Lindgrenite Mineral Data

Lindgrenite Mineral Data +

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General Lindgrenite Information

Chemical Formula:

Cu3(MoO4)2(OH)2

Composition:

Molecular Weight = 544.53 gm

Copper 35.01 % Cu 43.82 % CuO

Molybdenum 35.24 % Mo 52.87 % MoO₃

Hydrogen 0.37 % H 3.31 % H₂O

Oxygen 29.38 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu₃(MoO₄)₂(OH)₂

Environment:

Secondary mineral derived from copper and molybdenum-bearing sulfides.

IMA Status:

Valid Species (Pre-IMA) 1935

Locality:

Chuquicamata, Antofagasta, Chile. Link to MinDat.org Location Data.

Name Origin:

Named for Waldemar Lindgren (1860-1939), American mining geologist and teacher.

Synonym:

ICSD 30946

PDF 36-405

Lindgrenite Image

Images:

Lindgrenite

Comments: Transparent green plates of lindgrenite on matrix.
Location: Chuquicamata, Antofagasta, Chile. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Lindgrenite Crystallography

Axial Ratios:

a:b:c =0.4:1:0.3852

Cell Dimensions:

a = 5.613, b = 14.03, c = 5.405, Z = 2; beta = 98.383° V = 421.10 Den(Calc)= 4.29

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/n

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

By Intensity(I/I_o): 3.5(1), 4.15(0.55), 2.67(0.4),

Forms:

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Crystal Structure:

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Calvert L D , Barnes W H , The Canadian Mineralogist , 6 (1957) p.31-51, The structure of lindgrenite

View Additional jPOWD Structure files for Lindgrenite
[1]

Physical Properties of Lindgrenite

Cleavage:

[010] Perfect, [101] Indistinct, [100] Indistinct

Color:

Green, Yellow green.

Density:

4.26

Diaphaniety:

Transparent to Translucent

Habit:

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

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Greasy (Oily)

Streak:

light green

Optical Properties of Lindgrenite

Gladstone-Dale:

CI meas= -0.094 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.087 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2294,KPDmeas= 0.231,KC= 0.211

Optical Data:

Biaxial (-), a=1.93, b=2.002, g=2.02, bire=0.0900, 2V(Calc)=50, 2V(Meas)=71. Dispersion r > v.

Calculated Properties of Lindgrenite

Electron Density:

r_electron=3.99 gm/cc
note: r_Lindgrenite=4.29 gm/cc.

Fermion Index

Fermion Index = 0.08989
Boson Index = 0.91011

Photoelectric:

PE_Lindgrenite= 73.87 barns/electron
U=PE_Lindgrenite x r_electron= 294.47 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Lindgrenite is Not Radioactive

Lindgrenite Classification

Dana Class:

48.3.1.1 (48)Anhydrous Molybdates and Tungstates

(48.3)(Basic Anhydrous)

(48.3.1)Dana Group

48.3.1.1 Lindgrenite Cu3(MoO4)2(OH)2 P 2₁/n 2/m

Strunz Class:

VI/G.02-10 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/G - Molybdates [MoO4]2- and wolframates [WO4]2-

VI/G.02 - Lindgrenite - Phyllotungstite series

VI/G.02-05 Biehlite! (Sb,As)2MoO6 C 2/c 2/m

VI/G.02-10 Lindgrenite Cu3(MoO4)2(OH)2 P 2₁/n 2/m

VI/G.02-15 Szenicsite Cu3MoO4(OH)4 Pnnm, Pnn2 Ortho

VI/G.02-20 Cuprotungstite Cu3(WO4)2(OH)2 Unk Tetra

VI/G.02-25 Vergasovaite! Cu3O[(Mo,S)O4][SO4] P nma 2/m 2/m 2/m

VI/G.02-30 Ferrimolybdite Fe2(MoO4)3·8(H2O) Unk Ortho

VI/G.02-40 Phyllotungstite CaFe3H(WO4)6·10(H2O) P 222,Pmm2,P mmm Ortho

Other Lindgrenite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Lindgrenite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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

Lindgrenite

Cu3(MoO4)2(OH)2
Dana No: 48.3.1.1 Strunz No: VI/G.02-10
Locality:

Notes: