Lindgrenite Mineral Data

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.

Name Pronunciation:

Lindgrenite + Pronunciation

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 - Prismatic H-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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Forms: ( 0 1 0) ( 1 0 0) ( 1 2 1)

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Physical Properties of Lindgrenite

Cleavage:

{010} Perfect, {101} Indistinct, {100} Indistinct

Color:

Green, Yellow green.

Density:

4.26

Diaphaneity:

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
Ncalc = 1.9 - 1.91

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:

Bulk Density (Electron Density)=3.99 gm/cc
note: Specific Gravity of Lindgrenite =4.29 gm/cc.

Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Photoelectric:

PE_Lindgrenite= 73.87 barns/electron
U=PE_Lindgrenite x rElectron Density= 294.47 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lindgrenite is Not Radioactive

Lindgrenite Classification

Dana Class:

48.03.01.01 (48)Anhydrous Molybdates and Tungstates

(48.03)(Basic Anhydrous)

(48.03.01)Dana Group

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

Strunz Class:

07.GB.05 07 - SULFATES (SELENATES, TELLURATES)

07.G - Molybdates, Wolframates and Niobates

07.GB -With additional anions and/or H2O

07.GB.05 Lindgrenite Cu3(MoO4)2(OH)2 P 2₁/n 2/m

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 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Lindgrenite

Cu3(MoO4)2(OH)2
Dana No: 48.03.01.01 Strunz No: 07.GB.05
Locality:

Notes:

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