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Hydroxycancrinite

Big Photo

Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Thomas Witzke

Formula:
Na
 
8
[(OH)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
System:HexagonalColour:Light blue to colourless
Hardness:6
Name:In allusion to its composition, being the HYDROXYl-dominant end member of the series with Cancrinite.


Cancrinite Group. The hydroxyl analogue of Cancrinite and Vishnevite.

Classification of Hydroxycancrinite

IMA status:Approved 1990
Strunz 8th edition ID:8/J.09-05
Nickel-Strunz 10th (pending) edition ID:9.FB.05

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
Dana 8th edition ID:76.2.5.8

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
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Type Occurrence of Hydroxycancrinite

Type Locality:Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1992

Physical Properties of Hydroxycancrinite

Colour:Light blue to colourless
Streak:White
Hardness (Mohs):6
Cleavage:Perfect

Crystallography of Hydroxycancrinite

Crystal System:Hexagonal
Cell Parameters:a = 12.74Å, c = 5.18Å
Ratio:a:c = 1 : 0.407
Unit Cell Volume:V 728.11 ų (Calculated from Unit Cell)

Optical Data of Hydroxycancrinite

Type:Uniaxial (-)
RI values: nω = 1.501 nε = 1.494
Maximum Birefringence:δ = 0.007

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

Chemical Properties of Hydroxycancrinite

Formula:
Na
 
8
[(OH)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
Essential elements:Al, H, Na, O, Si
All elements listed in formula:Al, H, Na, O, Si
Common Impurities:K,Ca,Mg,Mn,Fe,C

Relationship of Hydroxycancrinite to other Species

Related to:
  • Cancrinite Group
    • Related Minerals - Nickel-Strunz Grouping):
    9.FB.05Afghanite
    (Na,Ca,K)
     
    8
    		[(Cl
     
    2
    		,SO
     
    4
    		,CO
     
    3
    		)
     
    3
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 0.5H
     
    2
    		O
    9.FB.05Bystrite
    (Na,K)
     
    7
    		Ca[(S
     
    3
    		)
     
    1.5
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · H
     
    2
    		O
    9.FB.05Cancrinite
    Na
     
    6
    		Ca
     
    2
    		[(CO
     
    3
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    9.FB.05Cancrisilite
    Na
     
    7
    		[CO
     
    3
    		|Al
     
    5
    		Si
     
    7
    		O
     
    24
    		] · 3H
     
    2
    		O
    9.FB.05Davyne
    (Na,K)
     
    6
    		Ca
     
    2
    		[(Cl
     
    2
    		,SO
     
    4
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		SO
     
    24
    		]
    9.FB.05Franzinite
    (Na,K)
     
    6
    		Ca
     
    2
    		[(SO
     
    4
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 0.5H
     
    2
    		O
    9.FB.05Giuseppettite
    (Na,K,Ca)
     
    7-8
    		[(SO
     
    4
    		,Cl)
     
    1-2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.05Liottite
    (Na,K)
     
    16
    		Ca
     
    8
    		[Cl
     
    4
    		|(SO
     
    4
    		)
     
    5
    		|(Al
     
    6
    		Si
     
    6
    		O
     
    24
    		)
     
    3
    		]
    9.FB.05Microsommite
    Na
     
    4
    		K
     
    2
    		Ca
     
    2
    		[Cl
     
    2
    		|SO
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.05Pitiglianoite
    Na
     
    6
    		K
     
    2
    		[SO
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    9.FB.05Quadridavyne
    (Na,K)
     
    6
    		Ca
     
    2
    		[Cl
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.05Sacrofanite
    (Na,Ca,K)
     
    9
    		[{(OH)
     
    2
    		,SO
     
    4
    		,CO
     
    3
    		,Cl
     
    2
    		}
     
    3
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 0.5H
     
    2
    		O
    9.FB.05Tounkite
    (Na,Ca,K)
     
    8
    		[Cl|(SO
     
    4
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · H
     
    2
    		O
    9.FB.05Vishnevite
    (Na,K)
     
    8
    		[(SO
     
    4
    		,CO
     
    3
    		)|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    9.FB.05Marinellite
    (Na,K)
     
    42
    		Ca
     
    6
    		[Cl
     
    2
    		|(SO
     
    4
    		)
     
    8
    		|(Al
     
    6
    		Si
     
    6
    		O
     
    24
    		)
     
    6
    		] · 3 H
     
    2
    		O
    9.FB.05Farneseite
    (Na,Ca,K)
     
    56
    		[(SO
     
    4
    		)
     
    12
    		|Al
     
    42
    		Si
     
    42
    		O
     
    168
    		] · 6H
     
    2
    		O
    9.FB.05Alloriite
    (Na,Ca,K)
     
    26
    		Ca
     
    4
    		[Cl
     
    6
    		|(SO
     
    4
    		)
     
    6
    		|(Al
     
    6
    		Si
     
    6
    		O
     
    24
    		)
     
    4
    		]
    9.FB.05IMA2008-006
    [Na
     
    82.5
    		Ca
     
    33
    		K
     
    16.5
    		]
     
    132
    		(Si
     
    99
    		Al
     
    99
    		O
     
    396
    		)(SO
     
    4
    		)
     
    33
    		·4H
     
    2
    		O
    9.FB.10Bicchulite
    Ca
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		SiO
     
    6
    		]
    9.FB.10Danalite
    Fe
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    9.FB.10Genthelvite
    Zn
     
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    9.FB.10Haüyne
    (Na,Ca)
     
    4-8
    		[Al
     
    6
    		Si
     
    6
    		(O,S)
     
    24
    		](SO
     
    4
    		,Cl)
     
    1-2
    9.FB.10Helvite
    Mn
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    9.FB.10Kamaishilite
    Ca
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		SiO
     
    6
    		]
    9.FB.10Lazurite
    (Na,Ca)
     
    8
    		[(S,SO
     
    4
    		,Cl
     
    2
    		)|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.10Nosean
    Na
     
    8
    		[SO
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.10Sodalite
    Na
     
    8
    		[Cl
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.10Tsaregorodtsevite
    N(CH
     
    3
    		)
     
    4
    		[AlSi
     
    5
    		O
     
    12
    		]
    9.FB.10Tugtupite
    Na
     
    4
    		[Cl|BeAlSi
     
    4
    		O
     
    12
    		]
    9.FB.10Helvine
    9.FB.15Marialite
    Na
     
    4
    		[Cl|(AlSi
     
    3
    		O
     
    8
    		)
     
    3
    		]
    9.FB.15Meionite
    Ca
     
    4
    		[CO
     
    3
    		|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]
    9.FB.15Silvialite
    (Ca,Na)
     
    4
    		[(SO
     
    4
    		,CO
     
    3
    		)|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]

    Other Names for Hydroxycancrinite

    Synonyms:
    IMA1990-014
    German names:
    Hydroxycancrinit
    Russian names:
    Гидроксиканкринит
    Spanish names:
    Hydroxycancrinita

    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 Hydroxycancrinite

    Reference List:American Mineralogist (1993): 78: 1314.

    New Minerals (1997), New Minerals 1990-1994.

    Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 121(1): 100-105.

    Internet Links for Hydroxycancrinite

    Search Engines:
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  • Look for Hydroxycancrinite on Athena Mineralogy
  • Look for Hydroxycancrinite on Wikipedia
  • Look for Hydroxycancrinite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Hydroxycancrinite in the Natural History Museum (London) online catalogue
  • Hydroxycancrinite details from Handbook of Mineralogy (PDF)
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    Localities for Hydroxycancrinite

    (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.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Lovozero Massif
    Mineral and/or Locality
    Google
     
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