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Dzhuluite

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Formula:
Ca3SbSnFe3+3O12
Colour:
Light-yellow to dark-brown
Lustre:
Vitreous
Specific Gravity:
4.708 (Calculated)
Crystal System:
Isometric
Name:
First named Bitikleite-(SnFe), but according to the new nomenclature of the garnet supergroup (Grew et al. 2013) suffixes should not be used in naming minerals in the garnet supergroup. The name was changed to dzhuluite, after the Dzhulu
Mountain near the type locality.
An antimony garnet of the bitikleite-group. Fourth Sb-dominant garnet after bitikleite, usturite and monteneveite. A Sn-Fe3+3-analogue of the latter.

A product of high temperature fluorine metasomatism during a retrograde stage of primary rock alteration in the larnite subfacies (sanidinite facies).


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Classification of DzhuluiteHide

Approved
Approval Year:
2011

Physical Properties of DzhuluiteHide

Vitreous
Comment:
Strongly vitreous
Colour:
Light-yellow to dark-brown
Streak:
Creamy
Density:
4.708 g/cm3 (Calculated)
Comment:
Calculated density ranges from 4.708 to 4.750 g/cm3.

Chemical Properties of DzhuluiteHide

Formula:
Ca3SbSnFe3+3O12
IMA Formula:
Ca3(SbSn)(Fe3+O4)3

Crystallography of DzhuluiteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Ia3d
Setting:
I41/a 3 2/d
Cell Parameters:
a = 12.536(3) Å
Unit Cell V:
1,970.05 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.432 (87)
3.134 (84)
2.803 (47)
2.559 (95)
1.982 (27)
1.675 (100)
1.402 (35)
1.336 (29)

Type Occurrence of DzhuluiteHide

General Appearance of Type Material:
poikilitic crystals <50 μm in size
Place of Conservation of Type Material:
Fersman Mineralogical Museum of the Russian Academy of Sciences, catalogue no. 4025/1.
Geological Setting of Type Material:
in a kumtyubeite zone in close proximity to the contact with unaltered ignimbrite in a skarn xenolith
Associated Minerals at Type Locality:

Synonyms of DzhuluiteHide

Relationship of Dzhuluite to other SpeciesHide

Other Members of this group:
BitikleiteCa3SbSn(AlO4)3Iso. m3m (4/m 3 2/m) : Ia3d
ElbrusiteCa3(Zr1.5U6+0.5)Fe3+3O12Iso. m3m (4/m 3 2/m) : Ia3d
UsturiteCa3SbZr(Fe3+O4)3Iso. m3m (4/m 3 2/m) : Ia3d

Other InformationHide

Notes:
Raman spectrum similar to that of kimzeyite, kerimasite and other bitikleite-group minerals
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 DzhuluiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Galuskina, I.O., Galuskin, E.V., Kusz, J., Dzierz'anowski, P., Prusik, K., Gazeev, V.M., Pertsev, N.N., Dubrovinsky, L. (2011) Bitikleite-(SnFe), IMA 2010-064. CNMNC Newsletter 8, 290; Mineralogical Magazine: 75: 289-294.
Grew, E.S., Locock, A.J, Mills, S.J., Galuskina, I.O., Galuskin, E.V., Hålenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist: 98(4): 785-811.
Galuskina, I.O., Galuskin, E.V., Kusz, J., Dzierżanowski, P.,Prusik, K., Gazeev, V.M., Pertsev, N.N., Dubrovinsky, L. (2013) Dzhuluite, Ca3SbSnFe3+3O12, a new bitikleite-group garnet from the Upper Chegem Caldera, Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy: 25: 231-239.

Internet Links for DzhuluiteHide

Localities for DzhuluiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Kabardino-Balkaria
    • Baksan Valley
      • Upper Chegem volcanic caldera (Verkhnechegemskaya caldera)
        • Lakargi Mt.
Galuskina, I. O., Galuskin, E. V., Kusz, J., Dzierżanowski, P., Prusik, K., Gazeev, V. M., ... & Dubrovinsky, L. (2013). Dzhuluite, Ca3SbSnFe3+ 3O12, a new bitikleite-group garnet from the Upper Chegem Caldera, Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy, 25(2), 231-239
Mineral and/or Locality  
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