Lautenthalite Mineral Data

General Lautenthalite Information

Chemical Formula: PbCu++4(OH)6(SO4)2•3(H2O) Composition: Molecular Weight = 809.60 gm    Copper    31.40 %  Cu   39.30 % CuO    Hydrogen   1.49 %  H    13.35 % H₂O    Lead      25.59 %  Pb   27.57 % PbO    Sulfur     7.92 %  S    19.78 % SO₃    Oxygen    33.60 %  O             ______        ______              100.00 %      100.00 % = TOTAL OXIDE Empirical Formula: PbCu₄(OH)₆(SO₄)₂•3(H₂O) IMA Status: Approved IMA 1993 Locality: Lautenthal, Harz Mts, Germany. Link to MinDat.org Location Data. Name Origin: Named after the locality. Name Pronunciation: Lautenthalite + Pronunciation Synonym: IMA1983-029  

Search for Lautenthalite Images

Images:   

Lautenthalite Crystallography

Axial Ratios: a:b:c =3.5831:1:4.2119 Cell Dimensions: a = 21.642, b = 6.04, c = 25.44, Z = 8; beta = 108.2° V = 3,159.09 Den(Calc)= 3.40 Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c X Ray Diffraction: By Intensity(I/I_o): 5.14(1), 3.4(0.8), 4.53(0.6),  

Physical Properties of Lautenthalite

Cleavage: {???} Good Color: Blue green, Green, Greenish blue. Density: 3.84 Diaphaneity: Transparent Hardness: 2.5 - Finger Nail Luster: Vitreous (Glassy) Streak: white  

Optical Properties of Lautenthalite

Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.116 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2053,KPDmeas= 0.1818,KC= 0.1839
Ncalc = 1.63 - 1.71 Optical Data: Biaxial (-), a=1.659, b=1.703, g=1.732, bire=0.0730, 2V(Calc)=76, 2V(Meas)=78-79.  

Calculated Properties of Lautenthalite

Electron Density: Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Lautenthalite =3.84 gm/cc.
Fermion Index: Fermion Index = 0.05
Boson Index = 0.95 Photoelectric: PE_{Lautenthalite} = 435.45 barns/electron
U=PE_{Lautenthalite} x rElectron Density=1,561.41 barns/cc.
Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lautenthalite is Not Radioactive  

Lautenthalite Classification

Dana Class: 31.06.01.02 (31)Hydrated Sulfates Containing Hydroxyl or Halogen   (31.06)where (A+ B++)5 (XO4)2 Zq·x(H2O)   (31.06.01)Dana Group  

31.06.01.01 Devilline CaCu4(SO4)2(OH)6•3(H2O) P 2₁/c 2/m

 

31.06.01.02 Lautenthalite PbCu4(OH)6(SO4)2•3(H2O) P 2₁/c 2/m

Strunz Class: 07.DE.70 07 - SULFATES (SELENATES, TELLURATES)   07.D - Sulfates (selenates, etc.) with additional anions, with H2O   07.DE -With only medium-sized cations; unclassified  

07.DE.70 Lautenthalite PbCu4(OH)6(SO4)2•3(H2O) P 2₁/c 2/m

 

Other Lautenthalite Information

References: PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19) See Also: Links to other databases for Lautenthalite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Lautenthalite :

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

Ask about Lautenthalite 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 Lautenthalite Specimen Label here :