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Reinerite

Rare arsenite (arsenate(III)) mineral

Field	Value
name	Reinerite
category	arsenite
image	Reinerite, Legrandite, Adamite-1126654.jpg
strunz	4.JA.10
formula	Zn3(AsO3)2
IMAsymbol	Rnr
system	Orthorhombic
class	Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
symmetry	Pbam (no. 55)
unit cell	a = 6.092 Å, b = 14.407 Å
c = 7.811 Å; Z = 4
V = 685.55
a:b:c = 0.423 : 1 : 0.542
color	Sky blue, yellow green
habit	Rough striated pseudohexagonal crystals
cleavage	Good on {110}, {011} and {111}
mohs	5 - 5.5
luster	Vitreous to adamantine
refractive	nα = 1.740 nβ = 1.790 nγ = 1.820
opticalprop	Biaxial (-)
birefringence	Maximum δ = 0.080
gravity	4.27
diaphaneity	Transparent
other	Relief: very high
references

H-M symbol: (2/m 2/m 2/m) c = 7.811 Å; Z = 4 V = 685.55 a:b:c = 0.423 : 1 : 0.542

Reinerite is a rare arsenite (arsenate(III)) mineral with chemical formula Zn3(AsO3)2. It crystallizes in the orthorhombic crystal system.

Physical properties

Reinerite is most commonly found as a sky blue colored mineral, however, it may also be a light yellowish green color. Reinerite has a relative hardness of 5 to 5.5 on the Mohs Scale which is equivalent to that of a knife blade and or shard of glass. It has a density of 4.27 g/cm3,

Environment

Reinerite develops in dolomite-hosted locations. It is known especially from Namibia, Africa, within the mines of Tsumeb. At the Tsumeb location, Reinerite develops within the polymetallic lead-zinc-copper deposit, 800 m below the surface, in the second oxidation zone. It occurs in association with chalcocite, bornite, willemite, smithsonite, hydrozincite, hemimorphite, adamite, olivenite and gebhardite.

History

Reinerite was first described in 1958 for an occurrence in the Tsumeb Mine, Tsumeb, Namibia and named for senior chemist Willy Reiner (1895–1965) of Tsumeb Corporation, who analyzed this mineral.

References

Warr, L.N.. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine.
[http://webmineral.com/data/Reinerite.shtml Webmineral data]
[http://www.handbookofmineralogy.org/pdfs/reinerite.pdf Handbook of Mineralogy]
[http://www.mindat.org/min-3386.html Mindat.org]
[http://www.minsocam.org/ammin/AM62/AM62_1129.pdf American Mineralogist]
and it exhibits a nonmetallic luster that may be described as glassy or vitreous.Lutgens, Frederick, and Edward Tarbuck. Essentials of Geology. 10th. Upper Saddle River, New Jersey: Pearson Prentice Hall, 2009. 42. Print.

Info: Wikipedia Source

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arsenic-minerals zinc-minerals orthorhombic-minerals minerals-in-space-group-55 minerals-described-in-1958

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