Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Kvanefjeldite

Big Photo

Kvanefjeld tunnel, Kvanefjeld Uranium deposit, Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland
© Knut Eldjarn

Formula:
Na
 
4
(Ca,Mn)(Si
 
3
O
 
7
)
 
2
(OH)
 
2
System:OrthorhombicHardness:5½ - 6
This page provides mineralogical data about Kvanefjeldite.

Classification of Kvanefjeldite

IMA status:Approved
Strunz 8th edition ID:8/G.08-10
Nickel-Strunz 10th (pending) edition ID:9.DP.30

9 : SILICATES (Germanates)
D : Inosilicates
P : Transitional ino-phyllosilicate structures
Dana 8th edition ID:72.5.3.1

72 : PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
5 : Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with corrugated and complex layers
Hey's CIM Ref.:14.18.28

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
mindat.org URL:http://www.mindat.org/min-2302.html
Please feel free to link to this page.

Type Occurrence of Kvanefjeldite

Type Locality:Kvanefjeldite occurrence, Kvanefjeld tunnel, Kvanefjeld Uranium deposit, Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland
Year of Discovery:1984

Physical Properties of Kvanefjeldite

Hardness (Mohs):5½ - 6

Crystallography of Kvanefjeldite

Crystal System:Orthorhombic
Cell Parameters:a = 10.21Å, b = 15.87Å, c = 9.05Å
Ratio:a:b:c = 0.643 : 1 : 0.57
Unit Cell Volume:V 1,466.40 ų (Calculated from Unit Cell)

Optical Data of Kvanefjeldite

Type:Biaxial (+)
RI values: nα = 1.522 nβ = 1.522 nγ = 1.543
Maximum Birefringence:δ = 0.021

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:r < v distinct

Chemical Properties of Kvanefjeldite

Formula:
Na
 
4
(Ca,Mn)(Si
 
3
O
 
7
)
 
2
(OH)
 
2
Essential elements:Ca, H, Na, O, Si
All elements listed in formula:Ca, H, Mn, Na, O, Si
Common Impurities:Ti,Al,Y,Fe,Mg,K

Relationship of Kvanefjeldite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.DP.05Meliphanite
(Ca,Na)
 
2
(Be,Al)[Si
 
2
O
 
6
(OH,F)]
9.DP.15Leucosphenite
BaNa
 
4
Ti
 
2
B
 
2
Si
 
10
O
 
30
9.DP.20Prehnite
Ca
 
2
Al
 
2
Si
 
3
O
 
12
(OH)
9.DP.25Amstallite
CaAl(Si,Al)
 
4
O
 
8
(OH)
 
4
·(H
 
2
O,Cl)
9.DP.35Lemoynite
(Na,K)
 
2
CaZr
 
2
Si
 
10
O
 
26
·5H
 
2
O
9.DP.35Natrolemoynite
Na
 
4
Zr
 
2
Si
 
10
O
 
26
•
 
9
H
 
2
O
9.DP.40Altisite
Na
 
3
K
 
6
Ti
 
2
Al
 
2
Si
 
8
O
 
26
Cl
 
3
Related Minerals - Hey's Index Grouping:

- +
14.18.1Nambulite
(Li,Na)Mn
 
4
Si
 
5
O
 
14
(OH)
14.18.2Natronambulite
(Na,Li)(Mn,Ca)
 
4
Si
 
5
O
 
14
OH
14.18.3Zakharovite
Na
 
4
Mn
 
5
Si
 
10
O
 
24
(OH)
 
6
·6H
 
2
O
14.18.4Norrishite
KLiMn
2+
2
[(OH)
 
2
|Si
 
4
O
 
10
]
14.18.5Shafranovskite
(Na,K)
 
6
(Mn,Fe)
 
3
Si
 
9
O
 
24
·6H
 
2
O
14.18.6Abswurmbachite
CuMn
3+
6
O
 
8
(SiO
 
4
)
14.18.7Donpeacorite
(Mn
2+
 
,Mg)Mg[SiO
 
3
]
 
2
14.18.8Kanoite
Mn
2+
 
(Mg,Mn
2+
 
)[Si
 
2
O
 
6
]
14.18.9Caryopilite
(Mn,Mg)
 
3
Si
 
2
O
 
5
(OH)
 
4
14.18.10Gonyerite
(Mn,Mg)
 
5
Fe(Si
 
3
Fe)O
 
10
(OH)
 
8
14.18.11 Tirodite
14.18.12Manganhumite
(Mn
2+
 
,Mg)
 
7
[(OH)
 
2
|(SiO
 
4
)
 
3
]
14.18.13Bustamite
(Mn
2+
 
,Ca)[SiO
 
3
]
14.18.14Glaucochroite
CaMn
2+
 
[SiO
 
4
]
14.18.15Truscottite
(Ca,Mn)
 
14
Si
 
24
O
 
58
(OH)
 
8
·2H
 
2
O
14.18.16Santaclaraite
CaMn
 
4
[Si
 
5
O
 
14
OH](OH)·H
 
2
O
14.18.17Ferrobustamite
Ca(Fe
2+
 
,Ca,Mn
2+
 
)[Si
 
2
O
 
6
]
14.18.18Johannsenite
CaMn
2+
 
[Si
 
2
O
 
6
]
14.18.19Neltnerite
CaMn
3+
6
[O
 
8
|SiO
 
4
]
14.18.20Orlymanite
Ca
 
4
Mn
 
3
Si
 
8
O
 
20
(OH)
 
6
·2H
 
2
O
14.18.21Inesite
Ca
 
2
(Mn,Fe)
 
7
Si
 
10
O
 
28
(OH)
 
2
·5H
 
2
O
14.18.22Orientite
Ca
 
2
MnMn
 
2
Si
 
3
O
 
10
(OH)
 
4
14.18.23Ruizite
Ca
 
2
Mn
3+
2
[(OH)
 
2
|H
 
2
Si
 
4
O
 
13
] · 2H
 
2
O
14.18.24Bostwickite
CaMn
 
6
Si
 
3
O
 
16
·7H
 
2
O
14.18.25Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
·9H
 
2
O
14.18.26Lithiomarsturite
LiCa
 
2
Mn
 
2
Si
 
5
O
 
14
(OH)
14.18.27Sérandite
Na(Mn
2+
 
,Ca)
 
2
[HSi
 
3
O
 
9
]
14.18.29Marsturite
NaCaMn
 
3
Si
 
5
O
 
14
(OH)
14.18.30Raite
Na
 
4
Mn
2+
3
Ti
 
0.25
Si
 
8
O
 
20
(OH)
 
2
·10H
 
2
O
14.18.31Richterite
Na[CaNa][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
14.18.32Byelorussite-(Ce)
Ba
 
2
NaCe
 
2
MnTi
 
2
Si
 
8
O
 
26
(F,OH) · H
 
2
O
14.18.33Deerite
(Fe,Mn)
 
6
(Fe,Al)
 
3
Si
 
6
O
 
20
(OH)
 
5
14.18.34Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
[SiO
 
4
]
 
3
14.18.35Pyroxmangite
MnSiO
 
3
14.18.36Dannemorite
14.18.37Neotocite
(Mn,Fe,Mg)SiO
 
3
·H
 
2
O
14.18.38Babingtonite
Ca
 
2
(Fe,Mn)FeSi
 
5
O
 
14
(OH)
14.18.39Manganbabingtonite
Ca
 
2
(Mn,Fe)FeSi
 
5
O
 
14
(OH)
14.18.40Örebroite
Mn
2+
3
(Fe
3+
 
,Sb
5+
 
)[(O,OH)
 
3
|SiO
 
4
]

Other Names for Kvanefjeldite

Synonyms:
IMA1982-079
Other Languages:
German:Kvanefjeldit
Spanish:Kvanefjeldita

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 Kvanefjeldite

Reference List:Neues Jahrbuch für Mineralogie, Monatshefte (1983): 505-512.

Canadian Mineralogist (1984): 22: 465-467.

American Mineralogist (1985): 70: 73.

Internet Links for Kvanefjeldite

Search Engines:
  • Look for Kvanefjeldite on Google
  • Look for Kvanefjeldite images on Google
    • External Links:
  • Look for Kvanefjeldite on Webmineral
  • Look for Kvanefjeldite on Athena Mineralogy
  • Look for Kvanefjeldite on Wikipedia
  • Look for Kvanefjeldite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Kvanefjeldite in the Natural History Museum (London) online catalogue
  • Kvanefjeldite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • High-end worldwide specimens & outstanding customer service
  • Fine Minerals from Dan Weinrich Minerals
  • Search for - Kvanefjeldite - on e-Rocks Mineral Sales & Auctions
  • rare and unusual minerals mainly crystallized
  • Lapis Mineral Magazin
  • Top quality minerals from Kristalle of California
  • Buy Fine Minerals from mineralsweb.com
  • Buy Minerals and Crystals from Crystalarium.com
  • SpiriferMinerals.com - high quality specimens
  • Edwards Minerals - Fine Specimens
  • Buy fine minerals and gemstones from Pala International
  • Find Kvanefjeldite on www.crystalclassics.co.uk
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Kvanefjeldite

    (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.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Ilimaussaq complex
          • Kuannersuit (Kvanefjeld) plateau
            • Kvanefjeld Uranium deposit
              • Kvanefjeld tunnel
    		Peterson, O., Johnson, O. Leonardsen, E., Roensbo, J. (1984): Kvanefjeldite a new mineral species from the Ilimaussaq alkaline complex, South West Greenland, Canadian Mineralogist, Vol. 22, 465-467
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    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: 7th Nov 2009 12:54:07