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Schäferite

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Schäferite

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Schäferite, etc.

Rothenberg, Bell, Mendig, Eifel, Rhineland-Palatinate, Germany
Schäferite

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Schäferite

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Schäferite, etc.

Rothenberg, Bell, Mendig, Eifel, Rhineland-Palatinate, Germany
Schäferite

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Schäferite

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Schäferite, etc.

Rothenberg, Bell, Mendig, Eifel, Rhineland-Palatinate, Germany
Formula:
NaCa2Mg2(VO4)3
System:
Isometric
Colour:
Orange-red
Lustre:
Vitreous
Hardness:
5
Name:
Named after Helmut Schäfer (b. 1931), amateur mineralogist of Mayen-Kürrenberg, specialist in the minerals of the Eifel volcanic area, who discovered the mineral
Garnet Group.


Classification of Schäferite

IMA status:
Approved
Approval Year:
1997
Strunz 8th ed.:
7/A.08-45
Nickel-Strunz 10th (pending) ed.:
8.AC.25

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th ed.:
38.2.1.4

Physical Properties of Schäferite

Lustre:
Vitreous
Colour:
Orange-red
Streak:
Yellow
Hardness (Mohs):
5

Optical Data of Schäferite

Type:
Isotropic

Chemical Properties of Schäferite

IMA Formula:
NaCa2Mg2(VO4)3
Elements listed in formula:
Ca, Mg, Na, O, V - search for minerals with similar chemistry

Crystallography of Schäferite

Crystal System:
Isometric

Type Occurrence of Schäferite

Type Locality:
Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Relationship of Schäferite to other Species

Member of:
Garnet Structural Group
Other Members of Group:
AlmandineFe32+Al2(SiO4)3
AndraditeCa3Fe23+(SiO4)3
Berzeliite(NaCa2)Mg2(AsO4)3
Bitikleite Group
BlythiteMn32+Mn23+[SiO4]3
Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
GoldmaniteCa3V23+(SiO4)3
GrossularCa3Al2(SiO4)3
HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4
HutcheoniteCa3Ti2(SiAl2)O12
IrinarassiteCa3Sn2Al2SiO12
KatoiteCa3Al2(SiO4)3-x(OH)4x
KerimasiteCa3Zr2(SiO4)(Fe3+O4)2
KhohariteMg3Fe23+(SiO4)3
KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3
KnorringiteMg3Cr2(SiO4)3
MajoriteMg3(Fe2+,Si,Al)2(SiO4)3
Menzerite-(Y){(Y,REE),(Ca,Fe2+)}3{(Mg,Fe2+),(Fe3+,Al)}2[SiO4]3
Momoiite(Mn2+,Ca)3V23+(SiO4)3
MorimotoiteCa3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3
Palenzonaite(Ca,Na)3CaMn22+(VO4)3
PyropeMg3Al2(SiO4)3
SchorlomiteCa3(Ti,Fe3+)2((Si,Fe3+)O4)3
SkiagiteFe32+Fe23+[SiO4]3
SpessartineMn32+Al2(SiO4)3
ToturiteCa3Sn2(SiO4)(Fe3+O4)2
UM1984-37-SiO:CrMnMn32+(Cr3+,Mn3+)2Si3O12
UvaroviteCa3Cr2(SiO4)3
YafsoaniteCa3Zn3(TeO6)2
Related Minerals - Nickel-Strunz Grouping):
8.AC.WopmayiteCa6Na3◻Mn(PO4)3(PO3OH)4
8.AC.05HowardevansiteNaCu2+Fe23+(VO4)3
8.AC.10Alluaudite(Na,Ca)(Mn,Mg,Fe2+)(Fe3+,Mn2+)2(PO4)3
8.AC.10Arseniopleite(Ca,Na)NaMn2+(Mn2+,Mg,Fe2+)2(AsO4)3
8.AC.10Caryinite(Na,Pb)(Ca,Na)CaMn22+(AsO4)3
8.AC.10FerroalluauditeNaFe2+Fe23+(PO4)3
8.AC.10HagendorfiteNaCaMn2+Fe22+(PO4)3
8.AC.10JohilleriteNaCuMg3(AsO4)3
8.AC.10Maghagendorfite(Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3
8.AC.10Nickenichite(Na,Ca,Cu)1.6(Mg,Fe3+,Al)3(AsO4)3
8.AC.10VaruliteNaCaMn32+(PO4)3
8.AC.10FerrohagendorfiteNaCaFe2+Fe22+(PO4)3
8.AC.10BradaczekiteNaCu4(AsO4)3
8.AC.10YazganiteNaMgFe23+(AsO4)3 · H2O
8.AC.10GroatiteNaCaMn2(PO4)[PO3(OH)]2
8.AC.15BobfergusoniteNa2Mn52+Fe3+Al(PO4)6
8.AC.15Ferrowyllieite(Na,Ca,Mn2+)2Fe22+Al(PO4)3
8.AC.15QingheiiteNa2Mn2+MgAl(PO4)3
8.AC.15RosemaryiteNaMn2+Fe3+Al(PO4)3
8.AC.15Wyllieite(Na,Ca,Mn2+,◻)2Mn22+Al(PO4)3
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3
8.AC.15Qingheiite-(Fe2+)Na2Fe2+MgAl(PO4)3
8.AC.18ManitobaiteNa16Mn252+Al8(PO4)30
8.AC.20MarićiteNaFe2+PO4
8.AC.25BerzeliiteNaCa2Mg2(AsO4)3
8.AC.25ManganberzeliiteNaCa2Mn22+(AsO4)3
8.AC.25PalenzonaiteNaCa2Mn22+(VO4)3
8.AC.30BrianiteNa2CaMg(PO4)2
8.AC.35Vitusite-(Ce)Na3Ce(PO4)2
8.AC.40OlgiteNa(Na,Sr)2Ba(PO4)2
8.AC.40Bario-olgiteNa(Na,Sr,Ce)2Ba(PO4)2
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(PO3OH)
8.AC.45WhitlockiteCa9Mg(PO4)6(PO3OH)
8.AC.45MerrilliteCa9NaMg(PO4)7
8.AC.45TuiteCa3(PO4)2
8.AC.45FerromerrilliteCa9NaFe(PO4)7
8.AC.45BobdownsiteCa9Mg(PO4)6(PO3F)
8.AC.50ChladniiteNa2CaMg7(PO4)6
8.AC.50FillowiteNa2CaMn72+(PO4)6
8.AC.50JohnsomervilleiteNa10Ca6Mg18Fe252+(PO4)36
8.AC.50GalileiiteNaFe42+(PO4)3
8.AC.50Stornesite-(Y)Na6(Ca5Na3)YMg43(PO4)36
8.AC.50XenophylliteNa4Fe7(PO4)6
8.AC.55HarrisoniteCaFe62+(SiO4)2(PO4)2
8.AC.60KosnariteKZr2(PO4)3
8.AC.65Panethite(Na,Ca,K)1-x(Mg,Fe2+,Mn)PO4
8.AC.70StanfielditeCa4Mg5(PO4)6
8.AC.75RonneburgiteK2MnV4O12
8.AC.80TillmannsiteHgAg3VO4
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8
Related Minerals - Dana Grouping):
38.2.1.1BerzeliiteNaCa2Mg2(AsO4)3
38.2.1.2ManganberzeliiteNaCa2Mn22+(AsO4)3
38.2.1.3PalenzonaiteNaCa2Mn22+(VO4)3

Other Names for Schäferite

Synonyms:

IMA1997-048

Name in Other Languages:
German:Schäferit
Spanish:Schäferita

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 Schäferite

Reference List:
Krause, W., Blaß, G. and Effenberger, H. (1999): Schäferite, a new vanadium garnet from the Bellberg volcano, Eifel, Germany. Neues Jahrbuch für Mineralogie, Monatshefte 1999, 123-134.

Nakatsuka, A., Ikuta, Y., Yoshiasa, A., Iishi, K. (2003): Vanadate garnet, Ca2NaMg2V3O12. Acta Crystallographica, C59, i133-i135.

Internet Links for Schäferite

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https://www.mindat.org/min-7279.html
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    • Localities for Schäferite

    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.
    Germany
     
    • Rhineland-Palatinate
      • Eifel
        • Andernach
          • Nickenich
            • Nickenicher Sattel (Eicher Sattel)
    		Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
        • Mayen
          • Ettringen
            • Bellerberg volcano
    		Krause, W., Blass, G., Effenberger, H., Schäferit, a new vanadium garnet from the Bellerberg volcano, Eifel, Germany, N. Jb. Miner. Mh. 1999 (3), 123-134
        • Mendig
          • Bell
    		Blaß, G. & Kruijen, F. (2013): Die Mineralogischen Neuigkeiten aus der Vulkaneifel. Mineralien-Welt 24 (3), 33-41.
    Greece
     
    • Attikí Prefecture (Attica; Attika)
      • Lavrion District (Laurion; Laurium)
        • Lavrion District slag localities
          • Agios Konstantinos [St Constantine] (Kamariza)
    		Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (II). Mineralien-Welt 25 (2), 82-95 (in German).; Koshlyakova, N.N., Zubkova, N.V., Pekov, I.V., Giester, G., Pushcharovsky, D.Yu., Chukanov, N.V., Voudouris, P., Magganas, A., Katerinopoulos, A. (2016): Crystal chemistry of a Ni-Mg-analogue of lyonsite from slags of Lavrion, Greece. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geochemistry 193, 113-120; Koshlyakova, N.N., Zubkova, N.V., Pekov, I.V., Giester, G., Pushcharovsky, D.Yu., Chukanov, N.V., Voudouris, P., Magganas, A., Katerinopoulos, A. (2017): Crystal chemistry of vanadate garnets from old metallurgical slags of Lavrion, Greece. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geochemistry, 194, 19-25.
    Mineral and/or Locality  
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