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Ivanyukite-Na-C

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Formula:
Na2Ti4(SiO4)3(OH)2O2 · 6H2O
System:
Isometric
Colour:
Pale orange
Hardness:
4
Name:
Named in honor of Gregory Yur’evich Ivanyuk, Russian mineralogist and petrologist, head of the Laboratory of Self-Organized Mineral Systems in the Geological Institute of the Kola Science Centre of the Russian Academy of Sciences
A polytype of Ivanyukite-Na

Classification of Ivanyukite-Na-C

Approved 2007
mindat.org URL:
http://www.mindat.org/min-39653.html
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First Recorded Occurrence of Ivanyukite-Na-C

Geological Setting of First Recorded Material:
Ivanyukite-Na-T is a low-temperature hydrothermal mineral crystallized from supersaturated Na-rich aqueous solutions

Physical Properties of Ivanyukite-Na-C

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Pale orange
Streak:
White
Hardness (Mohs):
4
Cleavage:
Perfect
{100}
Density:
2.6 g/cm3 (Measured)    2.39 g/cm3 (Calculated)

Crystallography of Ivanyukite-Na-C

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
P4 3m
Cell Parameters:
a = 7.856(6) Å
Unit Cell Volume:
V 484.85 ų (Calculated from Unit Cell)
Z:
1

Optical Data of Ivanyukite-Na-C

Type:
Isotropic
RI values:
n = 1.73(1)
Max Birefringence:
δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:
High

Chemical Properties of Ivanyukite-Na-C

Formula:
Na2Ti4(SiO4)3(OH)2O2 · 6H2O
Essential elements:
All elements listed in formula:

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 Ivanyukite-Na-C

Reference List:
Victor N. Yakovenchuk, Alexander P. Nikolaev, Ekaterina A. Selivanova, Yakov A. Pakhomovsky, Julia A. Korchak, Dar’ya V. Spiridonova, Oleg A. Zalkind, and Sergey V. Krivovichev (2009): Ivanyukite-Na-T, ivanyukite-Na-C, ivanyukite-K, and ivanyukite-Cu: New microporous titanosilicates from the Khibiny massif (Kola Peninsula, Russia) and crystal structure of ivanyukite-Na-T. American Mineralogist, 94, 1450–1458.

Internet Links for Ivanyukite-Na-C

Localities for Ivanyukite-Na-C

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 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
 
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Khibiny Massif
          • Koashva Mt
American Mineralogist, Volume 94, pages 1450–1458, 2009
Mineral and/or Locality  
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