Yeatmanite Mineral Data

General Yeatmanite Information

Chemical Formula:

Mn++9Zn6Sb+++++2Si4O28

Composition:

Molecular Weight = 1,690.61 gm

Manganese 29.25 % Mn 37.76 % MnO

Zinc 23.21 % Zn 28.89 % ZnO

Silicon 6.65 % Si 14.22 % SiO₂

Antimony 14.40 % Sb 19.13 % Sb₂O₅

Oxygen 26.50 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mn²⁺₉Zn₆Sb₂Si₄O₂₈

Environment:

Metamorphosed, weathered Zn-Mn deposit.

IMA Status:

Valid Species (Pre-IMA) 1938

Locality:

Franklin and Sterling Hill, Sussex County, New Jersey, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Pope Yeatman (1861-1953), U. S. Mining engineer.

Name Pronunciation:

Yeatmanite + Pronunciation

Synonym:

ICSD 40367

PDF 35-457

Yeatmanite Image

Images:

Yeatmanite

Comments: BSE image of willemite (Wil), unaltered yeatmanite (Yeat) and alteration phase (Alt).
Location: Garpenberg Norra mine in Dalarna County, Sweden. (CanMin, v41:201). Scale: See Image.
© Canadian Mineralogist

Yeatmanite Crystallography

Axial Ratios:

a:b:c =0.483:1:0.7807

Cell Dimensions:

a = 5.604, b = 11.602, c = 9.058, Z = 1; alpha = 92.167°, beta = 100.9°, gamma = 77.3° V = 563.75 Den(Calc)= 4.98

Crystal System:

Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 2.969(1), 2.587(0.6), 2.782(0.6),

Physical Properties of Yeatmanite

Cleavage:

{100} Good

Color:

Clove brown.

Density:

4.91 - 5.02, Average = 4.96

Fracture:

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

Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Habit:

Platy - Sheet forms (e.g. micas).

Hardness:

4 - Fluorite

Luster:

Vitreous (Glassy)

Streak:

pale brown

Optical Properties of Yeatmanite

Gladstone-Dale:

CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1783,KPDmeas= 0.1789,KC= 0.1789
Ncalc = 1.88 - 1.9

Optical Data:

Biaxial (-), a=1.864, b=1.895, g=1.905, bire=0.0410, 2V(Calc)=58, 2V(Meas)=52. Dispersion r > v.

Calculated Properties of Yeatmanite

Electron Density:

Bulk Density (Electron Density)=4.62 gm/cc
note: Specific Gravity of Yeatmanite =4.97 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Yeatmanite= 65.43 barns/electron
U=PE_Yeatmanite x rElectron Density= 302.45 barns/cc.

Radioactivity:

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

Yeatmanite Classification

Dana Class:

44.03.06.01 (44)Antimonates

(44.03)with miscellaneous formulae

(44.03.06)Dana Group

44.03.06.01 Yeatmanite Mn9Zn6Sb2Si4O28 P1 1

Strunz Class:

09.AE.45 09 - SILICATES (Germanates)

09.A - Nesosilicates

09.AE -Nesosilicates with additional (O,OH,F,H2O);

09.AE.45 Yeatmanite Mn9Zn6Sb2Si4O28 P1 1

Other Yeatmanite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

See Also:

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

Search for Yeatmanite using:

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

Visit our Advertisers for Yeatmanite :

Ask about Yeatmanite 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 Yeatmanite Specimen Label here :

Yeatmanite

Mn++9Zn6Sb+++++2Si4O28
Dana No: 44.03.06.01 Strunz No: 09.AE.45
Locality:

Notes:

Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.