Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Népouite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Callenberg North (No. 2) open cut, Callenberg, Glauchau, Saxony, Germany
© Thomas Witzke

Show Népouite Photos (9)



Formula:
(Ni,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
System:OrthorhombicColour:Pale green
Hardness:2 - 2½
Member of:Serpentine Group
Name:Named after type locality


Lizardite-Népouite Series.

Classification of Népouite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/H.27-150
Nickel-Strunz 10th (pending) edition ID:9.ED.15

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
Dana 8th edition ID:71.1.2b.3

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
Hey's CIM Ref.:14.26.3

14 : Silicates not Containing Aluminum
26 : Silicates of Ni
mindat.org URL:http://www.mindat.org/min-2882.html
Please feel free to link to this page.

Type Occurrence of Népouite

Type Locality:Népoui Mine, Népoui, Nouméa Commune, Northern Province, New Caledonia

Physical Properties of Népouite

Lustre:Vitreous, Pearly
Colour:Pale green
Streak:Greenish white
Hardness (Mohs):2 - 2½

Crystallography of Népouite

Crystal System:Orthorhombic
X-Ray Powder Diffraction:
d-spacingIntensity
7.31 (100)
4.55 (50b)
3.63 (90)
2.894 (60)
2.501 (70)
2.321 (40)
1.530 (60)

Optical Data of Népouite

Type:Biaxial (-)
RI values: nα = 1.600 - 1.630 nγ = 1.635 - 1.650
Maximum Birefringence:δ = 0.035

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v medium

Chemical Properties of Népouite

Formula:
(Ni,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Essential elements:H, Ni, O, Si
All elements listed in formula:H, Mg, Ni, O, Si

Relationship of Népouite to other Species

Series:Forms a series with Lizardite (see here)
Member of:Serpentine Group
Other Members of Group:

- +
Amesite
Mg
 
2
Al(AlSiO
 
5
)(OH)
 
4
Antigorite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Baumite
(Mg,Al,Mn,Zn,Fe)
 
3
(Si,Al)
 
2
O
 
5
(OH)
 
4
Berthierine
(Fe
2+
 
,Fe
3+
 
,AlMg)
 
2-3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Brindleyite
(Ni,Mg,Fe)
 
2
(Al(Si,Al)O
 
5
)(OH)
 
4
Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Chrysotile
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Clinochrysotile
Cronstedtite
Fe
2+
2
Fe
3+
 
((Si,Fe
3+
 
)
 
2
O
 
5
)(OH)
 
4
Dickite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Fraipontite
(Zn,Al)
 
3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Greenalite
Fe
 
2-3
(Si
 
2
O
 
5
)(OH)
 
4
Halloysite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Kaolinite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
Lizardite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Manandonite
LiAl
 
4
(BSi
 
3
O
 
10
)(OH)
 
6
Nacrite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Odinite
(Fe,Mg,Al,Fe,Ti,Mn)
 
2.4
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Orthochrysotile
Parachrysotile
Pecoraite
Ni
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Vorhauserite
Related Minerals - Nickel-Strunz Grouping):

- +
9.ED.05Dickite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Kaolinite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Nacrite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Odinite
(Fe,Mg,Al,Fe,Ti,Mn)
 
2.4
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.10Halloysite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.10Hisingerite
Fe
3+
2
(Si
 
2
O
 
5
)(OH)
 
4
 · 2H
 
2
O
9.ED.10Halloysite-7Å
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Amesite
Mg
 
2
Al(AlSiO
 
5
)(OH)
 
4
9.ED.15Antigorite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Berthierine
(Fe
2+
 
,Fe
3+
 
,AlMg)
 
2-3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.15Brindleyite
(Ni,Mg,Fe)
 
2
(Al(Si,Al)O
 
5
)(OH)
 
4
9.ED.15Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Chrysotile
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Cronstedtite
Fe
2+
2
Fe
3+
 
((Si,Fe
3+
 
)
 
2
O
 
5
)(OH)
 
4
9.ED.15Fraipontite
(Zn,Al)
 
3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.15Greenalite
Fe
 
2-3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
9.ED.15Lizardite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Manandonite
LiAl
 
4
(BSi
 
3
O
 
10
)(OH)
 
6
9.ED.15Pecoraite
Ni
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Guidottiite
Mn
 
2
Fe
3+
 
(Fe
3+
 
SiO
 
5
)(OH)
 
4
9.ED.20Allophane
(Al
 
2
O
 
3
)(SiO
 
2
)
 
1.3-2
 · 2.5-3H
 
2
O
9.ED.20Chrysocolla
Cu
 
2-x
Al
 
x
(H
 
2-x
Si
 
2
O
 
5
)(OH)
 
4
 · nH
 
2
O (x < 1)
9.ED.20Imogolite
Al
 
2
SiO
 
3
(OH)
 
4
9.ED.20Neotocite
(Mn,Fe,Mg)SiO
 
3
 · H
 
2
O
9.ED.25Bismutoferrite
Fe
3+
2
Bi(SiO
 
4
)
 
2
(OH)
9.ED.25Chapmanite
Fe
3+
2
Sb
3+
 
(SiO
 
4
)
 
2
(OH)
Related Minerals - Hey's Index Grouping:

- +
14.26.1Liebenbergite
(Ni,Mg)
 
2
SiO
 
4
14.26.2Pecoraite
Ni
 
3
(Si
 
2
O
 
5
)(OH)
 
4
14.26.4Willemseite
(Ni,Mg)
 
3
(Si
 
4
O
 
10
)(OH)
 
2
14.26.5Karpinskite
(Ni,Mg)
 
2
Si
 
2
O
 
5
(OH)
 
2
 (?)
14.26.6Falcondoite
(Ni,Mg)
 
4
Si
 
6
O
 
15
(OH)
 
2
 · 6H
 
2
O

Other Names for Népouite

Synonyms:
Lizardite-Ni
Other Languages:
German:Népouit
Simplified Chinese:镍绿泥石
Spanish:Népouita

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 Népouite

Reference List:

- +
American Mineralogist (1975): 60: 863-871.

Mineralogical Magazine (1981): 44: 153.

Internet Links for Népouite

Search Engines:
  • Look for Népouite on Google
  • Look for Népouite images on Google
    • External Links:
  • Look for Népouite on Webmineral
  • Look for Népouite on Athena Mineralogy
  • Look for Népouite on Wikipedia
  • Look for Népouite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Népouite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy RARE Minerals from Rocks of Africa
  • SpiriferMinerals.com - high quality low prices
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
  • Népouite specimens for sale - minfind.com
  • rare and unusual minerals mainly crystallized
  • Find Népouite on www.crystalclassics.co.uk
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy from David K Joyce minerals
  • Buy minerals from YourMineralCollection
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fine Minerals from Weinrich Minerals, Inc.
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Népouite

    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.
    Hide Locality List
    (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.
    Australia
     
    • Tasmania
      • Heazlewood district
    		RRUFF Project Specimen ID: R050268
    • Western Australia
      • Coolgardie Shire
        • Kambalda
          • Kambalda Nickel deposit
            • Otter Juan mine
    		Eardleyite as a Product of the Supergene Alteration of Nickel Sulphides in Western Australia; E Nickel, C Davis, M Bussell, P Bridge, J Dunn, R Macdonald; American Mineralogist, Vol 62, pp 449-457, 1977
        • Widgiemooltha
    		No reference listed
      • Wiluna Shire
        • Mount Keith
    		Grguric, B.A. (2003) Minerals of the MKD5 nickel deposit, Mount Keith, Western Australia. Australian Journal of Mineralogy, Vol. 9, No. 2 , pg. 55-71.
    Austria
     
    • Carinthia
      • Hohe Tauern
        • Reißeck group
          • Gmünd
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
            • Radlgraben
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    Burundi
     
    • Rutana Province
    		The Royal Museum for Central Africa (RMCA), sample # 13204; http://metafro.be/mineralogy/browse_hierarchical_geo?country=Burundi
    Canada
     
    • Newfoundland and Labrador
      • Newfoundland
        • Baie Verte Peninsula
          • Baie Verte
            • Advocate Ophiolite complex
    		Escayola, M., Garuti, G., Zaccarini, F., Proenza, J.A., Bédard, J.H. & Van Staal, C. (2011) Chromitite and platinum-group-element mineralization at Middle Arm Brook, Advocate Ophiolite complex, Baie Verte Peninsula, Newfoundland, Canada. Canadian Mineralogist 49, 1523-1547.
    China
     
    • Yunnan Province
      • Wenshan Autonomous Prefecture
        • Malipo Co.
    		Kaiji Yu (1981): Geology and Prospecting 17(1), 19-25 (in Chinese).
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • South Moravia Region
    		No reference listed
      • Vysočina Region
        • Bystřice nad Pernštejnem
    		Pelíšek, J.: Ni-nerosty v serpentinitu západní Moravy. Časopis pro mineralogii a geologii, 1987, roč. 32, č. 2, s. 207.
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Shinkolobwe
    		MinRec 20:287-288
    Dominican Republic
     
    • Monseñor Nouel Province
      • Bonao
    		Rob Lavinsky
    Germany
     
    • Bavaria
      • Franconia
        • Maroldsweisach
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • Saxony
      • Glauchau
        • Callenberg
    		XRD and SEM-EDX analysis (T. Witzke)
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Lavrion (Laurion; Laurium)
    		No reference listed
    Indonesia
     
    • Moluccas Islands
      • Maluku Province (Moluccas Province)
    		Taixu Luo (2008): Geology and Prospecting 52(4), 45-49
    • Sulawesi Island (Celebes Island)
      • Sulawesi Tengah Province (Central Sulawesi Province)
        • Petasia
    		Wei Fu, Yongzhang Zhou, Yuanrong Chen, Yunhu Hu, Nanchun Chen, Hujie Niu, Zhiwei Zhang, and Xiaolong Li (2010): Earth Science Frontiers 17(2), 127-139
    Italy
     
    • Piedmont
      • Cuneo Province
        • Po Valley
          • Crissolo
            • Pian Melzé (Pian della Regina)
    		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.
      • Torino Province
    		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.
        • Susa Valley
          • Almese
    		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.
    Japan
     
    • Honshu Island
      • Kinki region
        • Mie Prefecture
          • Toba City
    		Minakawa et al (1989) Sanko-Gakkai Kou'en-Youshi, 27.
      • Tohoku Region
        • Fukushima Prefecture
    		Matsubara (1996) Memoirs of the National Science Museum, 29, 33-40.
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azer District (Bou Azzer District)
            • Aït Ahmane
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    New Caledonia
     
    • Comboui River
    		Dana 6:A2:75.
    • Kua River
    		Dana 6:A2:75.
    • Northern Province
      • Canala Commune
    		Dana 6:A2:75.
      • Kouaoua
    		Dana 6:A2:75.
      • Nouméa Commune
        • Népoui
    		C.R.Acad.Sci.Paris (1906) 143, 1173; Bull.Soc.fr.Min.(1907) 30, 17-28
    Dana 6:A2:75.
    • Southern Province
      • Yaté Commune
    		Wells, Martin A.; Ramanaidou, Erick R.; Verrall, Michael; Tessarolo, Christian (2009): Mineralogy and crystal chemistry of "garnierites" in the Goro lateritic nickel deposit, New Caledonia. European Journal of Mineralogy 21, 467-483.
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Ząbkowice District
        • Ząbkowice (Frankenstein)
    		Spangenberg, K., and Müller, M. (1949): Contributions to Mineralogy and Petrology 1(5/6), 560-572.
    Spangenberg, K., and Müller, M. (1949): Die lateritische Zersetzung des Peridotits bei der Bildung der Nickelerzlagerstätte von Frankenstein in Schlesien. Contributions to Mineralogy and Petrology 1(5/6), 560-572
    Portugal
     
    • Aveiro District
      • Albergaria-a-Velha
        • Branca/Ribeira de Fráguas
    		- J. Marques de Sá & C. Leal Gomes (2010): LES MINES DE CUIVRE ET NICKEL DE PALHAL ET TELHADELA, PORTUGAL. Le Regne Mineral, nº92, xx-xx.
    Russia
     
    • Urals Region
      • Middle Urals
        • Sverdlovskaya Oblast'
          • Serov District
            • Kola massif
    		Mikhailov, B.M. (2000): Lithology and Mineral Resources 35(4), 351-364.
      • Southern Urals
        • Chelyabinsk Oblast'
          • Ufaley (Ufalei) District
    		Talovina, I.V., Lazarenkov, V.G., Ryzhkova, S.O., Ugol'kov, V.L., and Vorontsova, N.I. (2008): Lithology and Mineral Resources 43(6), 588-595.
    South Africa
     
    • Limpopo Province
      • Mabilikewe Hill
    		Minerals of South Africa
    • Mpumalanga Province
      • Barberton District
        • Bon Accord
    		Am. Min. 61, 502 (1976)
    Spain
     
    • Catalonia
      • Tarragona
        • Priorat
          • Falset
    		Joan Abella i Creus specimens; XRD by Dr. Felicià Plana and Josep Elvira, Consejo Superior de Investigaciones Científicas en Barcelona.
    USA
     
    • California
      • Del Norte Co.
        • Klamath Mts
          • Diamond Creek District
            • Rockland
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 197; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 422.
          • Gasquet
    		Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 422.
          • Rocky Saddle
    		Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 422.
      • El Dorado Co.
        • Flagstaff Hill area
          • Pilliken
            • Salmon Falls
    		Clark, Wm. B. & D.W. Carlson (1956), Mines and mineral resources of El Dorado County, California: California Journal of Mines and Geology: 52(4): 387, 438; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 197; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 422.
    Montoya, J.W. & Gretta S. Baur (1963), Nickeliferous serpentines, chlorites, and related minerals found in two lateritic ores: American Mineralogist: 48: 1227, 1228.
      • Imperial Co.
        • Coyote Mts
          • Coyote Wells
    		Pemberton, H Earl " Minerals of California" Van Nostrand Reinholt Press
            • Coyote Mountain
    		Morton, P.K. (1977) Mines and mineral resources of Imperial County, California. California Division of Mines and Geology County Report 7, 104 pp.: 77; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 422.
      • Mariposa Co.
        • Mother Lode Belt
          • Bagby-Mariposa-Mount Bullion-Whitlock District
            • Bagby
              • Pacific Mining Co. group
    		Bradley, W.W. (1941), Thirty-seventh report of the State Mineralogist: California Division Mines Report 37: 491; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 422.
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • Idria (New Idria)
    		Bradley, W.W. (1938), Thirty-fourth report of the State Mineralogist: California Division Mines Report 34: 608; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 197; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 423.
      • Santa Cruz Co.
        • Santa Cruz
    		Mineralogical Record: 17:315
      • Tulare Co.
        • Ivanhoe
          • Venice Hills
    		Goodwin, Joseph Grant (1958), Mines and mineral resources of Tulare County, California: California Journal of Mines and Geology (Report 54): 54(3): 344; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 424.
    • New Mexico
      • Luna Co.
    		Excalibur Mineral Corporation - Rare Species K-N
    Leonard S.Wiener and Sigrid Ballew,1995, Updated by Kenny Gay,2006, A Listing Of North Carolina Minerals,Geologic Note No.4
    Genth,F.A,1891,The Minerals of North Carolina,pg.63 and pg.88
      • Jackson Co.
        • Webster-Balsam
    		Conley,J.F,1958,Mineral Localities of North Carolina,pg 39,32,64
      • Macon Co.
        • Cowee Valley
          • Ellijay District
            • Franklin
              • Corundum Hill
    		Genth,F.A,1891,The Minerals of North Carolina,pg63 and pg.103
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 29th Apr 2013 11:31:26
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds