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Schorlomite

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About SchorlomiteHide

Formula:
Ca3(Ti,Fe3+)2((Si,Fe3+)O4)3
Colour:
Black, brown-black
Lustre:
Sub-Metallic
Hardness:
7 - 7½
Crystal System:
Isometric
Name:
For its visual resemblance to schorl
Garnet Group. Compare UM1982-16-SiO:AlCaFeTi And Morimotoite

Much of the recent material labelled "schorlomite" is mislabeled and is, strictly speaking, titanian andradite.

Visit gemdat.org for gemological information about Schorlomite.


Classification of SchorlomiteHide

Approved, 'Grandfathered' (first described prior to 1959)
8/A.08-120
9.AD.25

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
51.4.3c.1

51 : NESOSILICATES Insular SiO4 Groups Only
4 : Insular SiO4 Groups Only with cations in [6] and >[6] coordination
14.9.35

14 : Silicates not Containing Aluminum
9 : Silicates of Ti

Physical Properties of SchorlomiteHide

Sub-Metallic
Colour:
Black, brown-black
Streak:
Dark brown
Hardness:
7 - 7½ on Mohs scale

Optical Data of SchorlomiteHide

Type:
Isotropic

Chemical Properties of SchorlomiteHide

Formula:
Ca3(Ti,Fe3+)2((Si,Fe3+)O4)3
IMA Formula:
Ca3Ti2(SiFe3+2)O12
Common Impurities:
Na,Al,Mn,Mg,Na,K,H20,P,Zr,V

Crystallography of SchorlomiteHide

Crystal System:
Isometric
Cell Parameters:
a = 12.15 Å
Unit Cell V:
1,793.61 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of SchorlomiteHide

Synonyms of SchorlomiteHide

Other Language Names for SchorlomiteHide

Simplified Chinese:钛榴石
Traditional Chinese:鈦榴石

Relationship of Schorlomite to other SpeciesHide

Other Members of this group:
HutcheoniteCa3Ti2(SiAl2)O12Iso. m3m (4/m 3 2/m) : Ia3d
IrinarassiteCa3Sn2Al2SiO12 Iso. m3m (4/m 3 2/m) : Ia3d
KerimasiteCa3Zr2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3Iso.
ToturiteCa3Sn2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Nepheline25 photos of Schorlomite associated with Nepheline on mindat.org.
Magnetite3 photos of Schorlomite associated with Magnetite on mindat.org.
Calcite1 photo of Schorlomite associated with Calcite on mindat.org.
Vesuvianite1 photo of Schorlomite associated with Vesuvianite on mindat.org.
Andradite1 photo of Schorlomite associated with Andradite on mindat.org.
Phlogopite1 photo of Schorlomite associated with Phlogopite on mindat.org.
Melilite1 photo of Schorlomite associated with Melilite on mindat.org.
Orthoclase1 photo of Schorlomite associated with Orthoclase on mindat.org.
Thomsonite-Ca1 photo of Schorlomite associated with Thomsonite-Ca on mindat.org.
Fluorapatite1 photo of Schorlomite associated with Fluorapatite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AD.AdrianiteCa12(Al4Mg3Si7)O32Cl6Iso. 4 3m : I4 3d
9.AD.05LarniteCa2SiO4Mon.
9.AD.10Calcio-olivineCa2SiO4Orth. mmm (2/m 2/m 2/m)
9.AD.15MerwiniteCa3Mg(SiO4)2Mon. 2/m : P21/b
9.AD.20BredigiteCa7Mg(SiO4)4Orth.
9.AD.25AndraditeCa3Fe3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25AlmandineFe2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3Iso.
9.AD.25GoldmaniteCa3V3+2(SiO4)3Iso.
9.AD.25GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25HibschiteCa3Al2(SiO4)3-x(OH)4xIso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HydroandraditeCa3Fe3+2(SiO4)3-x(OH)4x
9.AD.25KatoiteCa3Al2(SiO4)3-x(OH)4x (x = 1.5-3)Iso.
9.AD.25KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3Iso.
9.AD.25KnorringiteMg3Cr2(SiO4)3Iso.
9.AD.25MajoriteMg3(Fe2+,Si,Al)2(SiO4)3Iso.
9.AD.25MorimotoiteCa3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3Iso.
9.AD.25PyropeMg3Al2(SiO4)3Iso.
9.AD.25SpessartineMn2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25UvaroviteCa3Cr2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Wadalite(Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3Iso. 4 3m : I4 3d
9.AD.25HoltstamiteCa3(Al,Mn3+)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25KerimasiteCa3Zr2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25ToturiteCa3Sn2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Momoiite(Mn2+,Ca)3V3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25EltyubyuiteCa12Fe3+10Si4O32Cl6Iso. 4 3m : I4 3d
9.AD.25HutcheoniteCa3Ti2(SiAl2)O12Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.30CoffiniteU(SiO4) · nH2OTet.
9.AD.30HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30ThoriteTh(SiO4)Tet.
9.AD.30ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30Stetindite-(Ce)Ce(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.35HuttoniteThSiO4Mon.
9.AD.35Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2xMon.
9.AD.40EulytineBi4(SiO4)3Iso. 4 3m : I4 3d
9.AD.45ReiditeZrSiO4Tet. 4/m : I41/a

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

51.4.3c.2KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3Iso.
51.4.3c.3MorimotoiteCa3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3Iso.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.9.1NatisiteNa2Ti(SiO4)OTet.
14.9.2LorenzeniteNa2Ti2(Si2O6)O3Orth. mmm (2/m 2/m 2/m) : Pbcn
14.9.3LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2OMon.
14.9.4DavaniteK2TiSi6O15Tric.
14.9.5KazakoviteNa6Mn2+Ti(Si6O18)Trig.
14.9.6TitaniteCaTi(SiO4)OMon. 2/m : P21/b
14.9.7OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2OMon.
14.9.8Lamprophyllite(Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2Mon.
14.9.9BenitoiteBaTi(Si3O9)Hex. 6 m2 : P62c
14.9.10BatisiteBaNaNaTi2(Si4O12)O2Orth.
14.9.11FresnoiteBa2Ti(Si2O7)OTet.
14.9.12Joaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2OMon. 2 : B2
14.9.13Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O
14.9.14StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.
14.9.15Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2OOrth.
14.9.16Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2OOrth.
14.9.17BafertisiteBa2Fe2+4Ti2(Si2O7)2O2(OH)2F2Tric.
14.9.18HejtmaniteBa2(Mn2+,Fe2+)4Ti2(Si2O7)2O2(OH)2F2Tric. 1
14.9.19Delindeite(Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2OMon.
14.9.20Barytolamprophyllite(Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F)Mon.
14.9.21Trimounsite-(Y)Y2Ti2(SiO4)O5Mon.
14.9.22Perrierite-(Ce)Ce4MgFe3+2Ti2(Si2O7)2O8
14.9.23Chevkinite(Ce,Ca,Th)4(Fe,Mn)2(Ti,Fe)3[Si2O7]2O8
14.9.24Strontiochevkinite(Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8Mon.
14.9.25TisinaliteNa3H3(Mn,Ca,Fe)TiSi6(O,OH)18 · 2H2OTrig.
14.9.26NeptuniteNa2KLiFe2+2Ti2Si8O24Mon. m : Bb
14.9.27ManganoneptuniteNa2KLiMn2+2Ti2Si8O24Mon.
14.9.28Kupletskite(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4FTric.
14.9.29AstrophylliteK2NaFe2+7Ti2Si8O28(OH)4FTric. 1 : P1
14.9.30Hydroastrophyllite(H3O,K,Ca)3(Fe,Mn)5-65Ti2Si8(O,OH)31Tric.
14.9.31LobanoviteK2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4Mon. 2/m : B2/m
14.9.32BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2Mon. 2/m : B2/b
14.9.34AenigmatiteNa4[Fe2+10Ti2]O4[Si12O36]Tric. 1 : P1
14.9.36TinaksiteK2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]Tric.
14.9.37Janhaugite(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2Mon. 2/m : P21/m
14.9.38KoashviteNa6(Ca,Mn)(Ti,Fe)Si6O18 · H2OOrth.

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 SchorlomiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Howie, R.A., A.R. Wooley, J.H. Scoon, R.C. Tyler & J.N. Walsh (1968), The role of titanium and the effect of TiO2 on the cell size, refractive index, and specific gravity in the andradite-melanite-schorlomite series: Mineralogical Magazine: 36: 775-790.
Manning, P.G. & D.C. Harris (1970), Optical absorption and electron-microprobe studies of some high-Ti andradites: Canadian Mineralogist: 10: 260-271.
Huggins, F.E., D. Virgo & H.G. Huckenbolz (1977), Titanium-containing silicate garnets: II. The crystal chemistry of melanites and schorlomites: American Mineralogist: 62: 646-665.
Schwartz, K.B., Nolet, D.A., and Burns, R.G. (1980) Mössbauer spectroscopy and crystal chemistry of natural Fe-Ti garnets. American Mineralogist: 65: 142-153.
American Mineralogist (1989): 74: 422.
Canadian Mineralogist 33 (1995): 627-631.
Armbruster, Th., Birrer, J., Libowitzky, E., Beran, A. (1998): Crystal chemistry of Ti-bearing andradites, European Journal of Mineralogy, Vol. 10, 907-921
Chakhmouradian, A. R.; McCammon, C. A. (2005): Schorlomite: a discussion of the crystal chemistry, formula, and inter-species boundaries. Physics and Chemistry of Minerals 32, 277-289.

Internet Links for SchorlomiteHide

Localities for SchorlomiteHide

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.
Brazil
 
  • São Paulo
    • Cajati
MinRec 15:261-270
Cameroon
 
  • South-West Region
    • Buea
      • Cameroon Mt
Bindi, L., Bonazzi, P., Fitton, G.J. (2001): Crystal chemistry of strontian soda melilite from nephelinite lava of Mt. Etinde, Cameroon, European Journal of Mineralogy; February 2001; Vol. 13; p. 121-125 ; Bindi, L., Bonazzi, P., & Fitton, J. G. (2001). Crystal chemistry of strontian soda melilite from nephelinite lava of Mt. Etinde, Cameroon. European Journal of Mineralogy, 13(1), 121-125.
Canada
 
  • British Columbia
    • Golden Mining Division
CAVELL, R. G., & DUKE, M. J. M. (1995). Spectroscopy of the cation distribution in the schorlomite species of garnet. American Mineralogist, 80, 27-38.
Jones, W. C. (1955) Geology of the Garnet Mountain-Aguilla Ridge Area, Ice River, British Columbia. MSc thesis, University of British Columbia.
  • Newfoundland and Labrador
    • Labrador
Tappe, S., (2005) Genesis of Ultramafic Lamprophyres and Carbonatites, Aillik Bay, Canada: Implications for Incipient Rifting in the Labrador Sea Area. Nature and Origin of Ultramafic Lamprophyres and Carbonatites from the Borders of the Labrador Sea: Insights from Petrology, Geochemistry, and Geochronology. PhD thesis Johannes Gutenberg-Universität Mainz
  • Ontario
    • Algoma District
      • McMurray Township
Sage (1988) Ont. Geol. Survey Study 47.
    • Thunder Bay District
      • Killala Lake Area
The Canadian Mineralogist Vol. 44, pp. 929-942 (2006)
  • Québec
    • Nord-du-Québec
      • Nunavik
        • Ungava
          • Abloviak fjord
Tappe, S., Jenner, G. A., Foley, S. F., Heaman, L., Besserer, D., Kjarsgaard, B. A., & Ryan, B. (2004). Torngat ultramafic lamprophyres and their relation to the North Atlantic Alkaline Province. Lithos, 76(1), 491-518.
    • Saguenay-Lac-Saint-Jean
      • Le Fjord-du-Saguenay RCM
        • Saint-Honoré
Currie (1976) GSC Bulletin 239, 109-110
FOURNIER, A. (1993) Magmat!c and hydrothermal controls of LREE mineralization of the St.-Honoré carbonatite, Québec. M.Sc. thesis, McGill University, Montreal, Canada. 95p.
Cape Verde
Kogarko, L. N., Sorokhtina, N. V., Zaitsev, V. A., & Senin, V. G. (2009). Rare metal mineralization of calcite carbonatites from the Cape Verde Archipelago. Geochemistry International, 47(6), 531-549.
China
 
  • Hebei
    • Baoding
      • Laiyuan Co.
Chang Zhaoshan and Feng Zhongyan (1996): Acta Scientiarum Naturalium Universitatis Pekinensis 32(6), 724-733.
    • Zhangjiakou
      • Zhuolu Co.
Baolei Mu, Junjun Cai, and Zhenhui Bian (1998): Acta Petrologica et Mineralogica 17(4), 359-370.
  • Shanxi
    • Lüliang
      • Lin Co.
Daogan Tai and Peiying Lin (1987): Geoscience 1(1), 86-94
Denmark
 
  • Greenland
    • Sermersooq
      • Kangerlussuaq Fjord
MinRec 16:485-494
      • Paamiut (Frederikshåb)
http://www.koeln.netsurf.de/~w.steffens/green.htm
Finland
 
  • North Ostrobothnia
    • Kuusamo
Chakhmouradian, A. R., & McCammon, C. A. (2005). Schorlomite: a discussion of the crystal chemistry, formula, and inter-species boundaries. Physics and Chemistry of Minerals, 32(4), 277-289.
Germany
 
  • Baden-Württemberg
Armbruster, Th., Birrer, J., Libowitzky, E., Beran, A. (1998): Crystal chemistry of Ti-bearing andradites, European Journal of Mineralogy, Vol. 10, 907-921
  • Lower Saxony
    • Harz
      • Bad Harzburg
        • Radau valley
No reference listed
  • Rhineland-Palatinate
    • Ahrweiler
      • Brohltal
        • Wehr
Viereck, L., Geologische und petrologische Entwicklung des pleistozänen Vulkankomplexes Rieden, Ost-Eifel, Bochumer geol. Geotechn. Arbeiten 17, 1984
    • Mayen-Koblenz
      • Mayen
        • Ettringen
          • Bellerberg volcano
Blass, G., Graf, H.W., Kolitsch, U., Neue Funde und Mineralien aus der Vulkaneifel, Mineralien-Welt 13/1, 52-57, 2002
      • Mendig
        • Bell
Viereck, L., Geologische und petrologische Entwicklung des pleistozänen Vulkankomplexes Rieden, Ost-Eifel, Bochumer geol. Geotechn. Arbeiten 17, 1984
    • Vulkaneifel
      • Gerolstein
        • Rockeskyll
          • Rockeskyll volcanic complex
Riley, T., Bailey, K., lloyd, F.,, Extrusive carbonatite from the quaternary Rockeskyll complex, West Eifel, Germany, Canadian Mineralogist, Vol 34, 389-401, 1996
      • Hillesheim
Hentschel, G., Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel, Lapis, Weise Verlag München, 09/1993
Iraq
 
  • Iraqi Kurdistan
    • Sulaymaniyah province
      • Qala-Diz (Qala-Dizeh; Qala-Diza)
        • Hero
Al-Hermezi, H. M., McKie, D., & Hall, A. J. (1986). Baghdadite, a new calcium zirconium silicate mineral from Iraq. Mineralogical Magazine, 50, 119-123.
Israel
 
  • Negev
Vapnik, Y., Sokol, E., Murashko M., Sharygin V. (2006): The enigma of Hatrurim. Mineralogical Almanac, 10, 69-77.
Galuskina, I.O., Galuskin, E.V., Vapnik, Y., Prusik, K., Stasiak, M., Dzierżanowski, P., Murashko, M. (2017): Gurimite, Ba3(VO4)2, and hexacelsian, BaAl2Si2O8 – two new minerals from schorlomite-rich paralava of the Hatrurim Complex, Negev Desert, Israel. Mineralogical Magazine, 81, 1009-1019.
Italy
 
  • Latium
    • Rieti Province
      • Rieti
        • Santa Rufina
Stoppa, F., and Woolley, A.R. (1997): Mineralogy and Petrology 59, 43-67.
  • Umbria
    • Perugia Province
      • Spoleto
Stoppa.F., Wolley A.R. and Bailey K. (2004). Extrusive carbonatites and their meaning: the case of Italy. 32nd International Geological Congress, Florence - Italy, August 20-28, 2004, pag. 7-8. L. Terrazzi Ed., Firenze, 2004
    • Terni Province
Lupini, L., Williams, C.T., Woolley, A.R. (1992): Zr-rich garnet and Zr- and Th-rich perovskite from the Polino carbonatite, Italy. Mineralogical Magazine, 56, 581-586; F. Stoppa and Y. Liu, Eur. J. Mineral. , 1995, 7, pp. 391-402.; Stoppa, F., & Lupini, L. (1993). Mineralogy and petrology of the Polino monticellite calciocarbonatite (Central Italy). Mineralogy and Petrology, 49(3-4), 213-231.
Japan
 
  • Honshu Island
    • Chugoku Region
      • Okayama Prefecture
        • Takahashi City
          • Bicchu-cho (Bitchu-cho)
            • Fuka
(= titanium-rich andradite)
Mongolia
 
  • Ömnögovi Aimag
    • Shara Hulasa Hiid
Pavel M. Kartashov data
Morocco
 
  • Béni Mellal-Khénifra Region
    • Khénifra Province
      • Tamazeght Mountain Range
  • Drâa-Tafilalet Region
    • Er Rachidia Province (Errachidia Province)
various added photos
    • Ouarzazate Province
C Bracke collection
Norway
 
  • Telemark
    • Skien
Larsen, A.O. (1993): Gruver og skjerp i Skien. Stathelle 1993. 72p
Jamtveit B., Dahlgren S. and Austrheim H. (1997): High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway. American Mineralogist. 82 : 1241 - 1254
Russia
 
  • Irkutsk Oblast
L. Kogarko (1995) Alkaline Rocks and Carbonatites of the World: Part Two: Former USSR
P.M. Kartashov data
  • Krasnoyarsk Krai
    • Maimecha and Kotui Rivers Basin
Pavel M. Kartashov data
  • Murmansk Oblast
Chakhmouradian, A. R.; McCammon, C. A. (2005): Schorlomite: a discussion of the crystal chemistry, formula, and inter-species boundaries. Physics and Chemistry of Minerals 32, 277-289.
www.koeln.netsurf.de/~w.steffens/khib.htm
      • Kukisvumchorr Mt
Shlyukova Z.V. (1986) Mineralogy of contact formations of Khibina massif, - Moscow, Nauka, p. 96 (in Rus.)
Verhulst, A., Balaganskaya, E., Kirnarsky, Y., & Demaiffe, D. (2000). Petrological and geochemical (trace elements and Sr–Nd isotopes) characteristics of the Paleozoic Kovdor ultramafic, alkaline and carbonatite intrusion (Kola Peninsula, NW Russia). Lithos, 51(1), 1-25.
    • Northern Karelia
www.koeln.netsurf.de/~w.steffens/vuori.htm
Kogarko, L.N. et al (1995) Alkaline Rocks and Carbonatites of the World Vol 2.
    • Turii Cape
www.koeln.netsurf.de/~w.steffens/tury.htm; Keith Bell, Elizabeth Ann Dunworth, Andrei G. Bulakh, and Valeriy V. Ivanikov (1996) Alkaline rocks of the Turiy Peninsula, Russia, including type-locality turjaite and turjite; a review. Can Mineral, v. 34, p. 265-280
  • Sakha Republic (Yakutia)
[World of Stones 12:49]
Gałuskina, I.O., Gałuskin, E.V., Lazic, B., Armbruster, T., Dzierżanowski, P., Prusik, K., Wrzalik, R. (2010): Eringaite, Ca3Sc2(SiO4)3, a new mineral of the garnet group. Mineralogical Magazine, 74, 365-373.
  • Tuva
    • Sangilen Upland
http://webmineral.ru/deposits/item.php?id=234
South Africa
 
  • North West
    • Ngaka Modiri Molema District
VERWOERD, W.J. (1993) Update on carbonatites of South Africa and Namibia. South African Journal of Geology, 96(3), 75-95.
Sudan
 
  • An Nil al Azraq Wilayah
Ahmed Khidir Yagoub () Mineral Processing in Blue Nile. Scribd
Sweden
 
  • Västernorrland
    • Sundsvall
Kresten, P. (1990): The Alnø area (in Swedish). In: Lundqvist, T. (Ed.), Beskrivning Till Bergrundskartan Over Västernorrlands län. Sveriges Geologiska Undersökning, serie Ba, 31, 238–278
UK
 
  • Scotland
    • Highland
      • Ardnamurchan
Peter G. Embrey (1978) Fourth Supplementary List of British Minerals. Mineralogical Magazine 42:169-177
USA (TL)
 
  • Arkansas
    • Hot Spring Co.
Shepard CU: Amer.J.Sci. 2nd ser.(1846) 2, 249-254; Chakhmouradian, A. R.; McCammon, C. A. (2005): Schorlomite: a discussion of the crystal chemistry, formula, and inter-species boundaries. Physics and Chemistry of Minerals 32, 277-289.; Rocks and Minerals, (1976) 51:495-507
Rocks and Minerals, (1988) 63:104-125
American Mineralogist, Volume 7 4, pages 113-131, 1989
Rocks and Minerals, (1976) 51:495-507
Rocks and Minerals, (1988) 63:104-125
  • California
    • Humboldt Co.
      • Coastal Range
Czamanske, G.K., B.F. Leonard & J.R. Clark (1980), Erdite, a new hydrated sodium iron sulfide mineral: American Mineralogist: 65: 508; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 495; American Mineralogist: (1983) 68: 245-254.
  • Colorado
    • Gunnison Co.
      • White Earth District (Powderhorn District)
"Minerals of Colorado, updated & revised", p. 17, by Eckel, Edwin B., 1997
Mineral and/or Locality  
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