reference | |
UK | |
| Golley et al. (1995) |
| Bruce et al. (1998) |
| Golley et al. (1995) |
| Golley et al. (1995) |
| Fluorite: The Collector's Choice. Extra ... |
| Stanley et al. (1991) |
| Sorrell (n.d.) |
| Hartley (1984) +1 other reference |
USA | |
| Anthony et al. (1995) |
| Anthony et al. (1995) | |
| Anthony et al. (1995) | |
| Williams (1977) +1 other reference | |
| Anthony et al. (1995) +1 other reference | |
| Collected by Joe Ruiz. Raman analyzed ... | |
| Anthony et al. (1995) |
| Castor et al. (2004) |
| Castor et al. (2004) |
| Bob Werner (2009) |
| Castor et al. (2004) |
| Jensen (1993) +1 other reference |
| Roberts et al. (1997) |
| Mineralogical Magazine 1885 6 : 181-182. +2 other references |
| Collection of Alex Earl | |
| Palache et al. (1951) | |
| Bullock (1981) |
| Bullock (1981) |
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Christiana Mine No. 132, Mercati mines, Agios Konstantinos, Lavrion mining district, Lavreotiki, East Attica, Attica, Greece