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Chiolite

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Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Chiolite

Ivigtut Cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Formula:
Na5Al3F14
System:
Tetragonal
Colour:
Nearly colourless, ...
Lustre:
Vitreous, Pearly
Hardness:
3½ - 4
Name:
From the Greek χιώυ, snow, and λίθος, stone, in allusion to its appearance and similarity to cryolite (ice-stone).
This page provides mineralogical data about Chiolite.


Classification of Chiolite

IMA status:
Approved, 'Grandfathered' (first described prior to 1959)
Strunz 8th ed.:
3/C.03-20
Nickel-Strunz 10th (pending) ed.:
3.CE.05

3 : HALIDES
C : Complex halides
E : Phyllo-aluminofluorides
Dana 8th ed.:
11.6.11.1

11 : HALIDE COMPLEXES
6 : Aluminofluorides - Isolated Octahedra
Hey's CIM Ref.:
8.6.6

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
6 : Halides of Al

Physical Properties of Chiolite

Lustre:
Vitreous, Pearly
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Nearly colourless, snow-white
Hardness (Mohs):
3½ - 4
Cleavage:
Perfect
On {001}; on {011} distinct.
Density:
2.998 g/cm3 (Measured)    2.989 g/cm3 (Calculated)

Optical Data of Chiolite

Type:
Uniaxial (-)
RI values:
nω = 1.349 nε = 1.342
Max Birefringence:
δ = 0.007
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Chiolite

Formula:
Na5Al3F14
Elements listed in formula:
Al, F, Na - search for minerals with similar chemistry

Crystallography of Chiolite

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P4/mnc
Cell Parameters:
a = 7.01 Å, c = 10.4 Å
Ratio:
a:c = 1 : 1.484
Unit Cell Volume:
V 511.06 ų (Calculated from Unit Cell)
Morphology:
Crystals dipyramidal {011}. Distinct crystals small and rare. Massive, granular.
Twinning:
On {011}, distorted into prismatic shapes at times.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of Chiolite

Type Locality:
Pit No. 69 (G.I. Gasberg's Topaz-Cryolite Pit), Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
Geological Setting of Type Material:
Cryolite-bearing pegmatite.
Associated Minerals at Type Locality:
TopazThomsenolitePhenakiteFluoriteCryolithionite

Relationship of Chiolite to other Species

Related Minerals - Hey's Index Grouping:
8.6.1ZharchikhiteAl(OH)2F
8.6.2ChloraluminiteAlCl3 · 6H2O
8.6.3CadwaladeriteAlCl(OH)2 · 4H2O
8.6.4CryolithioniteNa3Al2(LiF4)3
8.6.5CryoliteNa3AlF6
8.6.7ElpasoliteK2NaAlF6
8.6.8WeberiteNa2MgAlF7
8.6.9Hydrokenoralstonite◻2Al2F6(H2O)
8.6.10KoeneniteNa4Mg9Al4Cl12(OH)22
8.6.11 Chlor-manasseiteMgxAl(OH)2x+2Cl · (x-0.8)H2O x about 1.75
8.6.12GearksutiteCaAlF4(OH) · H2O
8.6.13ProsopiteCaAl2(F,OH)8
8.6.14YaroslaviteCa3Al2F10(OH)2 · H2O
8.6.15CarlhintzeiteCa2AlF7 · H2O
8.6.16ColquiriiteCaLiAlF6
8.6.17ThomsenoliteNaCaAlF6 · H2O
8.6.18PachnoliteNaCaAlF6 · H2O
8.6.19Zirklerite(Fe,Mg)9Al4Cl18(OH)12 · 14H2O

Other Names for Chiolite

Synonyms:

Arksudite

Arksutite

Chodneffite

Chodnewite

Nipholith

Name in Other Languages:
Russian:Хиолит

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 Chiolite

Reference List:
von Wörth and Chodnev (1845-46) Verh. min. Ges.: 208 (as Chiolith).

Hermann and Auerbach (1846) Journal für praktische Chemie, Leipzig: 37: 188 (as Chiolith).

Rammelsberg (1848) Annalen der Physik, Halle, Leipzig: 74: 314.

Dana, J.D. (1850) System of Mineralogy, 3rd. Edition, New York: 234 (as Chodneffite).

Koksharov, N. von (1862) Materialien zur Mineralogie Russlands. 11 volumes with atlas: vol. 4: 389.

Naumann, C.F. (1864) Elemente der Mineralogie. Leipzig. 5th. edition: 219 (as Nipholith).

Hagemann (1866): On Some Minerals associated with the Cryolite in Greenalnd. American Journal of Science and Arts. 42, 93. (as Arksutite).

Dana, J.D. (1868) System of Mineralogy, 5th. Edition, New York. (aided by G.J. Brush): 128.

Groth (1883) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 7: 478.

Nordenskiöld, A. E. (1886) Mineralogiska bidrag. 10. Arksutit från Ivigtut i Grönland. Geologiska Föreningens i Stockholm Förhandlinger 8: 172-175

Bøggild (1912) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 51: 598.

Goldschmidt, V. (1913) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 2: 138.

Clausen (1936) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 95: 394.

Brosset (1938) Zeitschrift für anorganische und allgemeine Chemie, Hamburg, Leipzig: 238: 201.

Caglioti and Giacomello (1938) Naturwissenschaften: 26: 317.

Brosset (1943) Chemical Abstracts, Easton, PA: 37: 13.

Palache, C., Berman, H., & Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 123-124.

Journal of Solid State Chemistry: 36: 297-304.

Internet Links for Chiolite

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    • Localities for Chiolite

    This 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.
    Greenland
     
    • Sermersooq
      • Arsuk Fjord
        • Ivittuut (Ivigtut)
    		Nordenshiöld, A. E. (1886): Mineralogiska bidrag. 10. Arksutit från Ivigtut i Grönland. Geologiska Föreningens i Stockholm Förhandlinger 8: 172-175; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 112, 124; Petersen, O.V. and Secher, K. (1993): The minerals of Greenland. Mineralogical Record 24 (2): 1-65 (p.36)
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
    		Victor V. Sharygin analytycal data (2012); ;
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Ilmen Mts
            • Ilmen Natural Reserve
    		Polyakov, V.O. (1985): Alumofluorites of the Il’meny Mountains. In: Minerals from Deposits of the Central and Southern Urals (Sverdlovsk), 3-11.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Bailey, J. C: Formation of cryolite and other aluminofluorides: A petrologic review. Bull. geol. Soc. Denmark, vol. 29, pp. 1-45. Copenhagen, June 10th, 1980.
    Ukraine
     
    • Zhytomyr Oblast' (Zhitomir Oblast')
    		Bailey, J. C: Formation of cryolite and other aluminofluorides: A petrologic review. Bull. geol. Soc. Denmark, vol. 29, pp. 1-45. Copenhagen, June 10th, 1980.
    USA
     
    • Virginia
      • Amelia Co.
        • Winterham
    		[L.E. Kearns, 1995 - Mineralogical Record Vol 26 No.6 - "Alumino-Fluorides from the Morefield Pegmatite"]; Richards, R. P., Kearns, L. E., & Cook, W. R. (1998). Morphology of Chiolite twins from the Morefield mine, Amelia County, Virginia. Canadian mineralogist, 36, 1009-1016.
    Mineral and/or Locality  
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