Tin Mineral Data

Tin Mineral Data +

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General Tin Information

Chemical Formula:

Composition:

Molecular Weight = 118.71 gm

Tin 100.00 % Sn

______

100.00 %

Empirical Formula:

Environment:

In placer sands(Oban, Australia) and in calcite as discrete grains (Beaverlodge, Canada).

IMA Status:

Valid Species (Pre-IMA) Prehistoric

Locality:

Original locality lost in antiquity. Isolated localites world wide. Link to MinDat.org Location Data.

Name Origin:

A word of Old English origin, related to the Dutch tin and the German zinn.

Synonym:

ICSD 40037

PDF 4-673

Tin Image

Images:

Tin

Comments: Stream rounded silvery metallic tin grains.
Location: Near Oban, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Images:

Tin Sorosite Stistaite

Comments: Back-scattered electron image of large sorosite crystal (So=partly skeletal) adjacent to stistaite (St). Tn=native tin. Note abundant microcrystals of sorosite isolated within native tin. (AmMin 83:903).
Location: Baimka gold-platinum group mineral placer deposit, Chukotka, Russian Far East. Scale: Image Size 1.5 cm.
© American Mineralogist

Tin Crystallography

Axial Ratios:

a:c = 1:0.5457

Cell Dimensions:

a = 5.831, c = 3.182, Z = 4; V = 108.19 Den(Calc)= 7.29

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 4₁/amd

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

By Intensity(I/I_o): 2.915(1), 2.793(0.9), 2.017(0.74),2.062(0.34), 1.484(0.23), 1.205(0.2), 1.442(0.2),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Sample known as white tin

Physical Properties of Tin

Cleavage:

[???] Indistinct

Color:

Grayish white, Tin white.

Density:

7.31

Diaphaniety:

Opaque

Fracture:

Malleable - Deforms rather than breaking apart with a hammer.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

2 - Gypsum

Luminescence:

Non-fluorescent.

Luster:

Metallic

Magnetism:

Nonmagnetic

Streak:

gray white

Optical Properties of Tin

RL Anisotrophism:

Moderate.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Tin in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	76.30	72.70
420 nm	79.40	74.20
440 nm	81.90	75.80
460 nm	84.00	77.60
480 nm	85.50	79.20
500 nm	86.70	80.50
520 nm	87.50	81.40
540 nm	88.10	81.90
560 nm	88.20	82.00
580 nm	88.00	81.90
600 nm	87.70	81.50
620 nm	87.20	81.10
640 nm	86.70	80.70
660 nm	86.30	80.40
680 nm	85.80	80.10
700 nm	85.40	79.80

**Calculated Relative Intensity Colors of Tin in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%
R₁
R₂

Calculated Properties of Tin

Electron Density:

r_electron=6.14 gm/cc
note: r_Tin=7.29 gm/cc.

Fermion Index

Fermion Index = 0.1662
Boson Index = 0.8338

Photoelectric:

PE_Tin= 326.76 barns/electron
U=PE_Tin x r_electron=2,006.65 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tin is Not Radioactive

Tin Classification

Dana Class:

1.1.13.1 (1)Native Elements

(1.1)with metallic elements other than the platinum group

(1.1.13)Dana Group

1.1.13.1 Tin Sn I 4₁/amd 4/m 2/m 2/m

Strunz Class:

I/A.05-30 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.05 - Lead series

I/A.05-10 Indium In I 4/mmm 4/m 2/m 2/m

I/A.05-20 Lead Pb F m3m 4/m 3 2/m

I/A.05-30 Tin Sn I 4₁/amd 4/m 2/m 2/m

Other Tin Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)

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Tin

Sn
Dana No: 1.1.13.1 Strunz No: I/A.05-30
Locality:

Notes: