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Chlorellestadite

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Formula:
Ca5(SiO4)1.5(SO4)1.5Cl
System:
Hexagonal
Colour:
Pink
Hardness:





Classification of Chlorellestadite

Approved, Pending publication
Approval Year:
2017
Approval History:
The name has been used of a mineral with the ideal end-member formula Ca10(SiO4)3(SO4)3Cl2. It was assumed not to exist and therefore to be discredited (Pasero et al., 2010), although a synthetic equivalent has been synthesised.
Approved by IMA in 2017.
9.AH.25

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
52.4.9.5

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
17.10.20

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate

Physical Properties of Chlorellestadite

Colour:
Pink
Hardness (Mohs):

Chemical Properties of Chlorellestadite

Formula:
Ca5(SiO4)1.5(SO4)1.5Cl
IMA Formula:
Ca10(SiO4)3(SO4)3Cl2
Elements listed in formula:
Common Impurities:
Al,Fe,Mn,Mg,C

Crystallography of Chlorellestadite

Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Space Group:
P63/m
Cell Parameters:
a = 9.6002(2) Å, c = 6.8692(2) Å
Ratio:
a:c = 1 : 0.716
Unit Cell Volume:
V 548.27 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.435(38)
2.858(100)
2.793(90)
2.771(99)
2.648(21)
2.306(21)
1.967(41)
1.851(23)

Type Occurrence of Chlorellestadite

Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Leninskiy pr., 18/k2, 115162 Moscow, Russia, catalogue number 4975/1

Relationship of Chlorellestadite to other Species

Other Members of Group:
FluorellestaditeCa5(SiO4)1.5(SO4)1.5F
HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)
MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)
9.AH.05Iimoriite-(Y)Y2[SiO4][CO3]
9.AH.10Tundrite-(Ce)Na2Ce2Ti(SiO4)(CO3)2O2
9.AH.10Tundrite-(Nd)Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2
9.AH.15SpurriteCa5(SiO4)2(CO3)
9.AH.20TernesiteCa5(SiO4)2(SO4)
9.AH.25Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
9.AH.25Britholite-(Y)(Y,Ca)5(SiO4)3OH
9.AH.25Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
9.AH.25FluorellestaditeCa5(SiO4)1.5(SO4)1.5F
9.AH.25HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)
9.AH.25MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)
9.AH.25Tritomite-(Ce)Ce5(SiO4,BO4)3(OH,O)
9.AH.25Tritomite-(Y)Y5(SiO4,BO4)3(O,OH,F)
9.AH.25Fluorcalciobritholite(Ca,REE)5(SiO4,PO4)3F
9.AH.25Fluorbritholite-(Y)(Y,Ca)5(SiO4)3F
17.10.1NoseanNa8(Al6Si6O24)(SO4) · H2O
17.10.2PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2O
17.10.3Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O
17.10.4Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
17.10.5Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4
17.10.6Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)
17.10.7Tuscanite(K(Ca,Na)6(Si,Al)10O22[SO4,CO3,(OH)2] · H2O
17.10.8MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
17.10.9Delhayelite(Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3 · 18H2O
17.10.10HydrodelhayeliteKCa2AlSi7O17(OH)2 · 6H2O
17.10.11Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2
17.10.12Afghanite(Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6
17.10.13Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O
17.10.14Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2
17.10.15Sacrofanite(Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6•2H2O
17.10.16Chessexite(Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2O
17.10.17InneliteNa2CaBa4Ti3(Si2O7)2(SO4)2O4
17.10.18ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
17.10.19Ellestadite
17.10.21HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)
17.10.22FluorellestaditeCa5(SiO4)1.5(SO4)1.5F
17.10.23MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)
17.10.24QueititePb4Zn2(SO4)(SiO4)(Si2O7)
17.10.25RoeblingitePb2Ca6Mn2+(Si3O9)2(SO4)2(OH)2 · 4H2O
17.10.26YoshimuraiteBa2Mn2Ti(Si2O7)(PO4)O(OH)
17.10.27KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8
17.10.28Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2O
17.10.29MacquartiteCu2Pb7(CrO4)4(SiO4)2(OH)2
17.10.30WeliniteMn62+(W6+,Mg)2(SiO4)2(O,OH)6

Other Names for Chlorellestadite

Name in Other Languages:

Other Information

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 Chlorellestadite

Reference List:
American Mineralogist (1982): 67: 90-96.

Jegou Saint-Jean, Simon; Hansen, Staffan (2005): Nonstoichiometry in chlorellestadite. Solid State Sciences 7, 97-102.

Pasero, M., Kampf, A. R., Ferraris, C., Pekov, I. V., Rakovan, J. and White, T. J. (2010): Nomenclature of the apatite supergroup minerals. European Journal of Mineralogy 22, 163-179.

Środek, D.,Książek,M., Galuskina,I.O., Kusz, J., Dulski, M., Gazeev, V. and Galuskin, E. (2017) Chlorellestadite, IMA 2017-013. CNMNC Newsletter No. 37, June 2017, page 741; Mineralogical Magazine: 81: 737–742.

Internet Links for Chlorellestadite

mindat.org URL:
https://www.mindat.org/min-1015.html
Please feel free to link to this page.

Localities for Chlorellestadite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Romania
 
  • Hunedoara Co.
    • Hunedoara
      • Boșorod
Onac, B.P., Breban, R., Kearns, J., and Tamas, T. (2002) Unusual minerals related to phosphate deposits in Cioclovina Cave, Şureanu Mts. (Romania). Theoretical and Applied Karstology: 15: 27-34; American Mineralogist: 90:1203-1208 (2005)
South Ossetia (TL)
 
  • Greater Caucasus Mountain Range
    • Kel’ volcanic area
      • Shadil-Khokh volcano
Środek, D.,Książek,M., Galuskina,I.O., Kusz, J., Dulski, M., Gazeev, V. and Galuskin, E. (2017) Chlorellestadite, IMA 2017-013. CNMNC Newsletter No. 37, June 2017, page 741; Mineralogical Magazine: 81: 737–742.
USA
 
  • California
    • Riverside Co.
      • Crestmore
[American Mineralogist 67 (1982), 90-92; micromounts@yahoogroups.com]; Pasero, M., Kampf, A. R., Ferraris, C., Pekov, I. V., Rakovan, J. and White, T. J. (2010): Nomenclature of the apatite supergroup minerals. European Journal of Mineralogy 22, 163-179.
Mineral and/or Locality  
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