Ximengite is a phosphate mineral discovered in and named for the Ximeng tin-mining district in China. Chemically, it is bismuth phosphate

Ximengite
General
CategoryPhosphate minerals
Formula
(repeating unit)
BiPO4
IMA symbolXim[1]
Strunz classification8.AD.45
Crystal systemTrigonal
Crystal classTrapezohedral (32)
H-M symbol: (32)
Space groupP3121 or P3221
Identification
Formula mass303.95 g/mol
ColorColorless
Mohs scale hardness4.5
LusterVitreous - Greasy
DiaphaneityTransparent
Specific gravity5.53
References[2][3]

References

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  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. ^ Ximengite mineral data from Webmineral
  3. ^ Mindat.org