Molybdomenite Mineral Data

Molybdomenite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[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 Molybdomenite Information

Help on Chemical Formula: Chemical Formula: PbSeO3
Help on Composition: Composition: Molecular Weight = 334.16 gm
   Lead      62.01 %  Pb   66.79 % PbO
   Selenium  23.63 %  Se   33.21 % SeO2
   Oxygen    14.36 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbSeO3
Help on Environment: Environment: Alteration product of clausthalite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1882
Help on Locality: Locality: Cerro de Cachueta, Mendoza, Argentina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition of lead (Greek - molybdos) and selenium (Greek - mene "moon").
Help on Name Pronunciation: Name Pronunciation: Molybdomenite + Pronunciation Say MOLYBDOMENITE
Help on Synonym: Synonym: ICSD 9380
  Kerstenite - (of Dana) = molybdomenite
  PDF 15-462
 

Search for Molybdomenite Images

Click Here To Search 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.
  

Molybdomenite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.2518:1:0.8211
Help on Cell Dimensions: Cell Dimensions: a = 6.86, b = 5.48, c = 4.5, Z = 2; beta = 112.7° V = 156.06 Den(Calc)= 7.11
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.756(1), 3.32(0.9), 3.43(0.7),
Click Here for Large Molybdomenite Structure Window 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


Pasero M , Rotiroti N , Neues Jahrbuch fur Mineralogie, Monatshefte , 2003 (2003) p.145-152, The crystal structure of molybdomenite, PbSeO3, Locality: El Dragon mine, Potosi, Bolivia

 

Physical Properties of Molybdomenite

Help on Cleavage: Cleavage: {001} Good, {h0l} Fair
Help on Color: Color: Colorless, Yellowish white.
Help on Density: Density: 7.07
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Pearly
Help on Streak: Streak: white
 

Optical Properties of Molybdomenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.041 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1589,KPDmeas= 0.1598,KC= 0.1536
Ncalc = 2.09
Help on Optical Data: Optical Data: Biaxial (-), a=2.12, g=2.14, bire=0.0200, 2V(Meas)=80.
 

Calculated Properties of Molybdomenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.96 gm/cc
note: Specific Gravity of Molybdomenite =7.11 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEMolybdomenite =1,155.81 barns/electron
U=PEMolybdomenite x rElectron Density=6,885.95 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Molybdomenite is Not Radioactive
 

Molybdomenite Classification
Help on Dana Class: Dana Class: 34.01.01.01 (34)Selenites - Tellurites - Sulfites
  (34.01)as A++ XO3
  (34.01.01)Dana Group
 
34.01.01.01 Molybdomenite PbSeO3 P 21/m 2/m
 
34.01.01.02 Scotlandite PbSO3 P 2/m 2/m
Help on Strunz Class: Strunz Class: 04.JF.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JF -Selenites without additional anions, without H2O
 
04.JF.05 Molybdomenite PbSeO3 P 21/m 2/m
 

Other Molybdomenite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Molybdomenite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Molybdomenite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Molybdomenite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Molybdomenite Mineral Data :

Ask about Molybdomenite 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 Espaņol

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

Molybdomenite

PbSeO3
Dana No: 34.01.01.01 Strunz No: 04.JF.05
Locality:

 

Notes: