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Kingstonite

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Formula:
(Rh,Ir,Pt)3S4
Lustre:
Metallic
Specific Gravity:
7.52 (Calculated)
Crystal System:
Monoclinic
Name:
For Gordon Kingston (formerly of Cardiff University, Wales, UK) in recognition of his contributions to platinum group element mineralogy and the geology of their mineral deposits.
This page provides mineralogical data about Kingstonite.


Hide all sections | Show all sections

Classification of KingstoniteHide

Approved
Approval Year:
1993
2.DA.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4

Physical Properties of KingstoniteHide

Metallic
Transparency:
Opaque
Streak:
black
Hardness:
VHN25=871 - 920 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
parallel to [001]
Fracture:
Sub-Conchoidal
Density:
7.52 g/cm3 (Calculated)

Optical Data of KingstoniteHide

Type:
Anisotropic
Anisotropism:
weak to moderate in dull greys and browns
Bireflectance:
weak
Colour in reflected light:
pale slightly brownish grey
Internal Reflections:
none
Pleochroism:
Weak

Chemical Properties of KingstoniteHide

Formula:
(Rh,Ir,Pt)3S4
IMA Formula:
Rh3S4
Idealised Formula:
Rh3S4

Crystallography of KingstoniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 10.4616 Å, b = 10.7527 Å, c = 6.2648 Å
β = 109°
Ratio:
a:b:c = 0.973 : 1 : 0.583
Unit Cell V:
666.34 ų
Z:
6

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.156 (100)
3.081 (100)
2.957 (90)
2.234 (60)
1.941 (50)
1.871 (80)
1.791 (90)
Comments:
Format: d/Å (I) (hkl)

Type Occurrence of KingstoniteHide

Synonyms of KingstoniteHide

Other Language Names for KingstoniteHide

Simplified Chinese:单斜硫铑矿
Traditional Chinese:單斜硫銠礦

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ferrorhodsite1 photo of Kingstonite associated with Ferrorhodsite on mindat.org.
Isoferroplatinum1 photo of Kingstonite associated with Isoferroplatinum on mindat.org.
Laurite1 photo of Kingstonite associated with Laurite on mindat.org.
Osmium1 photo of Kingstonite associated with Osmium on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.DA.05BornhardtiteCo2+Co3+2Se4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05CarrolliteCu(Co,Ni)2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05Cuproiridsite(Cu,Fe)Ir2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05Cuprorhodsite(Cu,Fe)Rh2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05DaubréeliteFe2+Cr3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05FletcheriteCu(Ni,Co)2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05Florensovite(Cu,Zn)Cr1.5Sb0.5S4
2.DA.05GreigiteFe2+Fe3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05InditeFeIn2S4
2.DA.05KalininiteZnCr2S4
2.DA.05LinnaeiteCo2+Co3+2S4Iso.
2.DA.05MalaniteCu(Pt3+,Ir3+)2S4Iso.
2.DA.05PolydymiteNi2+Ni3+2S4Iso.
2.DA.05SiegeniteCoNi2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05TrüstedtiteNi3Se4Iso.
2.DA.05TyrrelliteCu(Co3+,Ni3+)2Se4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05ViolariteFe2+Ni3+2S4Iso.
2.DA.05Xingzhongite(Pb,Cu,Fe)(Ir,Pt,Rh)2S4Iso.
2.DA.05Ferrorhodsite(Fe,Cu)(Rh,Ir,Pt)2S4Iso.
2.DA.05CadmoinditeCdIn2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05CuprokalininiteCuCr2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.10RhodostanniteCu2FeSn3S8Tet. 4/m : I41/a
2.DA.10ToyohaiteAg2FeSn3S8Tet.
2.DA.15BrezinaiteCr3S4Mon. 2/m
2.DA.15Heideite(Fe,Cr)1.15(Ti,Fe)2S4Mon. 2/m
2.DA.20InaglyiteCu3Pb(Ir,Pt)8S16Hex.
2.DA.20KonderiteCu3Pb(Rh,Pt,Ir)8S16Hex. 6/m : P6/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 KingstoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Stanley, C.J., A.J. Criddle, J. Spratt, A.C. Roberts, J.T. Szymanski, M.D. Welch (2005): "Kingstonite, (Rh,Ir,Pt)3S4, a new mineral species from Yubdo, Ethiopia", Mineralogical Magazine: 69(4): 447-453.

Internet Links for KingstoniteHide

Localities for KingstoniteHide

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
Ethiopia (TL)
 
  • Oromia Region (Oromiya Region)
    • Gimbi
      • Yubdo District (Joubdo District; Youbdo District; Joubda District)
C. J. Stanley et al.: Mineralogical Magazine 69(4):447-453 (2005)
Mineral and/or Locality  
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