Mindat Logo

Ussingite

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



Formula:
Na
 
2
AlSi
 
3
O
 
8
OH
System:TriclinicColour:Pale to medium violet, ...
Hardness:6 - 7
Name:
Named after Niels Viggo Ussing (July 14, 1864-July 23, 1911), Professor of Mineralogy, University of Copenhagen, Denmark.
This page provides mineralogical data about Ussingite.

Classification of Ussingite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/J.14-10
Nickel-Strunz 10th (pending) edition ID:9.EH.20

9 : SILICATES (Germanates)
E : Phyllosilicates
H : Transitional structures between phyllosilicate and other silicate units
Dana 8th edition ID:76.3.3.1

76 : TECTOSILICATES Al-Si Framework
3 : Al-Si Framework with other Be/Al/Si frameworks
Hey's CIM Ref.:16.2.3

16 : Silicates Containing Aluminum and other Metals
2 : Aluminosilicates of Na
mindat.org URL:http://www.mindat.org/min-4122.html
Please feel free to link to this page.

Type Occurrence of Ussingite

Type Locality:Kangerluarsuk Fjord (Kangerdluarssuq), Ilímaussaq complex, Narsaq, Kujalleq, Greenland
Year of Discovery:1914
Geological Setting of type material:Syenite pegmatite, also sodalite-bearing xenoliths

Physical Properties of Ussingite

Lustre:Sub-Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:Pale to medium violet, reddish violet; sometimes barely tinted purple
Streak:white
Hardness (Mohs):6 - 7
Tenacity:Brittle
Fracture:Irregular/Uneven
Density (measured):2.48 g/cm3
Density (calculated):2.51 g/cm3

Crystallography of Ussingite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 7.256Å, b = 7.686Å, c = 8.683Å
α = 90.75°, β = 99.75°, γ = 122.48°
Ratio:a:b:c = 0.944 : 1 : 1.13
Unit Cell Volume:V 399.44 ų (Calculated from Unit Cell)
Z:2
Morphology:Crystals uncommon; blocky to tabular with dominant pinacoidal forms {100}, {010}, and {001}
Twinning:{010}
X-Ray Powder Diffraction:
d-spacingIntensity
6.88 (70)
6.35 (90)
4.92 (70)
4.18 (70)
3.84 (70)
3.47 (70)
2.95 (100)
2.69 (100)
Comments:14-426

Optical Data of Ussingite

Type:Biaxial (+)
RI values: nα = 1.504 nβ = 1.509 nγ = 1.545
2V:Measured: 32° to 39°, Calculated: 42°
Birefringence:0.041
Maximum Birefringence:δ = 0.041

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none
Optical Extinction:Z angle b = 3˚

Chemical Properties of Ussingite

Formula:
Na
 
2
AlSi
 
3
O
 
8
OH
Simplified for copy/paste:Na2AlSi3O8OH
Essential elements:Al, H, Na, O, Si
All elements listed in formula:Al, H, Na, O, Si
Common Impurities:Ca,K,Cl,H2O,S

Relationship of Ussingite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.EH.05Manganoneptunite
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
Ti
 
2
[Si
 
8
O
 
24
]
9.EH.05Neptunite
Na
 
2
KLi(Fe
2+
 
,Mn
2+
 
)
 
2
Ti
 
2
(Si
 
8
O
 
24
)
9.EH.05Watatsumiite
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
V
4+
2
[Si
 
8
O
 
24
]
9.EH.05Magnesioneptunite
KNa
 
2
Li(Mg,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
9.EH.10Grumantite
Na(HSi
 
2
O
 
5
) · H
 
2
O
9.EH.15Sarcolite
Na
 
2
Ca
 
12
(Ca,K,Fe,Sr,Mg)
 
2
Al
 
8
Si
 
12
(P,Si)O
 
52
F
 
2
9.EH.25Leifite
(Na,H
 
2
O)Na
 
6
[Be
 
2
Al
 
2
(Al,Si)Si
 
15
O
 
39
]F
 
2
9.EH.25Telyushenkoite
(Cs,Na,K)Na
 
6
[F
 
2
|Be
 
2
Al
 
3
Si
 
15
O
 
39
]
9.EH.25Eirikite
KNa
 
6
Be
 
2
(Si
 
15
Al
 
3
)O
 
39
F
 
2
9.EH.30Nafertisite
Na
 
3
(Fe
2+
 
,Fe
3+
 
)
 
6
(Ti
 
2
Si
 
12
O
 
34
)(O,OH)
 
7
· 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
16.2.1Albite
NaAlSi
 
3
O
 
8
16.2.2Analcime
Na
 
2
(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
16.2.4Paragonite
NaAl
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
16.2.5Natrolite
Na
 
2
Al
 
2
Si
 
3
O
 
10
· 2H
 
2
O
16.2.6Tetranatrolite
16.2.7Paranatrolite
Na
 
2
Al
 
2
Si
 
3
O
 
10
· 3H
 
2
O
16.2.8Ephesite
LiNaAl
 
2
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
16.2.9Rectorite
(Na,Ca)Al
 
4
((Si,Al)
 
8
O
 
20
)(OH)
 
4
· 2H
 
2
O
16.2.10Jadeite
Na(Al,Fe
3+
 
)Si
 
2
O
 
6
16.2.11Brammallite
(Na,H
 
3
O)(Al,Mg,Fe)
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2

Other Names for Ussingite

Other Languages:
German:Ussingit
Russian:Уссингит
Simplified Chinese:紫脆石
紫脆云母
Spanish:Ussingita
Traditional Chinese:紫脆石
紫脆雲母

Other Information

Fluorescence in UV light:Not fluorescent
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 Ussingite

Reference List:

- +
Meddelelser om Grønland (1914): 51: 105.

Zeitschrift für Kristallographie (1915): 54: 120.

American Mineralogist (1974): 59: 335-340.

Mineralogical Record (1990): 21: 284.

Johnson, E.A. and Rossman, G.R. (2004) An infrared and 1H MAS NMR investigation of strong hydrogen bonding in ussingite, Na2Ali3O8(OH). Physics and Chemistr of Minerals: 31: 115-121.

Internet Links for Ussingite

Search Engines:
  • Look for Ussingite on Google
  • Look for Ussingite images on Google
  • External Links:
  • Look for Ussingite on Webmineral
  • Look for Ussingite on Athena Mineralogy
  • Look for Ussingite on Wikipedia
  • Look for Ussingite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Ussingite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy minerals from YourMineralCollection
  • rare and unusual minerals mainly crystallized
  • Rare and Unusual minerals at Mineralogical Research Company
  • Search for Ussingite on Well-Arranged Molecules
  • Fine Minerals from Weinrich Minerals, Inc.
  • SpiriferMinerals.com - high quality low prices
  • The Arkenstone - Fine Minerals
  • Wilensky Fine Minerals
  • Find Ussingite on www.crystalclassics.co.uk
  • Buy RARE Minerals from Rocks of Africa
  • Fine minerals from bisbeeborn.com
  • Buy from McDougall Minerals
  • Localities for Ussingite

    The 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. ? 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.
    Canada
     
    • Newfoundland and Labrador
      • Labrador
        • Seal Lake alkaline complex (Letitia Lake)
    GSC locality database; GSC database locality No. 4100
    • Québec
      • Montérégie
        • La Vallée-du-Richelieu RCM
          • Mont Saint-Hilaire
    [MinRec 21:343-344]; Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
        • Lajemmerais RCM
          • Varennes & St-Amable
            • Saint-Amable sill
    HORVÁTH, L. (2010) The minerals of the Saint-Amable sill: an update. MICRONEWS 44(4), 23-28.
    Greenland
     
    • Kujalleq
      • Narsaq
    Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
    Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Bd. 149. Nr. 3. 445 pages. (p.396)
    Sørensen, H., Larsen, L.M. (2001): The hyper-agpaitic stage in the evolution of the Ilimaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 83-94
    Karup-Moeller, S. (1976): Gmelinite and Herschelite from the Ilimaussaq Intrusion in South Greenland, Mineralogical Magazine, Vol. 40, 867-873
              • Lilleelv
    Pavel Karthasov photo, (photo-203416)
    Karup-Moeller, S., Makovicky, E. (1974): Skinnerite, a new Sulfosalt from the Ilimaussaq Alkaline Intrusion, South Greenland, American Mineralogist, Vol. 59, 889-895; Karup-Møller, S., Makovicky, E. (1974): Skinnerite, a new Sulfosalt from the Ilimaussaq Alkaline Intrusion, South Greenland. American Mineralogist. 59, 889-895
          • Kuannersuit Plateau (Kvanefjeld)
    Cole, M. (2003): Fluorescent Minerals of the Ilimaussaq Complex, Greenland, MinerShop 2003
            • Kvanefjeld Uranium deposit
    Pekov,I.V. & Ekimenkova, I.A. (2001): Two new rare-earth-rich mineral associations in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin 190, 143-144
          • Taseq area
    Karup-Moeller, S., Makovicky E. (2001): Thalcusite from Nakkaalaaq, the Ilimaussaq alkaline complex, South Greenland, South Greenland, Geology of Greenland Survey Bulletin, 190, 127-130; Medd. Grönland, 181(7),3{7. (2) (1969); Amer. Mineral., 54, 992{993 (abs. ref. 1)
    Semenov, E.I., Kazakova, M.E., Bukin, V.J. (1968): Ilimaussite, a new rare earth – niobium – barium silicate, from Ilimaussaq, South Greenland, Medd. Groenland, Vol. 181 (7), 3-7
    - Karup-Moeller, S., Makovicky E. (2001): Thalcusite from Nakkaalaaq, the Ilimaussaq alkaline complex, South Greenland, South Greenland, Geology of Greenland Survey Bulletin, 190, 127-130; Cole, M. (2003): Fluorescent Minerals of the Ilimaussaq Complex, Greenland, MinerShop 2003
          • Tunulliarfik Fjord (Tunugdliarfik)
            • Tugtup Agtakôrfia (Tuttup Attakoorfia)
    Andersen, E.K., Danø, M., and Peteresen, O.V. (1969): A tetragonal natrolite. Contribution to the mineralogy of Ilímaussaq, No 13. Meddelelser om Grønland, 181, (10), 1-19
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
    P Haas collection
          • Lovozero Massif
    Pekov, I. et al (2003): New Data on Minerals: 38: 20-33. ; Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
              • Umbozero mine (Umbozerskii mine)
    Lapis, 4/97, Ivanjuk et al.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pavel M. Kartashov data
    Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 130, issue 2, 53-58
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
              • Second Eastern Stream
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    American Mineralogist: 90: 1467-1468.; ZVMO 136(4),63-71(2007)
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
    Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775.
    Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775.
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: June 25, 2014 22:08:22
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds