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Hydroxylclinohumite

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Formula:
Mg9(SiO4)4(OH)2
Colour:
Pale yellow to orange-yellow, almost colourless.
Lustre:
Vitreous, Dull
Hardness:
Crystal System:
Monoclinic
Name:
In allusion to its chemical composition and crystal structure as the HYDROXYL-dominant, monoCLINic member of the group and its relationship to humite which was named after Sir Abraham Hume (1749-1838), English connoisseur and collector of gems, minerals and artwork.
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Classification of HydroxylclinohumiteHide

Approved
Approval Year:
1998
9.AF.55

9 : SILICATES (Germanates)
A : Nesosilicates
F : Nesosilicates with additional anions; cations in [4], [5] and/or only [6] coordination

Physical Properties of HydroxylclinohumiteHide

Vitreous, Dull
Colour:
Pale yellow to orange-yellow, almost colourless.
Streak:
White
Hardness:
6½ on Mohs scale

Optical Data of HydroxylclinohumiteHide

Type:
Biaxial (+)
RI values:
nα = 1.631 nβ = 1.641 nγ = 1.664
2V:
Measured: 70° , Calculated: 68°
Max Birefringence:
δ = 0.033
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak

Chemical Properties of HydroxylclinohumiteHide

Formula:
Mg9(SiO4)4(OH)2

Crystallography of HydroxylclinohumiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 13.6894 Å, b = 4.748 Å, c = 10.273 Å
β = 100.72°
Ratio:
a:b:c = 2.883 : 1 : 2.164
Unit Cell V:
656.06 ų
Z:
3

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of HydroxylclinohumiteHide

Synonyms of HydroxylclinohumiteHide

Other Language Names for HydroxylclinohumiteHide

Relationship of Hydroxylclinohumite to other SpeciesHide

Other Members of this group:
Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2Mon. 2/m : P21/b
ClinohumiteMg9(SiO4)4F2Mon.
Humite(Mg,Fe2+)7(SiO4)3(F,OH)2Orth. mmm (2/m 2/m 2/m)
HydroxylchondroditeMg5(SiO4)2(OH)2Mon. 2/m : P21/b
NorbergiteMg3(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)

Common AssociatesHide

Associated Minerals Based on Photo Data:
Clinochlore14 photos of Hydroxylclinohumite associated with Clinochlore on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AF.05SillimaniteAl2(SiO4)OOrth. mmm (2/m 2/m 2/m)
9.AF.10AndalusiteAl2(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
9.AF.10KanonaiteMn3+Al(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
9.AF.15KyaniteAl2(SiO4)OTric. 1 : P1
9.AF.20MulliteAl4+2xSi2-2xO10-xOrth. mmm (2/m 2/m 2/m) : Pbam
9.AF.20Krieselite(Al,Ga)2(GeO4)(OH)2Orth. mmm (2/m 2/m 2/m) : Pnma
9.AF.23BoromulliteAl9BSi2O19Orth. mm2 : Cmc21
9.AF.25YoderiteMg(Al,Fe3+)3(SiO4)2O(OH)Mon. 2/m : P21/m
9.AF.30MagnesiostauroliteMg(Mg,Li)3(Al,Mg)18Si8O44(OH)4Mon. 2/m : B2/m
9.AF.30StauroliteFe2+2Al9Si4O23(OH)Mon. 2/m : B2/m
9.AF.30ZincostauroliteZn2Al9Si4O23(OH)Mon. 2/m : B2/m
9.AF.35TopazAl2(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.40NorbergiteMg3(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.45AlleghanyiteMn2+5(SiO4)2(OH)2Mon. 2/m : P21/b
9.AF.45Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2Mon. 2/m : P21/b
9.AF.45ReinhardbraunsiteCa5(SiO4)2(OH,F)2Mon. 2/m : P21/b
9.AF.45KumtyubeiteCa5(SiO4)2F2Mon. 2/m : P21/b
9.AF.45HydroxylchondroditeMg5(SiO4)2(OH)2Mon. 2/m : P21/b
9.AF.50Humite(Mg,Fe2+)7(SiO4)3(F,OH)2Orth. mmm (2/m 2/m 2/m)
9.AF.50Manganhumite(Mn2+,Mg)7(SiO4)3(OH)2Orth.
9.AF.50Unnamed (Ca-analogue of Humite)Ca7(SiO4)4F2Orth. mmm (2/m 2/m 2/m)
9.AF.55ClinohumiteMg9(SiO4)4F2Mon.
9.AF.55SonoliteMn2+9(SiO4)4(OH)2Mon.
9.AF.60LeucophoeniciteMn2+7(SiO4)3(OH)2Mon. 2/m : P21/b
9.AF.65Ribbeite(Mn2+,Mg)5(SiO4)2(OH)2Orth.
9.AF.70JerrygibbsiteMn2+9(SiO4)4(OH)2Orth. mmm (2/m 2/m 2/m) : Pbcn
9.AF.75FranciscaniteMn2+6(V5+,☐)2(SiO4)2(O,OH)6Hex.
9.AF.75ÖrebroiteMn2+3(Sb5+,Fe3+)(SiO4)(O,OH)3Hex.
9.AF.75WeliniteMn2+6(W6+,Mg)2(SiO4)2(O,OH)6Trig. 3 : P3
9.AF.80EllenbergeriteMg6(Mg,Ti,Zr,◻)2(Al,Mg)6Si8O28(OH)10Hex.
9.AF.85Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2Mon. 2/m : B2/b
9.AF.85MagnesiochloritoidMgAl2(SiO4)O(OH)2Mon. 2/m : B2/b
9.AF.85Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2Mon.
9.AF.90PoldervaartiteCaCa[SiO3(OH)](OH)Orth. mmm (2/m 2/m 2/m) : Pbca
9.AF.90OlmiiteCaMn2+[SiO3(OH)](OH)Orth. mmm (2/m 2/m 2/m) : Pbca

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 HydroxylclinohumiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
V.M. Gekimyants, E.V. Sokolova, E.M. Spiridonov, G. Ferraris, N.V. Chukanov, M. Prencipe, V.N. Avdonin, Yu.A. Polenov (1999): Hydroxylclinohumite Mg9(SiO4)4(OH,F)2 - a new mineral of the humite group. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva 128(5): 64-70.
FERRARIS, G., PRENCIPE, M., SOKOLOVA, E.V., GEKIMYANTS, V.M., SPIRIDONOV, E.M. (2000): Hydroxylclinohumite, a new member of the humite group: Twinning, crystal structure and crystal chemistry of the clinohumite subgroup. Zeitschrift für Kristallographie, 215, 169-173.
Hurai, V., Wierzbicka-Wieczorek, M., Pentrák, M., Huraiová, M., Thomas, R., Swierczewska, A., Luptáková, J. (2014): X-ray diffraction and vibrational spectroscopic characteristics of hydroxylclinohumite from ruby-bearing marbles (Luc-Yen district, Vietnam). International Journal of Mineralogy, Article ID 648530. [http://dx.doi.org/10.1155/2014/648530 open access]

Internet Links for HydroxylclinohumiteHide

Localities for HydroxylclinohumiteHide

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.
Afghanistan
 
  • Badakhshan Province (Badakshan Province; Badahsan Province)
    • Khash & Kuran Wa Munjan Districts
RRUFF project
http://rruff.info/hydroxylclinohumite/display=default/
        • Sar-e Sang (Sar Sang; Sary Sang)
Gunnar Farber
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Třebíč
Houzar S.: Zinkem a baryem bohaté minerální asociace (sfalerit - Zn-spinel - hyalofán - Ba-flogopit) z mramoru u Číchova na západní Moravě (moldanubikum). Acta rerum naturalium (Jihlava), 2015, 18, 1-7.
Houzar S.: Spinel z Číhalína a Nové Vsi u Třebíče, západní Morava. Minerál, 2010, 18, 1, 69-71.
      • Žďár nad Sázavou
Doležalová, H., Houzar, S., Škoda, R.: Minerální asociace forsteritových mramorů s Ba-flogopitem a klinoshitalitem na uranovém ložisku Rožná, moldanubikum, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 2005, roč. 90, s. 75 - 88.
Italy
 
  • Aosta Valley
    • Nus
      • Saint-Barthélemy
Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122.Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2007): Errata corrige: Varenche. Micro (località), 1/2007, 180-180.
  • Liguria
    • Genova Province
      • Tiglieto
Marchesini, M. & Poggi, E. (2014). I minerali di Badia di Tiglieto (Genova). Rivista Mineralogica Italiana, 38, 74-95.
  • Lombardy
    • Sondrio Province
      • Valtellina
Alexandra Friedrich, George A. Lager, Martin Kunz, Bryan C. Chakoumakos, Joseph R. Smyth, and Arthur J. Schultz(2001): Temperature-dependent single-crystal neutron diffraction study of natural chondrodite and clinohumite, American Mineralogist, Volume 86, pages 981–989
          • Lanterna Valley
            • Lanzada
Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp. Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
              • Campo Moro Valley
Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp. Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
Trommsdorff, V., and Evans, B.W. (1980) Titanian hydroxyl-clinohumite formation and breakdown in antigorite rocks (Malenco - Italy). Contrib. Mineral. Petrol., 72, 229-242. Bedogné, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp. Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp. Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
Simone Boscolo
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
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.
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Polar Yakutia
        • Dogdo River Basin
          • Tas-Khayakhtakh Range
            • Titovskoe B deposit
              • Izvestkovyi Stream
Galuskina I.O., Kadiyski M., Armbruster T., Galuskin E.V., Pertsev N.N., Dzierzanowski P., Wrzalik R. (2008) A new natural phase in the system Mg2SiO4-Mg2BO3F-Mg2BO3(OH): composition, paragenesis and structure of OH-dominant pertsevite, - Eur. J. Mineral., 20, p. 951-964.
  • Far-Eastern Region
    • Khabarovskiy Kray
      • Dzhugdzhur Ridge
Galuskina, I. O., Kadiyski, M., Armbruster, T., Galuskin, E. V., Pertsev, N. N., Dzierzanowski, P., & Wrzalik, R. (2008). A new natural phase in the system Mg2SiO4Mg2BO3FMg2BO3 (OH): composition, paragenesis and structure of OH-dominant pertsevite. European Journal of Mineralogy, 20(5), 951-964.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Zlatoust
          • Kusinsk Fe-Ti-V-deposit
[AmMin 85:1843]
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