Lawsonbauerite Mineral Data + Say LAWSONBAUERITE

Masons Minerals
[Thumbnails] [Miniatures] [Cabinets] [About Us] [FAQ]
Welcome To Mason's Minerals
Your Source for Beautiful Minerals and Crystals
We offer a no-questioned-asked Satisfaction Guarantee

General Lawsonbauerite Information

Help on Chemical  Formula: Chemical Formula: (Mn,Mg)9Zn4(SO4)2(OH)22·8(H2O)
Help on Composition: Composition: Molecular Weight = 1,398.82 gm
   Magnesium   6.95 %  Mg   11.53 % MgO
   Manganese  23.56 %  Mn   30.43 % MnO
   Zinc       18.70 %  Zn   23.27 % ZnO
   Hydrogen    2.74 %  H    24.47 % H2O
   Sulfur      4.58 %  S    11.45 % SO3
   Oxygen     43.46 %  O
             ______        ______ 
             100.00 %      101.14 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+6Mg4Zn4(SO4)2(OH)22·8(H2O)
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Synonym: Synonym: ICSD 31188
  PDF 33-873
 

Search for Lawsonbauerite 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.

  

Lawsonbauerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0892:1:1.7022
Help on Cell Dimensions: Cell Dimensions: a = 10.5, b = 9.64, c = 16.41, Z = 2; beta = 95.21° V = 1,654.16 Den(Calc)= 2.81
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.457(1), 3.876(0.48), 2.768(0.36),
Click Here for Large Lawsonbauerite 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


Treiman A H , Peacor D R , American Mineralogist , 67 (1982) p.1029-1034, The crystal structure of lawsonbauerite, (Mn,Mg)9Zn4(SO4)2(OH)22.8H2O,, and its relation to mooreite

 

Physical Properties of Lawsonbauerite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, White.
Help on Density: Density: 2.87
Help on Diaphaniety: Diaphaniety: Transparent to Translucent
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Streak: Streak: white
 

Optical Properties of Lawsonbauerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.059 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.039 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2146,KPDmeas= 0.2101,KC= 0.2232
Help on Optical Data: Optical Data: Biaxial (-), a=1.59, b=1.608, g=1.611, bire=0.0210, 2V(Calc)=44, 2V(Meas)=42.
 

Calculated Properties of Lawsonbauerite

Help on Electron Density: Electron Density:

relectron=2.78 gm/cc
note: rLawsonbauerite =2.81 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.01517
Boson Index = 0.98483
Help on Photoelectric: Photoelectric:

PELawsonbauerite = 15.43 barns/electron
U=PELawsonbauerite x relectron= 42.90 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Lawsonbauerite is Not Radioactive

 

Lawsonbauerite Classification

Help on  Dana Class: Dana Class: 31.1.4.2 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.1)where (A+ B++)m (XO4)p Zq·x(H2O), where m:p>6:1
  (31.1.4)Dana Group
 
31.1.4.1 Torreyite (Mg,Mn)9Zn4(SO4)2(OH)22·8(H2O) P 21/a 2/m
 
31.1.4.2 Lawsonbauerite (Mn,Mg)9Zn4(SO4)2(OH)22·8(H2O) P 21/c 2/m
Help on  Strunz Class: Strunz Class: VI/D.04-30 VI - Sulfates,Chromates,Molybdates and Tungstates
  VI/D - Water-bearing sulfates with unfamiliar anions. cations of medium size
  VI/D.04 - Mooreite - Hauckite series
 
VI/D.04-10 Mooreite (Mg,Zn,Mn)15(SO4)2(OH)26·8(H2O) P 21/a 2/m
 
VI/D.04-20 Torreyite (Mg,Mn)9Zn4(SO4)2(OH)22·8(H2O) P 21/a 2/m
 
VI/D.04-30 Lawsonbauerite (Mn,Mg)9Zn4(SO4)2(OH)22·8(H2O) P 21/c 2/m
 
VI/D.04-50 Hauckite (Mg,Mn)24Zn18Fe3(SO4)4(CO3)2(OH)81(?) P 6/mmm 6/m 2/m 2/m
 

Other Lawsonbauerite Information

Help on References: References: 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 Lawsonbauerite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 - Franklin Minerals(Dunn) 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris

Search for Lawsonbauerite using:

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

Visit our Advertisers for Lawsonbauerite :

AA Mineral Specimens
B & L Fine Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
Heliodor
John Betts Fine Minerals
Mason's Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz
T G Fine Minerals
Wrights Rock Shop

Translate Lawsonbauerite Mineral Data :

Ask about Lawsonbauerite 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 Lawsonbauerite Specimen Label here :

Lawsonbauerite

(Mn,Mg)9Zn4(SO4)2(OH)22·8(H2O)
Dana No: 31.1.4.2 Strunz No: VI/D.04-30
Locality:

 

Notes:

 

 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links