Leucophosphite

Leucophosphite
Hureaulite, leucophosphite. Locality: White Elephant Mine, Cicero Peak, Pringle, Custer District, Custer County, South Dakota, US (Locality at mindat.org). Size: small cabinet, 9.8 × 5.4 × 3.4 cm.
General
Category	Phosphate mineral
Formula (repeating unit)	KFe^+32(PO4)2(OH)·2H2O[1]
IMA symbol	Lpp[2]
Identification
Color	White to greenish, buff, yellow-brown, orange-brown, pink, greenish brown, brownish purple[1]
Fracture	Monoclinic[1]
Mohs scale hardness	3.5[1]

Leucophosphite is a phosphatic mineral derived from guano (bird or bat excrement).^[1]

References

1. "Leucophosphite". mindat.org. Retrieved 10 August 2019.
2. 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.