Samsonite Mineral Data

Samsonite Mineral Data +

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General Samsonite Information

Chemical Formula:

Ag4MnSb2S6

Composition:

Molecular Weight = 922.31 gm

Manganese 5.96 % Mn

Silver 46.78 % Ag

Antimony 26.40 % Sb

Sulfur 20.86 % S

______

100.00 %

Empirical Formula:

Ag₄Mn³⁺Sb₂S₆

IMA Status:

Valid Species (Pre-IMA) 1910

Locality:

Samson Vein of Andreasberg silver mines, Harz Mountains, Germany. Link to MinDat.org Location Data.

Name Origin:

Named after its location.

Synonym:

ICSD 38360

PDF Nov-74

Samsonite Image

Images:

Samsonite

Comments: Black, prismatic crystal of samsonite in matrix.
Location: St. Andreasberg, Harz, Lower Saxony, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Samsonite Crystallography

Axial Ratios:

a:b:c =1.2782:1:0.8211

Cell Dimensions:

a = 10.29, b = 8.05, c = 6.61, Z = 2; beta = 92.79° V = 546.89 Den(Calc)= 5.60

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/n

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.2(1), 3.01(0.9), 2.59(0.6),

Forms:

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Forms: [ 2 1 0] [ 1 0 3] [ 1 2 0] [ 1 0 1] [ 1 1 0] [ 1 0 1]

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Crystal Structure:

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Edenharter A , Nowacki W , Zeitschrift fur Kristallographie , 140 (1974) p.87-99, Verfeinerung der kristallstruktur von samsonit (SbS3)2Ag2Ag2Mn, Locality: Andreasberg, Harz, Germany

Physical Properties of Samsonite

Cleavage:

None

Color:

Black, Steel black.

Density:

5.51

Diaphaniety:

Subtranslucent to Opaque

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

2.5 - Finger Nail

Luster:

Sub Metallic

Streak:

dark red

Calculated Properties of Samsonite

Electron Density:

r_electron=4.99 gm/cc
note: r_Samsonite=5.60 gm/cc.

Fermion Index

Fermion Index = 0.00156
Boson Index = 0.99844

Photoelectric:

PE_Samsonite= 209.61 barns/electron
U=PE_Samsonite x r_electron=1,046.15 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Samsonite is Not Radioactive

Samsonite Classification

Dana Class:

3.4.12.1 (3)Sulfides - Sulfosalts

(3.4)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(3.4.12)Dana Group

3.4.12.1 Samsonite Ag4MnSb2S6 P 2/n 2/m

Strunz Class:

II/E.07-50 II - Sulfides and sulphosalts

II/E - Sulfosalts (S : As,Sb,Bi = x) Sulfosalts with predominant Silver, x = 6.0 - 1.6

II/E.07 - Proustite - Samsonite series

II/E.07-10 Proustite Ag3AsS3 R 3c 3 2/m

II/E.07-20 Pyrargyrite Ag3SbS3 R 3c 3m

II/E.07-30 Xanthoconite Ag3AsS3 A2/a 2/m

II/E.07-40 Pyrostilpnite Ag3SbS3 P 2₁/c 2/m

II/E.07-50 Samsonite Ag4MnSb2S6 P 2/n 2/m

II/E.07-60 Quadratite! Ag(Cd,Pb)AsS3 I 4/amd 4/m 2/m 2/m

Other Samsonite Information

References:

NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Samsonite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Print or Cut-and-Paste your Samsonite Specimen Label here :

Samsonite

Ag4MnSb2S6
Dana No: 3.4.12.1 Strunz No: II/E.07-50
Locality:

Notes: