Wagnerite

This article is about a mineral. For followers of Richard Wagner, see Wagnerism. For a member of the paramilitary Wagner Group, see Wagner Group.
Wagnerite
General
CategoryPhosphate mineral
Formula(Mg,Fe2+)2PO4F
IMA symbolWag[1]
Strunz classification8.BB.15
Dana classification41.6.2.1
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
Space groupP21/a’’
Identification
ColorYellow, grayish, red, reddish brown, brown, green
Crystal habitElongate and striated prisms, tabular, massive
Cleavage{100} imperfect, {120} imperfect
FractureSub-conchoidal, splintery
TenacityBrittle
Mohs scale hardness5–5.5
LusterVitreous, resinous
DiaphaneityTranslucent, nearly opaque
Specific gravity3.15
Density3.15 (measured), 3.15 (calculated)
Optical propertiesBiaxial (+), colorless (transmitted light)
PleochroismNone
2V angle25°–35° (measured)
SolubilitySoluble in acids
References[2][3][4]

Wagnerite is a mineral, a combined phosphate and fluoride of iron and magnesium, with the formula (Mg,Fe2+)2PO4F.[2][3] It occurs in pegmatite associated with other phosphate minerals.[4] It is named after Franz Michael von Wagner (1768–1851), a German mining official in Munich.[2]

References

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ a b c Mindat – Wagnerite
  3. ^ a b Webmineral – Wagnerite
  4. ^ a b "Handbook of Mineralogy – Wagnerite" (PDF). Archived from the original (PDF) on 2012-06-21. Retrieved 2013-01-25.

Bibliography

  • Palache, P.; Berman H.; Frondel, C. (1960). "Dana's System of Mineralogy, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. (Seventh Edition)" John Wiley and Sons, Inc., New York, pp. 845–847.
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