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LiTi2(HSi4O12)(OH)2 · H2O

Classification of Punkaruaivite

Approved 2008

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals URL:
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Type Occurrence of Punkaruaivite

Crystallography of Punkaruaivite

Crystal System:
Class (H-M):
m - Domatic
Space Group:
Cell Parameters:
a = 26.68Å, b = 8.75Å, c = 5.24Å
β = 91.2°
a:b:c = 3.049 : 1 : 0.599
Unit Cell Volume:
V 1,223.01 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
13.3 (100)
6.23 (80)
4.38 (60)
4.16 (40)
3.50 (80)
3.01 (70)
2.81 (70)
2.70 (40)

Chemical Properties of Punkaruaivite

LiTi2(HSi4O12)(OH)2 · H2O
All elements listed in formula:

Relationship of Punkaruaivite to other Species

9.DB.15LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2O
9.DB.17EliseeviteLiNa1.5Ti2(H1.5Si4O12)O2 · 2H2O
9.DB.20KukisvumiteNa6ZnTi4(Si8O24)O4 · 4H2O
9.DB.20ManganokukisvumiteNa6MnTi4(Si8O24)O4 · 4H2O
9.DB.25VinogradoviteNa4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3
9.DB.25ParavinogradoviteNa1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2O
9.DB.30NchwaningiteMn22+(SiO3)(OH)2 · H2O
9.DB.35PlancheiteCu8(Si8O22)(OH)4 · H2O
9.DB.40UM2005-31-SiO:CuHCu11(SiO4)(OH)18 · 9H2O ?

Other Names for Punkaruaivite

Name in Other Languages:

Other Information

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 Punkaruaivite

Reference List:
U. Kolitsch, D. Yu. Pushcharovsky, I. V. Pekov and E. Tillmanns (2000): A new, lintisite-related titanosilicate mineral from Russia: crystal structure, occurrence and properties. Poster, XIXth European Crystallographic Meeting (ECM 19), Nancy, August 25-31, 2000; abstract in Abstracts Book, 363 and Acta Crystallogr. A56 (Supplement), s363.

Yakovenchik, V.N., Ivaniuk, G.Yu., Pakhomovsky, Ya.A., Selivanova, E.A., Men'shikov, Yu.P., Korchak, J.A., Krivovichev, S.V., Spiridonova, D.V., Zalkind, O.A. (2010): Punkaruaivite, Li{Ti2(OH)2[Si4O11(OH)]}•H2O, a new mineral species from hydrothermalites of Khibiny and Lovozero alkaline massifs (Kola Peninsula, Russia). Canadian Mineralogist, 48, 41-50.

Internet Links for Punkaruaivite

Localities for Punkaruaivite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Lovozero Massif
IMA website - Proposals approved in July 2008
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