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Hydroxylellestadite

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Formula:
Ca5(SiO4)1.5(SO4)1.5(OH)
Colour:
Light orange; Pink, Purple-grey
Lustre:
Vitreous
Hardness:
Crystal System:
Hexagonal
Name:
Ellestadite (sensu lacto) was first described and named in honor of Dr. Ruben B. Ellestad (1900-1993), American analytical chemist of Minneapolis. Based on the chemical analysis, the type specimen of ellestadite should be considered a hydroxylellestadite (Pasero et al. 2010). Later Harada et al. (1971) described hydroxylellestadite. It was renamed as ellestadite-(OH), and again, by IMA 2010 (Pasero et al. 2010) back to hydroxylellestadite. The crystal structure was refined, first by Sudarsanan (1980), Hughes & Drexler (1991) and later by Onac et al. (2006).
A mineral in the Ellestadite Group of the Apatite Supergroup. Fluorellestadite-Hydroxylellestadite Series; Hydroxylapatite-hydroxylellestadite series. The hydroxyl analogue of fluorellestadite.

Formerly called ellestadite-(OH).

It is found in pegmatite veins, skarn and pyrometamorphic deposits.

Sulfate may be substituted by carbonate, at least in part, to give Unnamed (CO3 analogue of hydroxylellestadite) if the 50% rule is met.


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Classification of HydroxylellestaditeHide

Approved, 'Grandfathered' (first described prior to 1959)
9.AH.25

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
52.4.9.4

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
17.10.21

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

Physical Properties of HydroxylellestaditeHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Light orange; Pink, Purple-grey
Hardness:
4½ on Mohs scale

Optical Data of HydroxylellestaditeHide

Type:
Uniaxial (-)
RI values:
nω = 1.654 nε = 1.650
Max Birefringence:
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of HydroxylellestaditeHide

Formula:
Ca5(SiO4)1.5(SO4)1.5(OH)
IMA Formula:
Ca5(SiO4)1.5(SO4)1.5(OH)
Common Impurities:
Al,Fe,Mn,Mg,Sr,Na,K,P,C

Crystallography of HydroxylellestaditeHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mcm
Setting:
P63/m 2/c 2/m
Cell Parameters:
a = 9.491 Å, c = 6.921 Å
Ratio:
a:c = 1 : 0.729
Unit Cell V:
6.921 ų
Z:
2
Morphology:
Anhedral masses.

Type Occurrence of HydroxylellestaditeHide

General Appearance of Type Material:
Anhedral, cleavable aggregates up to 100 kg. Individual cleavage pieces are up
to 2 cm along the c axis

Synonyms of HydroxylellestaditeHide

Other Language Names for HydroxylellestaditeHide

Relationship of Hydroxylellestadite to other SpeciesHide

Other Members of this group:
ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ye'elimite1 photo of Hydroxylellestadite associated with Ye'elimite on mindat.org.
Plombièrite1 photo of Hydroxylellestadite associated with Plombièrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AH.05Iimoriite-(Y)Y2[SiO4][CO3]Tric.
9.AH.10Tundrite-(Ce)Na2Ce2Ti(SiO4)(CO3)2O2Tric. 1 : P1
9.AH.10Tundrite-(Nd)Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2
9.AH.15SpurriteCa5(SiO4)2(CO3)Mon.
9.AH.20TernesiteCa5(SiO4)2(SO4)Orth. mmm (2/m 2/m 2/m) : Pnma
9.AH.25Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
9.AH.25Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m
9.AH.25FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
9.AH.25MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
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)3FHex. 6/m : P63/m
9.AH.25Fluorbritholite-(Y)(Y,Ca)5(SiO4)3FHex. 6/m : P63/m

Related Minerals - Dana Grouping (8th Ed.)Hide

52.4.9.1Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
52.4.9.2Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
52.4.9.3FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
52.4.9.5ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
52.4.9.6MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
52.4.9.7Karnasurtite-(Ce)(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O
52.4.9.8Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.10.1NoseanNa8(Al6Si6O24)(SO4) · H2OIso. 4 3m : P4 3n
17.10.2PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2OHex.
17.10.3Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2OHex. 6 : P63
17.10.4Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)Iso. 4 3m : P4 3n
17.10.5Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4Hex.
17.10.6Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)Mon.
17.10.7Tuscanite(K(Ca,Na)6(Si,Al)10O22[SO4,CO3,(OH)2] · H2OMon.
17.10.8MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2Hex.
17.10.9Delhayelite(Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3 · 18H2OOrth.
17.10.10HydrodelhayeliteKCa2AlSi7O17(OH)2 · 6H2OOrth.
17.10.11Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2Hex. 6/m : P63/m
17.10.12Afghanite(Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6Trig. 3m : P3 1c
17.10.13Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2OHex.
17.10.14Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2Hex.
17.10.15Sacrofanite(Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6•2H2OHex.
17.10.16Chessexite(Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2OOrth.
17.10.17InneliteNa2CaBa4Ti3(Si2O7)2(SO4)2O4Tric. 1 : P1
17.10.18ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
17.10.19Ellestadite
17.10.20ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
17.10.22FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
17.10.23MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
17.10.24QueititePb4Zn2(SO4)(SiO4)(Si2O7)Mon. 2 : P21
17.10.25RoeblingitePb2Ca6Mn2+(Si3O9)2(SO4)2(OH)2 · 4H2OMon. 2/m : B2/m
17.10.26YoshimuraiteBa2Mn2Ti(Si2O7)(PO4)O(OH)Tric. 1 : P1
17.10.27KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.
17.10.28Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2OHex.
17.10.29MacquartiteCu2Pb7(CrO4)4(SiO4)2(OH)2Mon.
17.10.30WeliniteMn2+6(W6+,Mg)2(SiO4)2(O,OH)6Trig. 3 : P3

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 HydroxylellestaditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Harda, K., Nagashima, K., Nakao, K., Kato, A. (1971) Hydroxylellestadite, a new apatite from Chichibu Mine, Saitama Prefecture, Japan. American Mineralogist: 56: 1507-1518.
Suddarsanan, K. (1980): Structure of hydroxylellestadite. acta Crystallographica. B36: 1636-1639
Rouse, R.C., Dunn, P.J. (1982) A contribution to the crystal chemistry of ellestadite and silicate sulfate apatites. American Mineralogist: 67: 90-96.
Hughes, J.M., Drexler, J.W. (1991) Cation substitution in the apatite tetrahedral site: crystal structures of type hydroxylellestadite and type fermorite. Neues Jahrbuch für Mineralogie, Monatshefte: 1991: 327-336.
Onac, B.P., Effenberger, H., Ettinger, K., Panzaru, S.C. (2006) Hydroxylellestadite from Cioclovina Cave (Romania): microanalytical, structural, and vibrational spectroscopy data. American Mineralogist: 91: 1927-1931.
Pasero, M., Kampf, A.R., Ferraris, C., Pekov, I.V., Rakovan, J.R., White, T.J. (2010) Nomenclature of the apatite supergroup minerals. European Journal of Mineralogy: 22: 163-179. [doi:10.1127/0935-1221/2010/0022-2022]
Hughes, J.M., Rakovan, J.F. (2015) Structurally robust, chemically diverse: Apatite and apatite supergroup minerals. Elements: 11(3): 165-170.

Internet Links for HydroxylellestaditeHide

Localities for HydroxylellestaditeHide

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.
China
 
  • Anhui Province
Shengxiu Hou, Zhaolian Liu, and Huande Hu (1985): Acta Mineralogica Sinica 5(4), 327-330
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • South Moravia Region
      • Oslavany
Hršelová, P., Cempírek, J., Houzar, S., Sejkora, J. (2013): S,F,Cl-rich mineral assemblages from burned spoil heaps in the Rosice-Oslavany coalfield, Czech Republic. Can. Mineral.: 51(1): 171-188
France
 
  • Provence-Alpes-Côte d'Azur
    • Alpes-de-Haute-Provence
Favreau G., Meisser N., Chiappero P.J. (2004), Saint-Maime (Alpes-de-Haute-Provence): un exemple de pyrométamorphisme en région provençale, n°3, pp: 59-92
Germany
 
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
Japan (TL)
 
  • Honshu Island
    • Kanto Region
      • Saitama Prefecture
        • Chichibu City
          • Ohtaki-mura
            • Nakatsugawa
Harda, K., Nagashima, K., Nakao, K., Kato, A. (1971) Hydroxylellestadite, a new apatite from Chichibu Mine, Saitama Prefecture, Japan. American Mineralogist: 56: 1507-1518 Am.Min.:67:90 (1982); Acta Cryst. B36(1980).
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Palestine
 
  • West Bank
    • Hatrurim Formation
Sokol, E.V., Gaskova, O.L., Kokh, S.N., Kozmenko, O.A., Seryotkin, Y.V., Vapnik, Y., Murashko, M.N. (2011): Chromatite and its Cr3+- and Cr6+-bearing precursor minerals from the Nabi Musa Mottled Zone complex, Judean Desert. American Mineralogist 96, 659-674.
Portugal
 
  • Guarda District
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991), Mineral Occurrences.
Romania
 
  • Caraş-Severin Co.
    • Banat Mts
Marincea, S., Dumitraş. D-G., Ghinet, C, Fransolet, A.-M., Hatert, F. & Rondeaux, M. (2011): Gehlenite from three occurrences of high-temperature skarns, Romania: new mineralogical data. Canadian Mineralogist. 49, 1001-1014
  • Hunedoara Co.
    • Brad
The Canadian Mineralogist Vol. 39, pp. 1405-1434 (2001)
    • Hunedoara
      • Boșorod
Onac, B.P., et al. (2006). American Mineralogist: 91: 1927-1931.
Marincea, Ş., Bilal, E., Verkaeren, J., Pascal, M.-L., and Fonteilles, M. (2001) Superposed paragenesis in spurrite-, tilleyite- and gehlenite-bearing skarns from Cornet Hill, Apuseni Mountains, Romania. Canadian Mineralogist: 39: 1435-1453.; The Canadian Mineralogist Vol. 39, pp. 1405-1434 (2001); Marincea, Ş., Dumitraş, D. G., Călin, N., Anason, A. M., Fransolet, A. M., & Hatert, F. (2013). Spurrite, tilleyite and associated minerals in the exoskarn zone from Cornet Hill (Metaliferi Massif, Apuseni Mountains, Romania). The Canadian Mineralogist, 51(3), 359-375.
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Buriatia Republic (Buryatia)
        • Dovyren Highlands
American Mineralogist, Volume 94, pages 323–333, 2009
  • Northern Caucasus Region
    • Kabardino-Balkarian Republic
      • Baksan Valley
Galuskin, E.V., Galuskina, I.O., Kusz, J., Gfeller, F., Armbruster, T., Bailau, R., Dulski, M., Gazeev, V.M., Pertsev, N.N., Zadov, A.E., Dzieržanowski, P. (2015): Mayenite supergroup, part II: Chlorkyuygenite from Upper Chegem, northern Caucasus Kabardino-Balkaria, Russia, a new microporous mayenite supergroup mineral with “zeolitic” H2O. European Journal of Mineralogy. 27, 113-122; Bailau, R., Gałuskin, E. V., Gazeev, V. M., & Gałuskina, I. O. Raman investigation of potential new mineral-Fe 3-analogue of wadalite from calcareous-silicate xenoliths of the Upper Chegem caldera, Northern Caucasus, Russia.
          • Lakargi Mt.
Galuskina, I. O., Galuskin, E. V., Kusz, J., Dzierżanowski, P., Prusik, K., Gazeev, V. M., ... & Dubrovinsky, L. (2013). Dzhuluite, Ca3SbSnFe3+ 3O12, a new bitikleite-group garnet from the Upper Chegem Caldera, Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy, 25(2), 231-239
Galuskin, E.V., Galuskina, I.O., Gazeev, V.M., Dzierżanowski, P., Prusik, K., Pertsev, N.N., Zadov, A.E., Bailau, R., Gurbanov, A.G. (2011): Megawite, CaSnO3: a new perovskite-group mineral from skarns of the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia. Mineralogical Magazine, 75, 2563-2572.
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Sysert' District
          • Polevskoi (Polevskoi Zavod)
Zadov, A. E.; Grabezhev, A. I.; Pertsev, N. N.; Chukanov, N. V.; Pribavkin, S. V. (2006): Tobermorite-plombierite metasomatites of the Gumeshevsk skarn-porphyry copper deposit, Middle Urals. Doklady Earth Sciences 407A, 495-497. ; American Mineralogist, Volume 94, pages 323–333, 2009; Grabezhev, A. I., Pertsev, N. N., Zadov, A. E., Pribavkin, S. V., & Murzin, V. V. (2007). Calcic hydrosilicate metasomatic rocks at the Gumeshevsk skarn-porphyry copper deposit in the central Urals, Russia. Petrology, 15(5), 514-522.
Slovakia
 
  • Banská Bystrica Region
    • Banská Štiavnica Co.
      • Vysoká
Koděra P., Uher P., Ozdín D., Kollárová V., Lexa J., 2009: Monticellit, clintonit a hydroxylellestadit-fluorellestadit: vzácne skarnové minerály na Cu-Au porfýrovo-skarnovom ložisku Vysoká – Zlatno (štiavnický stratovulkán). Mineralia Slovaca, 41, 2, 169-178.; P. UHER, P. KODĚRA, T. VACULOVIČ (2011): Perovskite from Ca-Mg skarn-porphyry deposit Vysoká – Zlatno, Štiavnica stratovolcano, Slovakia. Mineralia Slovaca, 43, 247-254.
USA
 
  • California
    • Riverside Co.
      • Crestmore
RRUFF ID: R060769
      • Jurupa Mts
        • Jurupa
Excalibur Mineral Company analysis
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