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Delessite

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Formula:
(Mg,Fe,Fe,Al)(Si,Al)4O10(O,OH)8
Name:
Named by Karl Friedrich Naumann in 1850 in honor of Achille-Joseph Delesse (1817 Metz, France – March 24, 1881 Paris, France), mineralogist and geologist of the Sorbonne University and later, the Ecole des Mines.
A variety of Clinochlore

Fe-bearing variety of clinochlore.

Classification of Delessite

16.19.10

16 : Silicates Containing Aluminum and other Metals
19 : Aluminosilicates of Fe and Mg
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Chemical Properties of Delessite

Formula:
(Mg,Fe,Fe,Al)(Si,Al)4O10(O,OH)8
Essential elements:
All elements listed in formula:

Relationship of Delessite to other Species

16.19.1IndialiteMg2Al3(AlSi5O18)
16.19.2Cordierite(Mg,Fe)2Al3(AlSi5O18)
16.19.3Sekaninaite(Fe,Mg)2Al3(AlSi5O18)
16.19.4Ferro-gedrite☐{Fe22+}{Fe32+Al2}(Al2Si6O22)(OH)2
16.19.5StauroliteFe22+Al9Si4O23(OH)
16.19.6Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
16.19.7AmesiteMg2Al(AlSiO5)(OH)4
16.19.8Corundophilite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
16.19.9YoderiteMg(Al,Fe3+)3(SiO4)2O(OH)
16.19.11Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4
16.19.12Magnesiocarpholite(Mg,Fe2+)Al2(Si2O6)(OH)4
16.19.13Chamosite(Fe2+,Mg)5Al(AlSi3O10)(OH)8
16.19.14Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
16.19.15Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
16.19.16Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4
16.19.17Clinochlore(Mg,Fe2+)5Al(AlSi3O10)(OH)8
16.19.18Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
16.19.19Magnesiogedrite
16.19.20Diabantite(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
16.19.21Sudoite(Mg,Fe2+)2Al3(AlSi3O10)(OH)8
16.19.22Vermiculite(Mg,Fe,Al)3((Al,Si)4O10)(OH)2 · 4H2O
16.19.23Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O

Other Names for Delessite

Name in Other Languages:

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 Delessite

Localities for Delessite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Antarctica
AmMin 36:361-367
Bulgaria
 
  • Sofiya Town Oblast (Grad Sofia Oblast)
    • Sofiya Obshtina (Sofia Obshtina)
I. Kostov, V. Breskovska, J. Mincheva-Stefanova, G. Kirov (1964): Minerals of Bulgaria. Sofia, Bulgaria, 540 pp. (in Bulgarian).
China
 
  • Jiangxi Province
    • Shangrao Prefecture
      • Yanshan Co. (Qianshan Co.)
        • Yongping
Bi Zhu, Shaoyong Jiang, Xin Ding, Yaohui Jiang, Pei Ni, and Liangxin Gu (2008): Acta Petrologica Sinica 24(8), 1900-1916
  • Qinghai Province
    • Haixi Autonomous Prefecture
      • Golmud Co. (Ge'ermu Co.)
        • Qimantage Mts
Miao Yu, Chengyou Feng, Guangying Bao, Hongchuan Liu, Yiming Zhao, Daxin Li, Ye Xiao, and Jiannan Liu (2013): Mineral Deposits 32(1), 55-76
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Beroun (Beraun)
Vtělenský J. (1959): Mineralogie oolitických železných rud z některých ložisek Barrandienu. Geotechnica, sv. 26, Nakladatelství ČSAV Praha.
    • Karlovy Vary Region
      • Kraslice (Graslitz)
Beran, P.: Mineralogie ložiska Cu (Ag, Au, Co) rud Tisová u Kraslic. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 65-77.
    • Ústí Region
      • Ústí nad Labem (Aussig)
Ulrych, J. et al. (2000): Tertiary phonolite laccolith of Mariánská hora hill, N. Bohemia: geological, petrological and mineralogical characteristics. Acta Montana IRSM AS CR, series A No. 15 (116), p. 5-44.
  • Moravia (Mähren; Maehren)
    • Vysočina Region
Houzar, S.: Přehled minerálů amfibolitového lomu v Mirošově (západní Morava), Minerál, 1999, roč. 7, č. 4, s. 294-296.
Germany
 
  • Rhineland-Palatinate
    • Hunsrück
      • Herrstein
        • Niederwörresbach
Weiss: "Mineralfundstellen, Deutschland West", 1990
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Thuringia
    • Harz
      • Hermannsacker
Thomas Lühr collection
Madagascar
 
  • Fianarantsoa Province
    • Atsimo-Atsinanana Region
Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A. Challamel (Éditeur), Paris. p 603
New Zealand
 
  • North Island
    • Waikato
      • Thames-Coromandel
        • Tararu
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
  • South Island
    • Aorangi
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
North Korea
 
  • Kangwon Province
    • Samchok-kun
      • Puksam-myon
Kinosaki, Y. (1941) Jour. Min. Soc. Korea, 24, 12.
Norway
 
  • Aust-Agder
    • Valle
      • Strømsheia (Straumsheia)
Neumann, H. (1955): Kobberforekomstene på Straumsheia. Norges Geologiske Undersøkelse 191, 18-29
Russia
 
  • Far-Eastern Region
    • Primorskiy Kray
      • Vostok
Soloviev, S. G., & Krivoshchekov, N. N. (2011). Vostok-2 gold-base-metal-tungsten skarn deposit, Central Sikhote-Alin, Russia. Geology of Ore Deposits, 53(6), 478-500.
Slovakia
 
  • Banská Bystrica Region
    • Brezno Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
      • Mýto pod Ďumbierom
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
  • Bratislava Region
    • Malacky Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Košice Region
    • Gelnica Co.
      • Švedlár (Schwedler)
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Košice Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Rožňava Co.
      • Vyšná Slaná (Obersalz)
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
  • Prešov Region
    • Poprad Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
  • Trnava Region
    • Trnava Co.
      • Smolenice
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Žilina Region
    • Liptovský Mikuláš Co.
      • Východná
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
Sweden
 
  • Hälsingland
    • Ljusdal
  • Lappland
    • Kiruna district
Valentin Alain (2014) Mineral Chemistry and Texture Paragenesis of Alteration Minerals in the Pahtohavare Cu-Au Deposit, Sweden. Masters Thesis Luleå University of Technology
  • Medelpad
    • Timrå
UK
 
  • England
    • Derbyshire
      • Blackwell-in-the-Peak
[Specimen in the Natural History Museum, London]
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:66
    • Santa Cruz Co.
      • Santa Rita Mts
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 339-340.
  • Massachusetts
    • Essex Co.
Gleba, 1978. Massachusetts Mineral & Fossil Localities
    • Middlesex Co.
Yale Peabody Museum #5236
Palache & Fraprie, Proc.Am.Acad.Arts.Sci. 38:383-393.
Gleba, 1978. Massachusetts Mineral & Fossil Localities
  • Michigan
www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
    • Keweenaw Co.
      • Phoenix
Mineralogy of Michigan (E. W. Heinrich & G. W. Robinson)
  • Utah
    • Utah Co.
      • East Tintic Mts
UGMS Bull 117 Minerals and Mineral Localities of Utah
  • Virginia
    • Floyd Co.
Minerals of Virginia, 1990 by R. V. Dietrich
Mineral and/or Locality  
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