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Aiolosite

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About AiolositeHide

Aeolus
Formula:
Na4Bi(SO4)3Cl
Crystal-chemical formula: Na2(Na2Bi)(SO4)3Cl
Colour:
Colourless to white
Lustre:
Vitreous
Specific Gravity:
3.589 (Calculated)
Crystal System:
Hexagonal
Name:
After Aiolos, the Greek name of the mythological god of winds from whom the windy Aeolian Archipelago takes its name.
Apatite-type structure.


Classification of AiolositeHide

Approved
Approval Year:
2008
7.BD.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations

Physical Properties of AiolositeHide

Vitreous
Transparency:
Translucent
Colour:
Colourless to white
Streak:
White
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
None observed
Density:
3.589 g/cm3 (Calculated)

Optical Data of AiolositeHide

Type:
Uniaxial (+)
RI values:
nω = 1.590() nε = 1.600(1)
Birefringence:
0.01
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Non-pleochroic

Chemical Properties of AiolositeHide

Formula:
Na4Bi(SO4)3Cl

Crystal-chemical formula: Na2(Na2Bi)(SO4)3Cl
IMA Formula:
Na2(Na2Bi)(SO4)3Cl

Crystallography of AiolositeHide

Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Space Group:
P63/m
Cell Parameters:
a = 9.626(3) Å, c = 6.880(3) Å
Ratio:
a:c = 1 : 0.715
Unit Cell V:
552.1 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.787 (20)
3.432 (45)
2.853 (100)
2.775 (85)
2.306 (25)
2.189 (15)
1.965 (35)
1.716 (20)

Type Occurrence of AiolositeHide

General Appearance of Type Material:
Acicular to slender prismatic crystals up to 0.5 mm long. The crystals are terminated by the pinacoid or, more rarely, by a bipyramid.
Place of Conservation of Type Material:
Dipartimento di Chimica Strutturale e Stereochimica Inorganica of Università degli Studi di Milano, Milan, Italy.
Geological Setting of Type Material:
In a medium-temperature (250 °C) intracrater fumarole on altered pyroclastic breccia.
Associated Minerals at Type Locality:

Synonyms of AiolositeHide

Relationship of Aiolosite to other SpeciesHide

Other Members of this group:
CaracoliteNa3Pb2(SO4)3ClMon.
CesaniteNa3Ca2(SO4)3(OH)Hex.
FluorphosphohedyphaneCa2Pb3(PO4)3FHex. 6/m : P63/m
HedyphaneCa2Pb3(AsO4)3ClHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
Miyahisaite(Sr,Ca)2Ba3(PO4)3F Hex. 6/m : P63/m
MorelanditeCa2Ba3(AsO4)3Cl
PhosphohedyphaneCa2Pb3(PO4)3ClHex. 6/m : P63/m

Related Minerals - Nickel-Strunz GroupingHide

7.BD.05SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
7.BD.05SulfohaliteNa6(SO4)2FCl
7.BD.10GaleiteNa15(SO4)5F4ClTrig.
7.BD.10SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
7.BD.15KogarkoiteNa3(SO4)FMon.
7.BD.20CaracoliteNa3Pb2(SO4)3ClMon.
7.BD.20CesaniteNa3Ca2(SO4)3(OH)Hex.
7.BD.25BurkeiteNa6(CO3)(SO4)2Orth.
7.BD.30HanksiteNa22K(SO4)9(CO3)2ClHex. 6/m : P63/m
7.BD.35CannoniteBi2(SO4)O(OH)2Mon. 2/m : P21/b
7.BD.40LanarkitePb2(SO4)OMon. 2/m : B2/m
7.BD.45GrandreefitePb2(SO4)F2Mon. 2/m
7.BD.50ItoitePb3Ge4+(SO4)2O2(OH)2Orth. mmm (2/m 2/m 2/m) : Pnma
7.BD.55ChiluiteBi3Te6+Mo6+O10.5Hex.
7.BD.60HectorfloresiteNa9(SO4)4(IO3)Mon. 2/m : P21/b
7.BD.65PseudograndreefitePb6(SO4)F10Orth. 2 2 2 : F2 2 2
7.BD.70SundiusitePb10(SO4)O8Cl2Mon.

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 AiolositeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
IMA website - Proposals approved in July 2008
Ciriotti, M.E., Fascio, L. & Pasero, M. (2009): Italian Type Minerals. Edizioni Plus, Università di Pisa, Pisa, Italy, 357 pp.
Demartin, F., Gramaccioli, C.M., Campostrini, I. & Pilati, T. (2010): Aiolosite, Na2(Na2Bi)(SO4)3Cl, a new sulfate isotypic to apatite from La Fossa Crater, Vulcano, Aeolian Islands, Italy. American Mineralogist, 95, 382-385.

Internet Links for AiolositeHide

Localities for AiolositeHide

ⓘ - 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.
Italy (TL)
 
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
IMA website - Proposals approved in July 2008
Mineral and/or Locality  
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