Libethenite Mineral Data

Libethenite Mineral Data
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General Libethenite Information

Help on Chemical Formula: Chemical Formula: Cu2(PO4)(OH)
Help on Composition: Composition: Molecular Weight = 239.07 gm
   Copper      53.16 %  Cu   66.55 % CuO
   Phosphorus  12.96 %  P    29.69 % P2O5
   Hydrogen     0.42 %  H     3.77 % H2O
   Oxygen      33.46 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu2(PO4)(OH)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1823
Help on Locality: Locality: Lubietova (German Livethen), Czechoslovakia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Libethenite + Pronunciation Say LIBETHENITE
Help on Synonym: Synonym: Chinoite
  ICSD 120445
  PDF 36-404
 

Libethenite Image

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Libethenite

Comments: Rich pine green crystals of libethenite on matrix.
Location: Tyrone, Grant Co., New Mexico. USA. Scale: Crystal size to 2mm.
© John Veevaert
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Libethenite

Comments: Dark to light green pseudo-octahedral crystals of libethenite to 1.5mm on matrix.
Location: KOV pit, Kolwezi, Katanga, Congo. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Libethenite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9591:1:0.6998
Help on Cell Dimensions: Cell Dimensions: a = 8.1, b = 8.445, c = 5.91, Z = 4; V = 404.27 Den(Calc)= 3.93
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.63(1), 4.81(1), 5.85(0.9),
Help on Forms: Forms:

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Forms: ( 1 1 1) ( 0 1 0) ( 0 1 1) ( 1 1 0) ( 1 0 0) ( 1 0 1)

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Cordsen A , The Canadian Mineralogist , 16 (1978) p.153-157, A crystal-structure refinement of libethenite

 

Physical Properties of Libethenite

Help on Cleavage: Cleavage: {100} Indistinct, {010} Indistinct
Help on Color: Color: Green, Dark green, Blackish green, Light olive green, Dark olive green.
Help on Density: Density: 3.6 - 4, Average = 3.8
Help on Diaphaneity: Diaphaneity: Translucent to subtranslucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Help on Habit: Habit: Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 4 - Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: light green
 

Optical Properties of Libethenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.088 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.052 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1897,KPDmeas= 0.1961,KC= 0.1803
Ncalc = 1.65 - 1.72
Help on Optical Data: Optical Data: Biaxial (-), a=1.702, b=1.745, g=1.789, bire=0.0870, 2V(Calc)=88, 2V(Meas)=80-90. Dispersion relatively strong.
Help on Pleochroism (x): Pleochroism (x): n.
 

Calculated Properties of Libethenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.75 gm/cc
note: Specific Gravity of Libethenite =3.93 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001612483
Boson Index = 0.9998387517
Help on Photoelectric: Photoelectric: PELibethenite = 24.11 barns/electron
U=PELibethenite x rElectron Density= 90.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Libethenite is Not Radioactive
 

Libethenite Classification
Help on Dana Class: Dana Class: 41.06.06.02 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.06)where (A)2 (XO4) Zq
  (41.06.06)Olivenite Group
 
41.06.06.01 Olivenite Cu2AsO4(OH) P 21/n 2/m
 
41.06.06.02 Libethenite Cu2(PO4)(OH) Pnnm 2/m 2/m 2/m
 
41.06.06.03 Adamite Zn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
 
41.06.06.04 Eveite Mn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
 
41.06.06.05 Zincolibethenite! CuZn(PO4)OH Pnnm 2/m 2/m 2/m
 
41.06.06.06 Zincolivenite! CuZn(AsO4)(OH) Pnnm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 08.BB.30 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BB -With only medium-sized cations, (OH, etc.):RO4 £ 1:1
 
08.BB.30 Eveite Mn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
 
08.BB.30 Adamite Zn2(AsO4)(OH) Pnnm 2/m 2/m 2/m
 
08.BB.30 Libethenite Cu2(PO4)(OH) Pnnm 2/m 2/m 2/m
 
08.BB.30 Olivenite Cu2AsO4(OH) P 21/n 2/m
 
08.BB.30 Zincolibethenite! CuZn(PO4)OH Pnnm 2/m 2/m 2/m
 
08.BB.30 Zincolivenite! CuZn(AsO4)(OH) Pnnm 2/m 2/m 2/m
 

Other Libethenite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Libethenite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - MinMax(Deutsch)
12 - MinMax(English)
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST
17 - theimage

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

Libethenite

Cu2(PO4)(OH)
Dana No: 41.06.06.02 Strunz No: 08.BB.30
Locality:

 

Notes: