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Ariegilatite

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About AriegilatiteHide

Arie L. Gilat
Formula:
BaCa12(SiO4)4(PO4)2F2O
PO4 may be substituted by minor CO3, coupled with a Na-for-Ca substitution.
Colour:
Colourless
Lustre:
Vitreous
Crystal System:
Trigonal
Name:
Named in honor of Arie Lev Gilat (b. 1939, Moscow, USSR), geologist with the Geological Survey of Israel, Jerusalem.
A member of the nabimusaite group exhibiting a modular intercalated antiperovskite structure derived from hatrurite.
The P analogue of dargaite. Chemically similar to zadovite.
Ariegilatite at the TL, is overgrown and partially replaced by stracherite.


Classification of AriegilatiteHide

Approved
Approval Year:
2016
First Published:
2018

Physical Properties of AriegilatiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless
Streak:
White

Optical Data of AriegilatiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.650() nε = 1.647(2)
Max Birefringence:
δ = 0.003
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of AriegilatiteHide

Formula:
BaCa12(SiO4)4(PO4)2F2O

PO4 may be substituted by minor CO3, coupled with a Na-for-Ca substitution.

Crystallography of AriegilatiteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 7.1551(6) Å, c = 41.303(3) Å
Ratio:
a:c = 1 : 5.773
Unit Cell V:
1831.2 ų
Z:
3
Morphology:
Flat disc-shaped crystals up to 0.5 mm in size.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.578(51)
3.437(45)
3.090(100)
2.822(82)
2.754(62)
2.743(51)
1.983(47)
1.789(92)
Comments:
From Type Description.

Type Occurrence of AriegilatiteHide

General Appearance of Type Material:
In an altered spurrite marble as flat disc-shaped crystals up to 0.5 mm in size.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Leninskiy pr., 18/к2, 115162 Moscow, Russia, catalogue numbers 4956/1
Empirical Formula of Type Material:
(Ba0.98K0.01Na0.011(Ca11.77Na0.08Fe2+0.06Mn2+0.05Mg0.0412(Si3.95Al0.03Ti0.024(P1.70C0.16Si0.10S6+0.03V0.012F2.04O0.96
Geological Setting of Type Material:
In outcrops of pyrometamorphic rocks of the Hatrurim Complex
Associated Minerals at Type Locality:
Reference:
Galuskin, E.V., Krüger, B., Galuskina, I.O., Krüger, H., Vapnik, Y., Wojdyla, J.A., Murashko, M. (2018): New Mineral with Modular Structure Derived from Hatrurite from the Pyrometamorphic Rocks of the Hatrurim Complex: Ariegilatite, BaCa12(SiO4)4(PO4)2F2O, from Negev Desert, Israel. Minerals: 8: 109

Synonyms of AriegilatiteHide

Relationship of Ariegilatite to other SpeciesHide

Other Members of this group:
AraditeBaCa6[(SiO4)(VO4)](VO4)2FTrig. 3m : R3m
DargaiteBaCa12(SiO4)4(SO4)2O3Trig. 3m : R3m
NabimusaiteKCa12(SiO4)4(SO4)2O2FTrig. 3m (3 2/m)
StracheriteBaCa6(SiO4)2[(PO4)(CO3)]2FTrig. 3m (3 2/m) : R3m
ZadoviteBaCa6[(SiO4)(PO4)](PO4)2FTrig. 3m : R3m

Other InformationHide

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 AriegilatiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Galuskin, E.V., Krüger, B., Galuskina, I.O., Krüger, H., Vapnik, Y., Wojdyla, J.A. and Murashko, M. (2017) Ariegilatite, IMA 2016-100. CNMNC Newsletter No. 36, April 2017, page 405; Mineralogical Magazine: 81: 403–409.
Galuskin, E.V., Krüger, B., Galuskina, I.O., Krüger, H., Vapnik, Y., Wojdyla, J.A., Murashko, M. (2018): New Mineral with Modular Structure Derived from Hatrurite from the Pyrometamorphic Rocks of the Hatrurim Complex: Ariegilatite, BaCa12(SiO4)4(PO4)2F2O, from Negev Desert, Israel. Minerals: 8: 109; doi:10.3390/min8030109.

Internet Links for AriegilatiteHide

Localities for AriegilatiteHide

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.
Israel (TL)
 
  • Negev
Galuskin, E.V., Krüger, B., Galuskina, I.O., Krüger, H., Vapnik, Y., Wojdyla, J.A. and Murashko, M. (2017) Ariegilatite, IMA 2016-100. CNMNC Newsletter No. 36, April 2017, page 405; Mineralogical Magazine, 81, 403–409; Galuskin, E.V., Krüger, B., Galuskina, I.O., Krüger, H., Vapnik, Y., Wojdyla, J.A., Murashko, M. (2018): New Mineral with Modular Structure Derived from Hatrurite from the Pyrometamorphic Rocks of the Hatrurim Complex: Ariegilatite, BaCa12(SiO4)4(PO4)2F2O, from Negev Desert, Israel. Minerals: 8: 109
Mineral and/or Locality  
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