Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Ellestadite-(Cl)

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ca10(SiO4)3(SO4)3Cl2
System:
Hexagonal
Colour:
Pink
Hardness:
A mineral with this ideal end-member formula is assumed not to exist and therefore to be discredited (Pasero et al., 2010), although a synthetic equivalent has been synthesised.

Compare Ellestadite Group.




Classification of Ellestadite-(Cl)

Discredited
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 Ellestadite-(Cl)

Colour:
Pink
Hardness (Mohs):

Optical Data of Ellestadite-(Cl)

Type:
Uniaxial (-)
RI values:
nω = 1.652 - 1.655 nε = 1.649 - 1.650
Max Birefringence:
δ = 0.003 - 0.005
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Ellestadite-(Cl)

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

Crystallography of Ellestadite-(Cl)

Crystal System:
Hexagonal
Cell Parameters:
a = 9.53 Å, c = 6.91 Å
Ratio:
a:c = 1 : 0.725
Unit Cell Volume:
V 543.49 ų (Calculated from Unit Cell)

Relationship of Ellestadite-(Cl) to other Species

9.AH.05Iimoriite-(Y)Y2(SiO4)(CO3)
9.AH.10Tundrite-(Ce)Na2Ce2TiO2SiO4(CO3)2
9.AH.10Tundrite-(Nd)Na2Nd2TiO2(SiO4)(CO3)2
9.AH.15SpurriteCa5(SiO4)2(CO3)
9.AH.20TernesiteCa5(SiO4)2SO4
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.25MattheddleitePb10(SiO4)3(SO4)3Cl2
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(Si6Al6)O24(SO4) · H2O
17.10.2PitiglianoiteK2Na6(Si6Al6)O24(SO4) · 2H2O
17.10.3VishneviteNa8(Al6Si6)O24(SO4) · 2H2O
17.10.4HaüyneNa3Ca(Si3Al3)O12(SO4)
17.10.5LiottiteNa16Ca8Si18Al18O72(SO4)5Cl4
17.10.6Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)
17.10.7TuscaniteKCa6(Si,Al)10O22(SO4,CO3)2(OH) · H2O
17.10.8MicrosommiteNa4K2Ca2(SO4)(Si6Al6O24)Cl2
17.10.9DelhayeliteK7Na3Ca5Al2Si14O38F4Cl2
17.10.10HydrodelhayeliteKCa2(Si7Al)O17(OH)2 · 6H2O
17.10.11Davyne(Na,K)6Ca2(Si6Al6)O24Cl3(SO4)0.5
17.10.12AfghaniteNa22Ca10(Si24Al24)O96(SO4)6Cl6
17.10.13Franzinite(Na,K)30Ca10(Si30Al30)O120(SO4)10 · 2H2O
17.10.14GiuseppettiteNa42K16Ca6Si48Al48O192(SO4)10Cl2 · 5H2O
17.10.15Sacrofanite(Na,Ca)9(Si,Al)12O24(OH,SO4,CO3,Cl)4 · nH2O
17.10.16ChessexiteNa4Ca2Mg3Al8(SiO4)2(SO4)10(OH)10 · 40H2O
17.10.17InneliteBa4Ti2Na(NaCa)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)]
17.10.18ThaumasiteCa3Si(OH)6(SO4)(CO3) · 12H2O
17.10.19Ellestadite
17.10.21HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)
17.10.22FluorellestaditeCa5(SiO4)1.5(SO4)1.5F
17.10.23MattheddleitePb10(SiO4)3(SO4)3Cl2
17.10.24QueititeZn2Pb4(SiO4)(Si2O7)(SO4)
17.10.25RoeblingiteCa6Mn2+Pb2(Si3O9)2(SO4)2(OH)2 · 4H2O
17.10.26YoshimuraiteBa4Mn42+Ti2(Si2O7)2(PO4)2O2(OH)2
17.10.27KegelitePb4Al2Si4O10(SO4)(CO3)2(OH)4
17.10.28WenkiteBa4Ca6(Si,Al)20O41(OH)2(SO4)3 · H2O
17.10.29MacquartiteCu2Pb7(CrO4)4(SiO4)2(OH)2
17.10.30Welinite(Mn4+,W)(Mn2+,Mg)(SiO4)(O,OH)3

Other Names for Ellestadite-(Cl)

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 Ellestadite-(Cl)

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.

Internet Links for Ellestadite-(Cl)

mindat.org URL:
https://www.mindat.org/min-1015.html
Please feel free to link to this page.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 30, 2017 04:24:13 Page generated: April 28, 2017 12:19:21
Go to top of page