Schäferite (original) (raw)

A valid IMA mineral species

About SchäferiteHide

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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.

This page provides mineralogical data about Schäferite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:7279:9

d3d3a5d6-9e9b-44dd-a842-8ab9948fb714

IMA Classification of SchäferiteHide

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Type description reference:

Classification of SchäferiteHide

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8.AC.25

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

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Physical Properties of SchäferiteHide

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Density:

3.40 g/cm3 (Measured) 3.43 g/cm3 (Calculated)

Optical Data of SchäferiteHide

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Chemistry of SchäferiteHide

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Mindat Formula:

(NaCa2)Mg2(VO4)3

Crystallography of SchäferiteHide

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Class (H-M):

m_3_m _(_4/_m_32/m ) - Hexoctahedral

Cell Parameters:

a = 12.427(2) Å

Unit Cell V:

1,919.11 ų (Calculated from Unit Cell)

Morphology:

Mainly {112}, with {100} and {110} also present.

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of SchäferiteHide

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General Appearance of Type Material:

Orange-red, euhedral crystals, up to 0.15 mm across.

Place of Conservation of Type Material:

Institut für Mineralogie, Ruhr-Universität Bochum, Germany.

Geological Setting of Type Material:

Silicate-rich xenolith in leucite tephrite lava.

Associated Minerals at Type Locality:

Reference:

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.

Synonyms of SchäferiteHide

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Other Language Names for SchäferiteHide

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Relationship of Schäferite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of SchäferiteHide

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Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SchäferiteHide

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References for SchäferiteHide

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Reference List:

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

Localities for SchäferiteHide

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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

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Germany
Rhineland-Palatinate Mayen-Koblenz Mendig Bell ⓘ Rothenberg Quarry	Blaß et al. (2013)
Pellenz Nickenich Nickenicher Sattel ⓘ Nickenichite-bearing fumarole	Blass et al. (2006)
ⓘ Nickenicher Weinberg	Schäfer (2021)
Vordereifel ⓘ Bellerberg volcano	Blaß et al. (2003)
Ettringen ⓘ Caspar quarry (TL)	Krause et al. (1999) +1 other reference
Greece
Attica East Attica Lavreotiki Lavrion slag localities ⓘ Liebenbergite slag dump	Kolitsch et al. (2014) +2 other references
Russia
Kamchatka Krai Milkovsky District Tolbachik Volcanic field ⓘ Great Fissure eruption (Main Fracture)	Pekov et al. (2013)
ⓘ Northern Breakthrough (North Breach)	Pavel M. Kartashov analytical data (2012)
Second scoria cone ⓘ Arsenatnaya fumarole	Pekov et al. (2022) +1 other reference
Spain
Canary Islands Santa Cruz de Tenerife Province Tenerife Candelaria Barranco Hondo ⓘ Lava flow	Dill et al. (2023)
ⓘ Centinela	Dill et al. (2023)
ⓘ Los Humilladeros	Dill et al. (2023)