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Vaesite

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Vaesite
Vaesite on a matrix
General
Category	Sulfide minerals
Formula (repeating unit)	Ni S₂
IMA symbol	Va
Crystal system	Isometric
Identification
Color	Black, silver-gray
Cleavage	Distinct/good {001}
Mohs scale hardness	4.5–5.5
Luster	Metallic
Streak	Black
Diaphaneity	Opaque
Specific gravity	4.45
References

Vaesite (Ni S₂) is a mineral found together with cattierite in the Democratic Republic of Congo. It is named after Johannes F. Vaes, a Belgian mineralogist. It is part of the pyrite group.

References

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.
^ "Vaesite". mindat.org. Retrieved 2021-12-17.
Kerr, Paul F. (1945). "Cattierite and Vaesite: New Co-Ni Minerals from the Belgian Kongo" (PDF). American Mineralogist. 30 (7–8): 483–492. ISSN 1945-3027. S2CID 51786115.

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Disulfides (S
₂) and polysulfides

H₂S₂

He

Li

Be

B

N

S₂O

S₂F₂

Ne

Mg

Al

Si

P

S₃

S₂Cl₂

Ar

K

Ca

Sc

VS₄

Cr

"CuS"

Zn

Ga

Ge

As

Se

S₂Br₂

Kr

Rb

Sr

Y

Zr

Nb

Mo

Tc

Rh

Pd

Ag

Cd

In

Sn

Sb₂S₅?

Te

S₂I₂

Xe

Cs

Ba

*

Lu

Hf

Ta

W

Re

Os

Ir

Pt

Au

Hg

Tl

Pb

Bi

Po

At

Rn

Fr

Ra

**

Lr

Rf

Db

Sg

Bh

Hs

Mt

Ds

Rg

Cn

Nh

Fl

Mc

Lv

Ts

Og

*

La

Ce

Pr

Nd

Pm

Sm

Eu

Gd

Tb

Dy

Ho

Er

Tm

Yb

**

Ac

Th

Pa

U

Np

Pu

Am

Cm

Bk

Cf

Es

Fm

Md

No

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