Zincolivenite

(repeating unit)CuZn(AsO4)(OH)IMA symbolZoli[1]Strunz classification8.BB.30Dana classification41.06.06.06Crystal systemOrthorhombicCrystal classDipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)Space groupPnnmUnit cella = 8.5839(15) Å
b = 8.5290(13) Å
c = 5.9696(9) Å; Z = 4IdentificationColorGreen, greenish blueCrystal habitPrismatic crystals, radiatingCleavagePerfect on {010}, imperfect on {101}FractureConchoidalTenacityBrittleMohs scale hardness3.5LusterVitreousStreakWhiteDiaphaneityTranslucentSpecific gravity4.33Optical propertiesBiaxial (-)Refractive indexnα = 1.736(2) nβ = 1.784(2) nγ = 1.788(2)Birefringence0.052PleochroismWeak X = light bluish green, Y = Z = light blue2V angleMeasured: 30°Dispersionr > v, very strongExtinctionParallel extinctionReferences[2][3]

Zincolivenite is a copper zinc arsenate mineral with formula CuZn(AsO4)(OH) that is a member of the olivenite group. Its colors range from green to blue, and its name comes from its composition of zinc and olivenite.[2]

It was first described from St Constantine, Lavrion District Mines, Laurium, Attica, Greece. It was approved by the International Mineralogical Association in 2006.[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.org - Zincolivenite Data
  3. ^ Webmineral - Zincolivenite Data


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