Herzenbergite Mineral Data

Herzenbergite Mineral Data +

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General Herzenbergite Information

Chemical Formula:

SnS

Composition:

Molecular Weight = 150.78 gm

Tin 78.73 % Sn

Sulfur 21.27 % S

______

100.00 %

Empirical Formula:

SnS

Environment:

Of hydrothermal origin, later than the deposition of cassiterite.

IMA Status:

Valid Species (Pre-IMA) 1934

Locality:

In the Maria-Teresa mine, near Huari, between Oruro and Uyuni, Bolivia. Link to MinDat.org Location Data.

Name Origin:

For Robert Herzenberg (1885-?), German chemist of Oruro, Bolivia.

Synonym:

ICSD 24376

PDF 39-354

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Herzenbergite Crystallography

Axial Ratios:

a:b:c =0.3872:1:0.3559

Cell Dimensions:

a = 4.33, b = 11.18, c = 3.98, Z = 4; V = 192.67 Den(Calc)= 5.20

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbnm

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

By Intensity(I/I_o): 2.793(1), 1.399(0.7), 2.831(0.25),

Crystal Structure:

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Schnering H G , Wiedemeier H , Zeitschrift fur Kristallographie , 156 (1981) p.143-150, The high temperature structure of beta-SnS and beta-SnSe, and the B16-to-B33 type gamma-transition path, Sample: T = 905 K, Locality: synthetic

Physical Properties of Herzenbergite

Cleavage:

[010] Good

Color:

Gray, Black.

Density:

5.197

Diaphaniety:

Opaque

Hardness:

2 - Gypsum

Luster:

Metallic

Streak:

brown black

Optical Properties of Herzenbergite

RL Anisotrophism:

Intense in oil, with yellow to red colors.

RL Color:

White, with internal reflections in dark red-brown.

RL Pleochroism:

Very low, light to darker blue-white.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Herzenbergite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	45.90	52.90
420 nm	45.60	53.60
440 nm	45.20	53.80
460 nm	44.60	53.20
480 nm	44.00	52.20
500 nm	43.70	51.20
520 nm	43.60	50.60
540 nm	43.20	49.90
560 nm	42.30	48.80
580 nm	41.40	47.60
600 nm	40.70	46.60
620 nm	40.30	45.80
640 nm	40.00	45.00
660 nm	39.90	44.20
680 nm	39.60	43.70
700 nm	39.30	43.10

**Calculated Relative Intensity Colors of Herzenbergite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	220%
R₁
R₂

Calculated Properties of Herzenbergite

Electron Density:

r_electron=4.55 gm/cc
note: r_{Herzenbergite}=5.20 gm/cc.

Fermion Index

Fermion Index = 0.13244
Boson Index = 0.86756

Photoelectric:

PE_{Herzenbergite}= 248.86 barns/electron
U=PE_{Herzenbergite} x r_electron=1,132.91 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Herzenbergite is Not Radioactive

Herzenbergite Classification

Dana Class:

2.8.23.1 (2)Sulfides - Including Selenides and Tellurides

(2.8)where Am Bn Xp, with (m+n):p=1:1

(2.8.23)Dana Group

2.8.23.1 Herzenbergite SnS Pbnm 2/m 2/m 2/m

Strunz Class:

II/C.17-10 II - Sulfides and sulphosalts

II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1

II/C.17 - Hertzenbergite - Kylindrite series

II/C.17-10 Herzenbergite SnS Pbnm 2/m 2/m 2/m

II/C.17-20 Stistaite SnSb R 3m 3 2/m

II/C.17-30 Mohite Cu2SnS3 P1 1

II/C.17-40 Teallite PbSnS2 Pbnm 2/m 2/m 2/m

II/C.17-45 Suredaite! PbSnS3 P nma 2/m 2/m 2/m

II/C.17-50 Potosiite Pb6Sn2FeSb2S14 P 1 ? 1

II/C.17-55 Levyclaudite Pb8Sn7Cu3(Bi,Sb)3S28 A2 ? 2

II/C.17-60 Incaite Pb4Sn4FeSb2S15 P1 ? 1

II/C.17-70 Franckeite (Pb,Sn)6FeSn2Sb2S14 P1 1

II/C.17-80 Cylindrite Pb3Sn4FeSb2S14 P1 1

Other Herzenbergite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Herzenbergite :
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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Herzenbergite

SnS
Dana No: 2.8.23.1 Strunz No: II/C.17-10
Locality:

Notes: