Toyohaite Mineral Data

Advertisment

Our Mission is Simple: RMS will be the go-to portal for all mineral, gem and rock shows in the USA

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Exceptional Minerals features excellent, high quality mineral specimens for sale. We also have a weekly Best Offer Mineral Auction.

General Toyohaite Information

Chemical Formula:

Ag2FeSn3S8

Composition:

Molecular Weight = 884.24 gm

Iron 6.32 % Fe

Silver 24.40 % Ag

Tin 40.28 % Sn

Sulfur 29.01 % S

______

100.00 %

Empirical Formula:

Ag₂Fe²⁺Sn₃S₈

Environment:

Minor ore mineral.

IMA Status:

Approved IMA 1991

Locality:

Toyoha mine, Sapporo, Japan. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Toyohaite + Pronunciation

Synonym:

IMA1989-007

Toyohaite Image

Images:

Toyohaite

Comments: Acicular needles of metallic toyohaite on matrix.
Location: Pirquitas (sector Oploca, level 7 1/4), Jujuy, Argentina. Scale: Specimen size 7.1 x 5.6 x 3.4 cm.
© Rob Lavinsky

Images:

Toyohaite

Comments: B&:W image showing checkered twins of toyohaite. (Mineralogical Journal, v15:222).
Location: Toyoha mine, SW Sapporo City, Hokkaido, Japan. Scale: Scale Bar 50µm.
© Mineralogical Journal

Toyohaite Crystallography

Axial Ratios:

a:c = 1:1.44694

Cell Dimensions:

a = 7.464, c = 10.8, Z = 2; V = 601.68 Den(Calc)= 4.88

Crystal System:

Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 4₁/a

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

By Intensity(I/I_o): 3.21(1), 2.03(0.35), 3.72(0.35),

Physical Properties of Toyohaite

Color:

Gray.

Density:

4.94

Diaphaneity:

Opaque

Hardness:

4 - Fluorite

Luster:

Metallic

Calculated Properties of Toyohaite

Electron Density:

Bulk Density (Electron Density)=4.39 gm/cc
note: Specific Gravity of Toyohaite =4.88 gm/cc.

Fermion Index:

Fermion Index = 0.07
Boson Index = 0.93

Photoelectric:

PE_Toyohaite= 188.68 barns/electron
U=PE_Toyohaite x rElectron Density= 828.88 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Toyohaite is Not Radioactive

Toyohaite Classification

Dana Class:

02.10.03.02 (02)Sulfides - Including Selenides and Tellurides

(02.10)where Am Bn Xp, with (m+n):p=3:4

(02.10.03)Dana Group

02.10.03.01 Rhodostannite Cu2FeSn3S8 I 4₁/a 4/m

02.10.03.02 Toyohaite Ag2FeSn3S8 I 4₁/a 4/m

Strunz Class:

02.DA.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.D - Metal Sulfides, M:S = 3:4 and 2:3

02.DA -M:S = 3:4

02.DA.10 Rhodostannite Cu2FeSn3S8 I 4₁/a 4/m

02.DA.10 Toyohaite Ag2FeSn3S8 I 4₁/a 4/m

Other Toyohaite Information

References:

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.77,p1117,1992)

See Also:

Links to other databases for Toyohaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Toyohaite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Toyohaite :

A Bijoux Google Search for Toyohaite
Adam's Minerals Google Search for Toyohaite
Cape Minerals Google Search for Toyohaite
Dakota Matrix Minerals Google Search for Toyohaite
Excalibur Mineral Corp. Google Search for Toyohaite
Exceptional Minerals Google Search for Toyohaite
John Betts Fine Minerals Search for Toyohaite
McDougall Minerals Google Search for Toyohaite
Mineral News Website Link
Rock and Mineral Shows Google Search for Toyohaite
Weinrich Minerals, Inc. Google Search for Toyohaite

Ask about Toyohaite 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 Toyohaite Specimen Label here :

Toyohaite

Ag2FeSn3S8
Dana No: 02.10.03.02 Strunz No: 02.DA.10
Locality:

Notes: