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Cesanite

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About CesaniteHide

Formula:
Na3Ca2(SO4)3(OH)
Crystal System:
Hexagonal
Name:
After the type locality, the Cesano No. 1 well, Cesano geothermal field, Bracciano Lake, Rome Province, Latium, Italy.
This page provides mineralogical data about Cesanite.


Classification of CesaniteHide

Approved
7.BD.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations
30.3.3.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)5(XO4)3Zq
25.4.5

25 : Sulphates
4 : Sulphates of Ca, Sr and Ba

Optical Data of CesaniteHide

Type:
Uniaxial (-)
RI values:
nω = 1.570 nε = 1.564
Max Birefringence:
δ = 0.006
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low

Chemical Properties of CesaniteHide

Formula:
Na3Ca2(SO4)3(OH)
IMA Formula:
Ca2Na3(SO4)3OH

Crystallography of CesaniteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 9.44 Å, c = 6.9 Å
Ratio:
a:c = 1 : 0.731
Unit Cell V:
532.51 ų (Calculated from Unit Cell)

Type Occurrence of CesaniteHide

Synonyms of CesaniteHide

Other Language Names for CesaniteHide

German:Cesanit
Spanish:Cesanita

Relationship of Cesanite to other SpeciesHide

Other Members of this group:
AiolositeNa4Bi(SO4)3ClHex. 6/m : P63/m
CaracoliteNa3Pb2(SO4)3ClMon.
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.20AiolositeNa4Bi(SO4)3ClHex. 6/m : P63/m
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.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.4.1AnhydriteCaSO4Orth. mmm (2/m 2/m 2/m)
25.4.2BassaniteCaSO4 · 0.5H2OMon. 2 : B2
25.4.3GypsumCaSO4 · 2H2OMon. 2/m
25.4.4GlauberiteNa2Ca(SO4)2Mon. 2/m : B2/b
25.4.6EugsteriteNa4Ca(SO4)3 · 2H2OMon.
25.4.7HydroglauberiteNa10Ca3(SO4)8 · 6H2OMon.
25.4.8SyngeniteK2Ca(SO4)2 · H2OMon. 2/m : P21/m
25.4.9GörgeyiteK2Ca5(SO4)6 · H2OMon.
25.4.10PolyhaliteK2Ca2Mg(SO4)4 · 2H2OTric. 1
25.4.11Koktaite(NH4)2Ca(SO4)2 · H2OMon.
25.4.12Ye'elimiteCa4Al6(SO4)O12Iso.
25.4.13EttringiteCa6Al2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
25.4.14BentoriteCa6(Cr3+,Al)2(SO4)3(OH)12 · 26H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
25.4.15CelestineSrSO4Orth. mmm (2/m 2/m 2/m) : Pnma
25.4.16KalistrontiteK2Sr(SO4)2Trig.
25.4.17BaryteBaSO4Orth. mmm (2/m 2/m 2/m) : Pnma

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 CesaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cavarretta, G., Mottana, A. & Tecce, F. (1981): Cesanite, Ca2Na3[(OH)(SO4)3], a sulfate isotypic to apatite, from the Cesano geothermal field (Latium, Italy): Mineralogical Magazine: 44, 269-273.
Mineralogical Magazine: 47: 59-63.
American Mineralogist: 67: 621.

Internet Links for CesaniteHide

Localities for CesaniteHide

ⓘ - 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.
Bahamas
 
  • San Salvador District
    • San Salvador Island
Onac B.P., Mylroie J.E., White W.B. (2001): Mineralogy of cave deposits on San Salvador Island, Bahamas. Carbonates and Evaporites, 16, 1, 8-16.; Onac B.P., Sumrall J., Mylroie J.E., Kearns J. (2009): Cave minerals of San Salvador Island, Bahamas. The University of South Florida karst studies series, 1, 70 pp.
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Sierra Gorda District
        • Caracoles
Brugger J, Meisser N, Ansermat S, Krivovichev S V, Kahlenberg V, Belton D, Ryan C G (2012) Leucostaurite, Pb2[B5O9]Cl·0.5H2O, from the Atacama Desert: The first Pb-dominant member of the hilgardite group, and micro-determination of boron minerals by PIGE. American Mineralogist 97, 1206-1212
Italy (TL)
 
  • Latium
    • Rome Province
      • Bracciano Lake
        • Cesano geothermal field
Cavarretta, G., Mottana, A., Tecce, F. (1981): Cesanite, Ca2Na3[(OH)(SO4)3], a sulphate isotypic to apatite, from the Cesano geothermal field (Latium, Italy). Mineral. Mag., 44, 269-273; Cavarretta, G., Mottana, A., Tecce, F. (1982): Goergeyite e syngenite nei pozzi geotermici di Cesano (Lazio). Rendiconti Soc. Ital. Mineral. Petrol., 38, 902; Stoppani, F.S., Curti, E. (1982): I minerali del Lazio. Editoriale Olimpia, Firenze, 291 pp.; Cavarretta, G., Mottana, A., Tecce, F. (1983): Görgeyite and syngenite in the Cesano geothermal field (Latium, Italy). Neues Jb. Mineral. Abh., 147, 304–314.
Mineral and/or Locality  
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