Zincmelanterite

Zincmelanterite is a mineral, a sulfate of zinc, copper and iron with the chemical formula (Zn,Cu,Fe)SO₄·7H₂O. It is a soft monoclinic yellow green mineral with Mohs hardness of 2 and a specific gravity of 2.02.

Zincmelanterite
General
Category	Sulfate minerals
Formula (repeating unit)	(Zn,Cu,Fe)SO4·7H2O
IMA symbol	Zmln^[1]
Strunz classification	7.CB.35
Crystal system	Monoclinic
Crystal class	Prismatic (2/m) (same H-M symbol)
Space group	P21/c
Identification
Color	Pale greenish-blue, yellow-green, apple-green
Luster	Vitreous
References	^[2]

It was discovered in 1920 in the Vulcan mining district of Gunnison County, Colorado, United States, and is named for its zinc content and its resemblance to melanterite.^[3]

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. Mindat
3. Webmineral data