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Raberite

A valid IMA mineral species
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01004170017271951584451.jpg
Raberite, etc.

Lengenbach Quarry, FƤld, Binn, Goms, Valais, Switzerland
01004170017271951584451.jpg
Raberite, etc.

Lengenbach Quarry, FƤld, Binn, Goms, Valais, Switzerland
01004170017271951584451.jpg
Raberite, etc.

Lengenbach Quarry, FƤld, Binn, Goms, Valais, Switzerland
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About RaberiteHide

08737020017271951582593.jpg
Thomas Raber
Formula:
Tl5Ag4As6SbS15
Colour:
Black
Lustre:
Metallic
Hardness:
2½ - 3
Specific Gravity:
5.649 (Calculated)
Crystal System:
Triclinic
Name:
Named in honour of Dr. Thomas Raber (b. 1966), a well-known mineral expert on the Lengenbach minerals for more than 20 years. He has analyzed several specimens from this deposit and has published many articles about Lengenbach minerals. He is currently (2012) Vice-President of the FGL (Forschungsgemeinschaft Lengenbach; literally: research association of Lengenbach).
This page provides mineralogical data about Raberite.


Unique IdentifiersHide

Mindat ID:
42792
Long-form identifier:
mindat:1:1:42792:0

Similar NamesHide

RibeiriteA variety of ZirconZr(SiO4)
RuberiteA synonym of Cuprite
RubriteFe3+(SO4)(OH) · H2O

IMA Classification of RaberiteHide

Classification of RaberiteHide

Strunz-mindat (2026):
2.LA.70

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
L : Unclassified Sulfosalts
A : Without essential Pb

Mineral SymbolsHide

As of 2021 there are now IMAā€“CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
RbrIMAā€“CNMNCWarr, L.N. (2021). IMAā€“CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of RaberiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Dark brown-red
Hardness:
2½ - 3 on Mohs scale
Hardness:
VHN10=50 - 55 kg/mm2 - Vickers
Tenacity:
Brittle
Density:
5.649 g/cm3 (Calculated)

Optical Data of RaberiteHide

Anisotropism:
Weak; grayish to light blue.
Bireflectance:
Moderately
Reflectivity:
WavelengthR1 (%)R2 (%)
471nm30.6%31.8%
548nm28.1%29.3%
586nm27.1%28.0%
652nm25.8%26.9%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 31.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Dark gray
Pleochroism:
Weak
Comments:
From light grey to a slightly greenish grey

Chemistry of RaberiteHide

Mindat Formula:
Tl5Ag4As6SbS15
Element Weights:
Element% weight
Tl40.784 %
S19.196 %
As17.941 %
Ag17.220 %
Sb4.859 %

Calculated from ideal end-member formula.
Elements listed:
Ag, As, S, Sb, Tl - search for minerals with similar chemistry

Crystallography of RaberiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.920(1) Å, b = 9.429(1) Å, c = 20.062(3) Å
α = 79.66(1)°, β = 88.84(1)°, γ = 62.72(1)°
Ratio:
a:b:c = 0.946 : 1 : 2.128
Unit Cell V:
1471.6 ƅĀ³
Z:
2

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019616RaberiteBindi L, Nestola F, Guastoni A, Peruzzo L, Ecker M, Carampin R (2012) Raberite, Ti5Ag4As6SbS15, a new Ti-bearing sulfosalt from Lengenbach quarry, Binn valley, Switzerland: description and crystal structure Mineralogical Magazine 76 1153-11632012Lengenbach quarry, Binn valley, Switzerland0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of RaberiteHide

Synonyms of RaberiteHide

Other Language Names for RaberiteHide

Dutch:Raberiet
German:Raberit

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Raberite associated with SmithiteAgAsS2

Related Minerals - Strunz-mindat GroupingHide

2.LA.ThunderbayiteTlAg3Au3Sb7S6Tric. 1 : P1
2.LA.AuerbakhiteMnTl2As2S5Orth.
2.LA.BiagioniiteTl2SbS2Mon. m : Pb
2.LA.Ferrofettelite[Ag6As2S7][Ag10FeAs2S8]Mon. 2 : B2
2.LA.GladkovskyiteMnTlAs3S6Trig. 3m : R3c
2.LA.10DervilliteAg2AsS2Mon. m : Pb
2.LA.15DaomaniteCuPtAsS2Orth.
2.LA.20VaughaniteTlHgSb4S7Tric.
2.LA.25CriddleiteTlAg2Au3Sb10S10Mon.
2.LA.30Fettelite[Ag6As2S7][Ag10HgAs2S8] Mon. 2 : B2
2.LA.35ChamƩanite(Cu,Fe)4As(Se,S)4Iso.
2.LA.40ArcubisiteAg6CuBiS4
2.LA.45MgriiteCu3AsSe3Iso. m3m(4/m32/m)
2.LA.50Benleonardite[Ag6(Sb,As)2S6Te][Ag9Cu(S,Te)2Te2]Trig. 3m(32/m) : P3m1
2.LA.55TsnigriiteAg9SbTe3S3Mon.
2.LA.60BorovskitePd3SbTe4Iso.
2.LA.65JonassoniteAuBi5S4Mon.
2.LA.65NuwaiteNi6GeS2Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.LA.65ButianiteNi6SnS2Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.LA.75SpaltiiteTl2Cu2As2S5Mon. 2/m : P21/b

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.

Internet Links for RaberiteHide

References for RaberiteHide

Localities for RaberiteHide

Showing 1 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ā“˜ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Switzerland (TL)
 
  • Valais
    • Goms
      • Binn
        • FƤld
Bindi et al. (2012) +1 other reference
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