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Uzonite

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About UzoniteHide

03909040014947147717504.jpg
Chopper view from the south

Uzon Caldera, Kamchatka Krai, Russia
Formula:
As4S5
Colour:
Yellow
Lustre:
Pearly
Hardness:
Crystal System:
Monoclinic
Name:
Named by V.I. Popova and V.O. Pol'akov in 1985 after its discovery locality, Uzon caldera, Kamchatka peninsula, Russia.
This page provides mineralogical data about Uzonite.


Classification of UzoniteHide

Approved
Approval Year:
1984
2.FA.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
A : With As, (Sb), S
2.8.23.

2 : SULFIDES
8 : AmXp, with m:p = 1:1
3.7.7

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi

Physical Properties of UzoniteHide

Pearly
Transparency:
Transparent
Colour:
Yellow
Streak:
Yellow
Hardness:
1½ on Mohs scale
Cleavage:
Distinct/Good

Optical Data of UzoniteHide

Type:
Biaxial (+)
RI values:
nα = 2.380 nγ = 2.680
Max Birefringence:
δ = 0.300
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong

Chemical Properties of UzoniteHide

Formula:
As4S5

Crystallography of UzoniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 7.94 Å, b = 8.08 Å, c = 7.1 Å
β = 100.1°
Ratio:
a:b:c = 0.983 : 1 : 0.879
Unit Cell V:
448.44 ų (Calculated from Unit Cell)

Type Occurrence of UzoniteHide

Synonyms of UzoniteHide

Other Language Names for UzoniteHide

German:Uzonit
Russian:Узонит
Spanish:Uzonita

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Uzonite associated with AlacrániteAs8S9
2 photos of Uzonite associated with RealgarAs4S4

Related Minerals - Nickel-Strunz GroupingHide

2.FA.AnorpimentAs2S3Tric. 1 : P1
2.FA.BonazziiteAs4S4Mon. 2/m : B2/b
2.FA.05DuranusiteAs4SOrth. mmm (2/m 2/m 2/m) : Pmna
2.FA.10DimorphiteAs4S3Orth. mmm (2/m 2/m 2/m) : Pnma
2.FA.15bPararealgarAs4S4Mon. 2/m : P21/b
2.FA.15aRealgarAs4S4Mon. 2/m
2.FA.15dUM1970-18-S:AsAs4S4Mon. 2/m : B2/b
2.FA.20AlacrániteAs8S9Mon. 2/m : P2/b
2.FA.30LaphamiteAs2Se3Mon. 2/m
2.FA.30OrpimentAs2S3Mon. 2/m
2.FA.35GetchelliteAsSbS3Mon. 2/m : P21/b
2.FA.40Wakabayashilite[(As,Sb)6S9][As4S5]Orth. mm2 : Pna21

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.7.1PatróniteVS4Mon.
3.7.2DuranusiteAs4SOrth. mmm (2/m 2/m 2/m) : Pmna
3.7.3DimorphiteAs4S3Orth. mmm (2/m 2/m 2/m) : Pnma
3.7.4RealgarAs4S4Mon. 2/m
3.7.5PararealgarAs4S4Mon. 2/m : P21/b
3.7.6AlacrániteAs8S9Mon. 2/m : P2/b
3.7.8OrpimentAs2S3Mon. 2/m
3.7.9JeromiteAmor.
3.7.10LaphamiteAs2Se3Mon. 2/m
3.7.11GetchelliteAsSbS3Mon. 2/m : P21/b
3.7.12Wakabayashilite[(As,Sb)6S9][As4S5]Orth. mm2 : Pna21
3.7.13PääkköneniteSb2AsS2Mon. 2/m : B2/m
3.7.14StibniteSb2S3Orth. mmm (2/m 2/m 2/m)
3.7.15MetastibniteSb2S3Amor.
3.7.16TellurantimonySb2Te3Trig.
3.7.17BismuthiniteBi2S3Orth. mmm (2/m 2/m 2/m)
3.7.18NevskiteBi(Se,S)Trig.
3.7.19GuanajuatiteBi2Se3Orth. mmm (2/m 2/m 2/m) : Pnma
3.7.21IkunoliteBi4(S,Se)3Trig.
3.7.22LaitakariteBi4Se2STrig. 3m : R3m
3.7.23PoubaitePbBi2(Se,Te,S)4Trig.
3.7.24TellurobismuthiteBi2Te3Trig.
3.7.25SoučekitePbCuBi(S,Se)3Orth.
3.7.26TsumoiteBiTeTrig. 3m (3 2/m) : P3 1m
3.7.27PilseniteBi4Te3Trig. 3m (3 2/m) : R3m
3.7.28HedleyiteBi7Te3Trig. 3m (3 2/m) : R3m
3.7.29TetradymiteBi2Te2STrig. 3m (3 2/m) : R3m
3.7.30JoséiteBi4TeS2Trig. 3m (3 2/m) : R3m
3.7.31Joséite-BBi4Te2STrig. 3m (3 2/m) : R3m
3.7.32IngoditeBi2TeSTrig.
3.7.33SulphotsumoiteBi3Te2STrig.
3.7.34KawazuliteBi2Te2SeTrig.
3.7.36SkippeniteBi2TeSe2Trig.
3.7.37KochkaritePbBi4Te7Trig.
3.7.38RucklidgeitePbBi2Te4Trig.
3.7.39AleksitePbBi2Te2S2Trig.
3.7.40JunoiteCu2Pb3Bi8(S,Se)16Mon. 2/m : B2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for UzoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Whitfield, H.J. (1973) Crystal and molecular structure of tetra-arsenic pentasulphide. Journal of the Chemical Society, Dalton Transactions, Inorganic Chemistry: 1740-1742.
Popova, V.I., Pol'akov, V.O. (1985) Uzonite As4S5 — a new arsenic sulfide from Kamchatka. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 114: 369-373.
Hawthorne, F.C., Fleischer, M., Grew, E.S., Grice, J.D., Jambor, J.L., Puziewicz, J., Roberts, A.C., Vanko, D.A., Zilczer, J.A. (1986) New mineral names. American Mineralogist: 71: 1277-1282.
Bindi, L., Popova, V., Bonazzi, P. (2003) Uzonite, As4S5, from the type locality: single-crystal X-ray study and effects of exposure to light. Canadian Mineralogist: 41: 1463-1468.
Bonazzi, P., Bindi, L. (2008) A crystallographic review of arsenic sulfides: Effects of chemical variations and changes induced by exposure to light. Zeitschrift für Kristallographie: 223: 132-147.

Internet Links for UzoniteHide

Localities for UzoniteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Romania
 
  • Harghita
Kristály, F. & Szakáll, S. (2009): Mitt. Österr. Mineral. Ges. 155, 94. (Abs.)
Russia (TL)
 
  • Kamchatka Krai
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
 
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