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Hydroxylclinohumite

Big Photo

Zelentsovskaya Pit, Kusinsk Fe-Ti-V-deposit, Zlatoust, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
© Knut Eldjarn

Show Hydroxylclinohumite Photos (2)
Formula:
Mg
 
9
[(OH,F)
 
2
|(SiO
 
4
)
 
4
]
System:MonoclinicColour:Pale yellow to ...
Lustre:Vitreous, DullHardness:6½
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.


Humite Group.

Classification of Hydroxylclinohumite

IMA status:Approved 1998
Strunz 8th edition ID:8/B.04-42
Nickel-Strunz 10th (pending) edition ID:9.AF.55

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

Type Locality:Zelentsovskaya Pit, Kusinsk Fe-Ti-V-deposit, Zlatoust, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia

Physical Properties of Hydroxylclinohumite

Lustre:Vitreous, Dull
Colour:Pale yellow to orange-yellow, almost colourless.
Streak:White
Hardness (Mohs):6½

Crystallography of Hydroxylclinohumite

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

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Hydroxylclinohumite

Type:Biaxial (+)
RI values: nα = 1.631 nβ = 1.641 nγ = 1.664
2V:Measured: 70° , Calculated: 68°
Maximum Birefringence:δ = 0.033

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

Chemical Properties of Hydroxylclinohumite

Formula:
Mg
 
9
[(OH,F)
 
2
|(SiO
 
4
)
 
4
]
Essential elements:H, Mg, O, Si
All elements listed in formula:F, H, Mg, O, Si

Relationship of Hydroxylclinohumite to other Species

Member of Group:
Humite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
9.AF.05Sillimanite
Al
 
2
[O|SiO
 
4
]
9.AF.10Andalusite
Al
 
2
[O|SiO
 
4
]
9.AF.10Kanonaite
Mn
3+
 
Al[O|SiO
 
4
]
9.AF.15Kyanite
Al
 
2
[O|SiO
 
4
]
9.AF.20Mullite
Al
 
8
[(O,OH,F)|(Si,Al)O
 
4
]
 
4
9.AF.20Krieselite
(Al,Ga)
 
2
[(OH)
 
2
|GeO
 
4
]
9.AF.23Boromullite
Al
 
9
Si
 
2
BO
 
19
9.AF.25Yoderite
Mg(Al,Fe
3+
 
)
 
3
[O|OH|(SiO
 
4
)
 
2
]
9.AF.30Magnesiostaurolite
(Mg,Li,Fe
2+
 
)
 
1.5-2
Al
 
9
[O
 
6
|(OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.30Staurolite
(Fe
2+
 
,Mg,Zn)
 
1.5-2
Al
 
9
[O
 
6
|(OH,O)
 
2
|(SiO
 
4
)
 
4
]
9.AF.30Zincostaurolite
(Zn,Li,Fe
2+
 
,Mg)
 
<2
Al
 
9
[O
 
6
|(OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.35Topaz
Al
 
2
[(F,OH)
 
2
|SiO
 
4
]
9.AF.40Norbergite
Mg
 
3
[(F,OH)
 
2
|SiO
 
4
]
9.AF.45Alleghanyite
Mn
2+
5
[(OH)
 
2
|(SiO
 
4
)
 
2
]
9.AF.45Chondrodite
(Mg,Fe
2+
 
)
 
5
[(F,OH)
 
2
|(SiO
 
4
)
 
2
]
9.AF.45Reinhardbraunsite
Ca
 
5
[(OH,F)
 
2
|(SiO
 
4
)
 
2
]
9.AF.45Kumtyubeite
Ca
 
5
(SiO
 
4
)
 
2
F
 
2
9.AF.50Humite
(Mg,Fe
2+
 
)
 
7
[(F,OH)
 
2
|(SiO
 
4
)
 
3
]
9.AF.50Manganhumite
(Mn
2+
 
,Mg)
 
7
[(OH)
 
2
|(SiO
 
4
)
 
3
]
9.AF.50Unnamed (Ca-analogue of humite)
Ca
 
7
(SiO
 
4
)
 
3
(OH)
 
2
9.AF.55Clinohumite
(Mg,Fe
2+
 
)
 
9
[(F,OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.55Sonolite
Mn
2+
9
[(OH,F)
 
2
|(SiO
 
4
)
 
4
]
9.AF.60Leucophoenicite
Mn
2+
7
[(OH)
 
2
|(SiO
 
4
)
 
3
]
9.AF.65Ribbeite
(Mn
2+
 
,Mg)
 
5
[(OH)
 
2
|(SiO
 
4
)
 
2
]
9.AF.70Jerrygibbsite
Mn
2+
9
[(OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.75Franciscanite
Mn
2+
6
(V
5+
 
,[])
 
2
[(O,OH)
 
3
|SiO
 
4
]
 
2
9.AF.75Örebroite
Mn
2+
3
(Fe
3+
 
,Sb
5+
 
)[(O,OH)
 
3
|SiO
 
4
]
9.AF.75Welinite
Mn
2+
6
(W
6+
 
,Mg)
 
2
[(O,OH)
 
3
|SiO
 
4
]
 
2
9.AF.80Ellenbergerite
Mg
 
6
Al
 
6
Ti[(OH)
 
6
|(HSiO
 
4
)
 
4
|(SiO
 
4
)
 
4
]
9.AF.85Chloritoid
(Fe
2+
 
,Mg,Mn
2+
 
)Al
 
2
[O|(OH)
 
2
|SiO
 
4
]
9.AF.85Magnesiochloritoid
MgAl
 
2
[O|(OH)
 
2
|SiO
 
4
]
9.AF.85Ottrélite
(Mn
2+
 
,Fe
2+
 
,Mg)Al
 
2
[O|(OH)
 
2
|SiO
 
4
]
9.AF.90Poldervaartite
CaCa[SiO
 
3
OH](OH)
9.AF.90Olmiite
CaMn
2+
 
[SiO
 
3
(OH)](OH)

Other Names for Hydroxylclinohumite

Synonyms:
IMA1998-065
Other Languages:
German:Hydroxylclinohumit
Hydroxylklinohumit
Russian:Гидроксилклиногумит
Spanish:Hydroxylclinohumita

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 Hydroxylclinohumite

Reference List: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.

Internet Links for Hydroxylclinohumite

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    Localities for Hydroxylclinohumite

    (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.
    Czech Republic
     
    • Moravia (Mähren; Maehren)
      • Vysočina Region
    		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.
    • Piedmont
      • Verbano-Cusio-Ossola 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.
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Polar Yakutia
          • Dogdo River Basin
            • Tas-Khayakhtakh Range
              • 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.
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Zlatoust
            • Kusinsk Fe-Ti-V-deposit
    		[AmMin 85:1843]
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 13th Nov 2009 11:46:58