Donate now to keep alive!Help|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
What is a mineral?The most common minerals on earthMineral PhotographyThe Elements and their MineralsGeological TimeMineral Evolution
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery


This page is currently not sponsored. Click here to sponsor this page.
Cu8(Si8O22)(OH)4 · H2O
Blue, greenish blue
Specific Gravity:
3.65 - 3.8
Crystal System:
First described by A. Lacroix (1908) from Mindouli. Named after a French explorer, Mr. Planche, who supplied the samples to Lacroix.
A rare secondary copper silicate.
May be confused with Shattuckite.

Hide all sections | Show all sections

Classification of PlancheiteHide

Approved, 'Grandfathered' (first described prior to 1959)

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
2 : Amphiboles - Ca subgroup

14 : Silicates not Containing Aluminum
2 : Silicates of Cu

Physical Properties of PlancheiteHide

Blue, greenish blue
3.65 - 3.8 g/cm3 (Measured)    3.85 g/cm3 (Calculated)

Optical Data of PlancheiteHide

Biaxial (+)
RI values:
nα = 1.645 nβ = 1.660 nγ = 1.715
Max Birefringence:
δ = 0.070
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
relatively strong
X= pale blue
Y=Z= blue

Chemical Properties of PlancheiteHide

Cu8(Si8O22)(OH)4 · H2O
IMA Formula:
Cu8(Si4O11)2(OH)4 · H2O

Crystallography of PlancheiteHide

Crystal System:
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 19.043(3) Å, b = 20.129(5) Å, c = 5.269(1) Å
a:b:c = 0.946 : 1 : 0.262
Unit Cell V:
2,019.69 ų (Calculated from Unit Cell)

Type Occurrence of PlancheiteHide

Synonyms of PlancheiteHide

Other Language Names for PlancheiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Dioptase145 photos of Plancheite associated with Dioptase on
Malachite84 photos of Plancheite associated with Malachite on
Quartz58 photos of Plancheite associated with Quartz on
Calcite32 photos of Plancheite associated with Calcite on
Cuprite27 photos of Plancheite associated with Cuprite on
Chrysocolla26 photos of Plancheite associated with Chrysocolla on
Baryte7 photos of Plancheite associated with Baryte on
Shattuckite7 photos of Plancheite associated with Shattuckite on
Willemite7 photos of Plancheite associated with Willemite on
Azurite7 photos of Plancheite associated with Azurite on

Related Minerals - Nickel-Strunz GroupingHide

9.DB.05Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.05Potassiccarpholite(K,☐)(Li,Mn2+)2Al4(Si2O6)2(OH,F)8Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.05VanadiocarpholiteMn2+V3+Al(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.10LorenzeniteNa2Ti2(Si2O6)O3Orth. mmm (2/m 2/m 2/m) : Pbcn
9.DB.15LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2OMon.
9.DB.15PunkaruaiviteLiTi2(HSi4O12)(OH)2 · H2OMon. 2/m : B2/b
9.DB.17EliseeviteLiNa1.5Ti2(H1.5Si4O12)O2 · 2H2OMon. 2/m : B2/b
9.DB.20KukisvumiteNa6ZnTi4(Si8O24)O4 · 4H2OOrth.
9.DB.20ManganokukisvumiteNa6MnTi4(Si8O24)O4 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pccn
9.DB.25VinogradoviteNa4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3Mon. 2/m : B2/b
9.DB.25ParavinogradoviteNa1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2OTric. 1 : P1
9.DB.30NchwaningiteMn2+2(SiO3)(OH)2 · H2OOrth.
9.DB.40ShattuckiteCu5(Si2O6)2(OH)2Orth. mmm (2/m 2/m 2/m)
9.DB.40UM2005-31-SiO:CuHCu11(SiO4)(OH)18 · 9H2O ?
9.DB.50CapranicaiteKCaNaAl4B4Si2O18Mon. 2/m : P21/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.2.1DioptaseCuSiO3 · H2OTrig. 3 : R3
14.2.2ShattuckiteCu5(Si2O6)2(OH)2Orth. mmm (2/m 2/m 2/m)
14.2.4GilaliteCu5Si6O17 · 7H2OMon.
14.2.5ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2OOrth.
14.2.7ReinhardbraunsiteCa5(SiO4)2(OH,F)2Mon. 2/m : P21/b
14.2.8CuprorivaiteCaCuSi4O10Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
14.2.9KinoiteCa2Cu2(H2O)2[Si3O10]Mon. 2/m : P21/m
14.2.10StringhamiteCaCu(SiO4) · H2OMon.
14.2.11ApachiteCu9Si10O29 · 11H2OMon.

Other InformationHide

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

References for PlancheiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lacroix, A. (1908): Sur une nouvelle espècie minérale, provenant du Congo francaise. Compte rendu Acad. Sci., 146, 722-725
Schaller, W. T. (1919): Plancheite and shattuckite, copper silicates, are not the same mineral. J. Wash. Acad. Sci. 9, 131-134.
Evans, H. T., Jr. & Mrose, M. E. (1966): Shattuckite and plancheite: a crystal chemical study. Science 154, 506-507.
Dell'Anna, L. & Garavelli, C. L. (1967): Plancheite of Capo Calamita, Elba Island. Period. Mineral. 36, 125-146 (in Italian).
Van Oosterwyck-Gastuche, M. C. (1968): Nomenclature of some Katangan copper silicates. Plancheite-shattuckite-bisbeeite-Katangite minerals. Ann. Soc. Géol. Belg. 91, 401-422 (in French).
Kawamura, K., Kawahara, A., Henmi, K. (1976): Hydrothermal synthesis and x-ray study of copper silicate hydrate minerals. Kobutsugaku Zasshi 12, 403-414 (in Japanese).
Evans, H.T. & Mrose, M.E. (1977): The crystal chemistry of the hydrous copper silicates, shattuckite and plancheite. American Mineralogist 62, 491-502.
Frost, R. L. & Xi, F. (2012): A vibrational spectroscopic study of planchéite Cu8Si8O22(OH)4•H2O. Spectrochimica Acta, A91, 314-318.

Internet Links for PlancheiteHide

Localities for PlancheiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Western Antarctica
    • Antarctic Peninsula
      • Palmer Land
Vennum, W.R.; Nishi, J.M. (1981) New Antarctic mineral occurrences. Antarctic Journal of the U.S., 16(5), 14-15.
  • Córdoba
    • Colón Department
      • Dumesnil
Colombo, F., Lira, R., Ripley, E. M., & del Tanago, J. G. (2011). Geology, mineralogy and possible origin of the copper mineralization in marble near Saldan, Cordoba (Argentina). Journal of GEOsciences, 56(3), 299-316.
      • Unquillo
Minerals acquired from Nelson Valenzuela
  • Atacama Region
    • Copiapó Province
      • Tierra Amarilla
        • Las Pintadas district
          • Cerro Pintado
collected and analysed by french mineralogist Remy Phillippe
Democratic Republic of the Congo
  • Katanga (Shaba)
    • Kambove District
Arliguie M photo
Lapis 17(3), 13-40 (1992)
      • Kamoya
Van King
Van King
Lapis 17(3), 13-40 (1992)
Lapis 17(3), 13-40 (1992)
Lapis 17(3), 13-40 (1992)
      • Shinkolobwe
Lapis 17(3), 13-40 (1992); Vochten, R., Janssens, J. & Blaton, N. (2005): Reinvestigation of Dioptase-Planchéite Pseudomorphs after Calcite from the Tantara Copper Deposit Katanga, Republique du Congo. Mineralogical Record. 36, 521-524
    • Kolwezi District
      • Kamoto
No reference listed
      • Kolwezi
Rob Lavinsky specimen
No reference listed
      • Mutoshi (Ruwe)
Deliens, M. L (1989) Agardite-(y) De Mutoshi, Shaba, Zaire. Annales de la Societe Geolique de Belgique 112:207-213
    • Lubumbashi (Elizabethville)
Van King
  • Auvergne-Rhône-Alpes
    • Rhône
      • Villefranche
        • Chessy-les-Mines
[Le Cahier des Micromonteurs 1988, 4, p.6-46]
  • Rhineland-Palatinate
    • Palatinate
      • Winnweiler
        • Imsbach
Wittern: "Mineralfundorte in Deutschland", 2001
  • Southern District (HaDarom District)
    • Eilat
Shlomovitch, N., Bar-Matthews, M., & Matthews, A. (1999). Sedimentary and epigenetic copper mineral assemblages in the Cambrian Timna Formation, southern Israel. Israel Journal of Earth Sciences, 48(140), 195-208.
Bartura, Y., & Würzburger, U. (1974). The Timna copper deposit. Annales de la Société géologique de Belgique. p277-285
  • Sardinia
    • Carbonia-Iglesias Province
      • Domusnovas
Moldovan, C., Călugăr, M. I., Onac, B. P., de Waele, J., Naseddu, A., & Fornós, J. J. (2013) A CONTRIBUTION TO THE MINERALOGY OF MONTE GUISI CAVE (SW SARDINIA, ITALY) Cave Mineralogy – poster 2013 ICS Proceedings
        • Oridda
Stara P., Rizzo R. and Tanca G. (1996): Iglesiente e Arburese. Miniere e minerali. E.M.Sa. Ed., pagg. 105-106.
      • Fluminimaggiore
        • Oridda Valley
Pelloux A. (1930): Plancheite di Arenas (Sardegna). p. 154. Periodico di Mineralogia - Roma and Mariani P., Scaini G.: "I minerali d'Italia" - Rizzoli, 1978 and A. Del Caldo, C. Del Moro, C.M. Gramaccioli, M. Boscardin M. "Guida ai Minerali" Fabbri ed. Milano, 1981 and De Michele V. (1975) – Guida Mineralogica d’Italia – Ist. Geogr. De Agostini, Novara
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Trento Province
      • Valsugana
        • Vignola-Falesina
Paolo Gasparetto, Erica Bittarello, Andrea Canal, Lara Casagrande, Marco E. Ciriotti, Bruno Fassina, Paolo Ferretti, Sergio Pegoraro, Fabio Tosato, Paolo Zammatteo (2014): I lavori minerari del Rio Ricet, Vignola, Falesina, Trento. Micro, 12, 50-123.
  • Tuscany
    • Livorno Province
      • Elba Island
        • Capoliveri
          • Cape Calamita Mine (Calamita Mine)
L. Dell'Anna, C.L. Garavelli (1967) - Plancheite di Capo Calamita (Isola d'Elba) - Per. Min., 36: 126-146.
  • Honshu Island
    • Tohoku Region
      • Akita Prefecture
Akira Kato (1973) Sakurai Koubutsu Hyohon, 63. (Sakurai collection); Ohnishi, M., & Shimobayashi, N. (2011). Tsumebite from the Kisamori mine, Akita Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 106(1), 51-56.
  • Sonora
    • Mun. de Santa Cruz
      • Cuitaca
Moore, T. and M. Origlieri (2008) Famous Mineral Localities: The Milpillas Mine, Cananea District, Sonora, Mexico. Mineralogical Record 39:6 pp 25-34
  • Hardap Region
    • Maltahöhe District
Bezing, L. von, Bode, R. & Jahn, S. (2008): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern, 382 pp. (in English)
  • Kunene Region
    • Kaokoveld Plateau
Brandstetter, R. (2012): Dioptas aus Namibia: Sensationelle Neufunde aus der Christoph Mine im Kaokoland. Lapis. 37 (1):13-15
Niedermayr, G., Schnaitmann, E. A., Brandstätter, F. (2008): Das Dioptas-Shattuckit-Vorkommen Kandesei im Kakokoland [sic]. Mineralien-Welt 19, 76-93 (in German).; Bowell, R J et al (2013) Minerals of the Kaokoveld District, Kunene Region, Namibia. Mineralogical Record 44:485-504
Palfi, A. (2005): Spessartin- und Dioptas-Mineralisationen im Kaokoland, Namibia. Mineralien-Welt 16 (4), 49-61 (in German). ; Bowell, R J et al (2013) Minerals of the Kaokoveld District, Kunene Region, Namibia. Mineralogical Record 44:485-504
- Brandstätter, F.; Niedermayr, G.; Schnaitmann,E. A.; Walter F. (2011): Neue Fundstelle in Namibia: Die Van-der-Plas-Mine im Kaokoland. Mineralien Welt 22 (5), 66-75.
    • Khorixas District
      • Mesopotamia Copper Valley
Gerhard Niedermayr: Mesopotamia 504 - die Typlokalität des Namibit; Niedermayr, G.(2001): Mesopotamia 504 - die Typlokalität des Namibit. In: S. Jahn, O. Medenbach, G. Niedermayr, G. Schneider: Namibia - Zauberwelt edler Steine und Kristalle (1 Edition, in German), 97-99
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Gebhard, G. (1999): Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany
  • Otjozondjupa Region
    • Grootfontein District
[Mineralogical Record 28:124]
Am Min (1959) 44:682-685
    • Otavi
      • Finsterbergen Farm 469
[Mineralogical Record 28:125]
Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia. Mineralien und Fundstellen. Edition Schloss Freudenstein, Bode Verlag, Haltern. (in German)
  • Sør-Trøndelag
    • Oppdal
Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og Steinsenter. Unpublished paper.
Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og steinsenter. Unpublished paper.
  • Évora District
    • Montemor-o-Novo
      • Silveiras
Pedro Alves collection and analytical data.
Republic of Congo (Brazzaville)
  • Pool Department
    • Kindanba District
      • Renéville
        • Renéville Mine (Djoué Mines)
Demetrius Pohl,
    • Mindouli District
Rob Lavinsky photo
      • Mindouli
American Mineralogist (1977), 62, pp. 491-502
South Africa
  • Limpopo Province
    • Bushveld Complex
      • Waterberg District
        • Bela-Bela (Warmbaths; Warmbad)
Atanasova, M., Cairncross, B. and Windisch, W.R. (2016) Microminerals of the Bushveld Complex, South Africa. Popular Geoscience Series 6, Council for Geoscience, Pretoria, South Africa, 146 pg
    • Vhembe District
      • Musina (Messina)
Minerals of South Africa
  • Northern Cape Province
    • Namakwa District (Namaqualand)
Minerals of South Africa
  • Andalusia
    • Huelva
      • Zufre
Calvo, M. (2016). Minerales y Minas de España. Vol VIII.Cuarzo y otros minerales de la sílice. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 399 págs.
  • England
    • Cheshire
      • Alderley Edge
No reference listed
    • Cornwall
      • St Austell District
        • Treverbyn
          • Stenalees
[Golley & Williams, 1995, 48 - "Cornish Mineral Reference Manual"]
    • Cumbria
      • Caldbeck Fells
No reference listed
  • Arizona
    • Cochise Co.
      • Dragoon Mts
        • Dragoon District (Golden Rule District)
Rolf Luetcke
      • Mule Mts
        • Warren District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:69
    • La Paz Co.
      • Little Harquahala Mts
        • Little Harquahala District
          • Salome
            • Martin Peak
              • Bonanza and Golden Eagle Mine group
Ron Gyllenhammer Collection
      • New Water Mts
        • New Water District
          • Moore Mine group
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330.
    • Maricopa Co.
      • Big Horn Mts
        • Big Horn District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330; Montoya, J. (1967), A new occurrence of planchéite in AZ, Rocks & Minerals: 277.
      • Vulture Mts
Eckhard D. Stuart
    • Pima Co.
      • Ajo District
        • Little Ajo Mts
          • Ajo
Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81.
      • Santa Rita Mts
        • Helvetia-Rosemont District
          • Helvetia
            • Monument Mountain
Rolf Luetcke
    • Pinal Co.
      • Galiuro Mts
        • Table Mountain District
          • Table Mountain area
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 183, 330, 421; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 111.
      • Mammoth District
        • Tiger
          • St. Anthony deposit
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
      • San Manuel District
        • San Manuel
          • San Manuel Mine (Apex Lead & Vanadium Mining Corp Mine; Quarelli group)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330; Thomas, L.A. (1966), Geology of the San Manuel ore body, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, Univ. AZ Press, Tucson: 133-142.
      • Tohono O'odham Indian Reservation
        • Silver Reef District
          • Tat Momoli Mts
            • Chuichu area
              • Silver Reef Mountains area
                • White Horse Pass area
Collected by and in the collection of Brent Thorne
            • Silver Reef Mountains
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330.
      • Tortolita Mts
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 137, 183, 330; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol.Soc.Digest: 3: 53-56.
    • Yavapai Co.
      • Bradshaw Mts (Bradshaw Range)
        • Castle Creek District
          • Copperopolis
Rolf Luetcke
Rolf Luetcke
            • Whipsaw Gulch (Whipsaw Creek)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330.
  • California
    • Inyo Co.
      • Inyo Mts (Inyo Range)
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 515.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 266, 290, 336.
  • Colorado
    • San Juan Co.
      • Elk Park
Minerals of Colorado (1997) E.B. Eckels
  • Michigan
    • Ontonagon Co.
      • Mass City
Rocks & Min.:58:112.
        • Mass Consolidated Mine
Mineralogy of Michigan (2004) Heinrich & Robinson
  • Nevada
    • Churchill Co.
      • Table Mountain District
        • Cottonwood Canyon
          • Bolivia
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Luna Co.
      • Cooks Peak District (Cooke's Peak District)
        • Old Hadley (Graphic) Mining District
Walstrom 2006 New Mexico Mineral Symposium abstracts
      • Victorio District
Jerry Cone Collection
  • Utah
    • Beaver Co.
      • Beaver Lake Mts
UGMS Bull 117 Minerals and Mineral Localities of Utah
  • Copperbelt Province
    • Kalulushi District
      • Chambishi
No reference listed
  • North-Western Province
    • Solwezi District
personal visits and collecting in 1996 and 1997
Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © and the Hudson Institute of Mineralogy 1993-2018, except where stated. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: February 21, 2018 22:48:37 Page generated: February 11, 2018 16:09:29
Go to top of page