Ingodite Mineral Data

Ingodite Mineral Data +

[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop

General Ingodite Information

Chemical Formula:

Bi(S,Te)

Composition:

Molecular Weight = 264.93 gm

Bismuth 78.88 % Bi

Tellurium 12.04 % Te

Sulfur 9.08 % S

______

100.00 %

Empirical Formula:

BiS_0.75Te_0.25

IMA Status:

Approved IMA 1981

Locality:

From the Ingoda deposit near the source of the Ingoda River, central Transbaikal. Link to MinDat.org Location Data.

Name Origin:

Named after the locality.

Search for Ingodite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Ingodite Crystallography

Axial Ratios:

a:c = 1:5.4661

Cell Dimensions:

a = 4.248, c = 23.22, Z = 6; V = 362.88 Den(Calc)= 7.27

Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: P 3m1

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

By Intensity(I/I_o): 3.11(1), 2.28(0.6), 2.13(0.5),

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

Bayliss P , American Mineralogist , 76 (1991) p.257-265, Crystal chemistry and crystallography of some minerals in the tetradymite group

Physical Properties of Ingodite

Cleavage:

[???] Perfect

Color:

Silver white.

Diaphaniety:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Hardness:

2.5 - Finger Nail

Luster:

Metallic

Optical Properties of Ingodite

RL Anisotrophism:

Moderate.

RL Pleochroism:

Noticeable in air, from creamy to grayish white.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Ingodite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
460 nm	55.50	51.40
540 nm	57.70	52.50
580 nm	57.80	52.40
660 nm	56.90	51.60

**Calculated Relative Intensity Colors of Ingodite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	180%
R₁
R₂

Calculated Properties of Ingodite

Electron Density:

r_electron=5.93 gm/cc
note: r_Ingodite=7.27 gm/cc.

Fermion Index

Fermion Index = 0.0103
Boson Index = 0.9897

Photoelectric:

PE_Ingodite=1,602.85 barns/electron
U=PE_Ingodite x r_electron=9,500.58 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ingodite is Not Radioactive

Ingodite Classification

Dana Class:

2.8.20.4 (2)Sulfides - Including Selenides and Tellurides

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

(2.8.20)Tsumoite Group (Trigonal: P3¯m1)

2.8.20.1 Tsumoite BiTe P 3m1 3 2/m

2.8.20.2 Sulphotsumoite Bi3Te2S P 3m1 3 2/m

2.8.20.3 Nevskite Bi(Se,S) P 3m1 3 2/m

2.8.20.4 Ingodite Bi(S,Te) P 3m1 3 2/m

2.8.20.5 Telluronevskite Bi3TeSe2 P 3m1 3 2/m

Strunz Class:

II/D.10-30 II - Sulfides and sulphosalts

II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold

II/D.10 - Tetradymite group, Nevskite - Tsumoite series

II/D.10-10 Nevskite Bi(Se,S) P 3m1 3 2/m

II/D.10-30 Ingodite Bi(S,Te) P 3m1 3 2/m

II/D.10-35 Sztrokayite* Bi3TeS2 Trig ? Trig

II/D.10-40 Sulphotsumoite Bi3Te2S P 3m1 3 2/m

II/D.10-50 Tsumoite BiTe P 3m1 3 2/m

II/D.10-55 Telluronevskite Bi3TeSe2 P 3m1 3 2/m

II/D.10-60 Protojoseite* Bi4TeS2(?) R 3m 3 2/m

II/D.10-70 Baksanite! Bi6Te2S3 P 3m1 3 2/m

Other Ingodite Information

References:

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

See Also:

Links to other databases for Ingodite :
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

Search for Ingodite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Ingodite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Ingodite Mineral Data :

Ask about Ingodite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Ingodite

Bi(S,Te)
Dana No: 2.8.20.4 Strunz No: II/D.10-30
Locality:

Notes: