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D'Ansite-(Fe)

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About D'Ansite-(Fe)Hide

Formula:
Na21Fe2+(SO4)10Cl3
Colour:
Colourless, white
Lustre:
Vitreous
Specific Gravity:
2.62
Crystal System:
Isometric
Member of:
Name:
For the mineral d'ansite and the iron content
Fe2+-dominant analogue of d’ansite and d'ansite-(Mn).

Compare the chemically similar 'Unnamed (Sodium Potassium Iron Sulfate Chloride)'.


Classification of D'Ansite-(Fe)Hide

Approved
Approval Year:
2011

Physical Properties of D'Ansite-(Fe)Hide

Vitreous
Colour:
Colourless, white
Streak:
white
Tenacity:
Brittle
Cleavage:
None Observed
Density:
2.62(1) g/cm3 (Measured)    2.644 g/cm3 (Calculated)

Optical Data of D'Ansite-(Fe)Hide

Type:
Isotropic
RI values:
n = 1.51(1)
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Low

Chemical Properties of D'Ansite-(Fe)Hide

Formula:
Na21Fe2+(SO4)10Cl3
IMA Formula:
Na21Fe(SO4)10Cl3

Crystallography of D'Ansite-(Fe)Hide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
I4 3d
Cell Parameters:
a = 15.882(3) Å
Unit Cell V:
4,006.04 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Aggregates of complex isometric crystals up to 0.2 mm.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.384(27)
3.113(26)
2.900(14)
2.807(100)
2.570(37)
2.161(15)
2.018(15)
1.714(29)

Type Occurrence of D'Ansite-(Fe)Hide

General Appearance of Type Material:
forms aggregates of colourless to white complex isometric crystals to 0.2mm
Place of Conservation of Type Material:
Holotype material is deposited in the Reference Collection of the DCSSI, University of Milan,sample number 2011-02
Geological Setting of Type Material:
In fumaroles on pyroclastic flows.
Associated Minerals at Type Locality:

Synonyms of D'Ansite-(Fe)Hide

Relationship of D'Ansite-(Fe) to other SpeciesHide

Member of:
Other Members of this group:
D'AnsiteNa21Mg(SO4)10Cl3Iso.
D'Ansite-(Mn)Na21Mn2+(SO4)10Cl3Iso. 4 3m : I4 3d

Common AssociatesHide

Associated Minerals Based on Photo Data:
Adranosite2 photos of D'Ansite-(Fe) associated with Adranosite on mindat.org.

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 D'Ansite-(Fe)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Demartin, F., Campostrini, I., Castellano, C., Gramaccioli, C.M., Russo, M. (2012): D'ansite-(Mn), Na21Mn2+(SO4)10Cl3 and d'ansite-(Fe), Na21Fe2+(SO4)10Cl3, two new minerals from volcanic fumaroles. Mineralogical Magazine, 76, 2773-2783.

Internet Links for D'Ansite-(Fe)Hide

Localities for D'Ansite-(Fe)Hide

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.
Italy (TL)
 
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
Demartin, F., Campostrini, I., Castellano, C., Gramaccioli, C.M., Russo, M. (2012): D'ansite-(Mn), Na21Mn2+(SO4)10Cl3 and d'ansite-(Fe), Na21Fe2+(SO4)10Cl3, two new minerals from volcanic fumaroles. Mineralogical Magazine, 76, 2773-2783.
Slovenia
 
  • Mežica (Miess)
Demartin, F., Campostrini, I., Castellano, C., Gramaccioli, C.M., Russo, M. (2012): D'ansite-(Mn), Na21Mn2+(SO4)10Cl3 and d'ansite-(Fe), Na21Fe2+(SO4)10Cl3, two new minerals from volcanic fumaroles. Mineralogical Magazine, 76, 2773-2783.
Mineral and/or Locality  
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