Zincolivenite Explained

Zincolivenite
Category:Arsenate mineral
Formula:CuZn(AsO4)(OH)
Imasymbol:Zoli[1]
Strunz:8.BB.30
Dana:41.06.06.06
System:Orthorhombic
Class:Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Symmetry:Pnnm
Unit Cell:a = 8.5839(15) Å
b = 8.5290(13) Å
c = 5.9696(9) Å; Z = 4
Color:Green, greenish blue
Habit:Prismatic crystals, radiating
Cleavage:Perfect on, imperfect on
Fracture:Conchoidal
Tenacity:Brittle
Mohs:3.5
Luster:Vitreous
Streak:White
Diaphaneity:Translucent
Gravity:4.33
Opticalprop:Biaxial (-)
Refractive:nα = 1.736(2) nβ = 1.784(2) nγ = 1.788(2)
Birefringence:0.052
Pleochroism:Weak X = light bluish green, Y = Z = light blue
2V:Measured: 30°
Dispersion:r > v, very strong
Extinction:Parallel extinction
References:[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]

Notes and References

  1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.
  2. http://www.mindat.org/min-31502.html Mindat.org - Zincolivenite Data
  3. http://webmineral.com/data/Zincolivenite.shtml Webmineral - Zincolivenite Data