Lindqvistite Mineral Data

General Lindqvistite Information

Chemical Formula:

Pb2(Mn++,Mg)Fe+++16027

Composition:

Molecular Weight = 1,764.16 gm

Magnesium 0.96 % Mg 1.60 % MgO

Manganese 4.05 % Mn 5.23 % MnO

Iron 46.85 % Fe 66.98 % Fe₂O₃

Silicon 0.16 % Si 0.34 % SiO₂

Lead 23.49 % Pb 25.30 % PbO

Oxygen 24.49 % O

______ ______

100.00 % 99.46 % = TOTAL OXIDE

Empirical Formula:

Pb₂Mn²⁺_1.3Mg_0.7Fe³⁺_14.8Si_0.1O₂₇

Environment:

Regionally metamorphosed lead-bearing Fe-Mn skarn deposit.

IMA Status:

Approved IMA 1993

Locality:

Jokobsberg, Varmland, Sweden. Link to MinDat.org Location Data.

Name Origin:

Named for Bengt Lindqvist (1927-), formerly Senior Curator of the Swedish Museum of Natural History, Stockholm, Sweden.

Name Pronunciation:

Lindqvistite + Pronunciation

Synonym:

ICSD 74013

IMA1991-038

PDF 46-1461

Lindqvistite Image

Images:

Lindqvistite

Comments: Black-metallic grains of lindqvistite.
Location: Jakobsberg, Nordmark, VÃ¤rmland, Sweden. Scale: Box Size 4 x 6 cm.
© Sonke Stolze / Systematic Minerals

Lindqvistite Crystallography

Axial Ratios:

a:c = 1:5.60544

Cell Dimensions:

a = 5.951, c = 33.358, Z = 2; V = 1,023.08 Den(Calc)= 5.73

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

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

By Intensity(I/I_o): 2.624(1), 2.802(0.95), 2.612(0.9),

Crystal Structure:

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Holtstam D , Norrestam R , American Mineralogist , 78 (1993) p.1304-1312, Lindqvistite, Pb2MeFe16O27, a novel hexagonal ferrite mineral from Jakobsberg,, Filipstad, Sweden

Physical Properties of Lindqvistite

Cleavage:

{0001} Perfect

Color:

Black.

Density:

5.76

Diaphaneity:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

6 - Orthoclase

Luster:

Sub Metallic

Streak:

brownish black

Optical Properties of Lindqvistite

Optical Data:

Uniaxial (?).

NCalc= 2.48 - from Gladstone-Dale relationship (KC = 0.2589) where Ncalc=Dcalc*KC+1
NCalc= 2.49 - from Gladstone-Dale relationship (KC = 0.2589) where Ncalc=Dmeas*KC+1

RL Anisotrophism:

Moderate, in bluish gray to browns.

RL Bireflectance:

Weak.

RL Color:

Gray with a faint brownish tint.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Lindqvistite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	23.70	22.00
546 nm	22.70	21.50
589 nm	22.00	21.10
650 nm	21.30	20.70

**Calculated Relative Intensity Colors of Lindqvistite in Air**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%	420%
R₁
R₂

Calculated Properties of Lindqvistite

Electron Density:

Bulk Density (Electron Density)=5.24 gm/cc
note: Specific Gravity of Lindqvistite =5.73 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_Lindqvistite= 410.11 barns/electron
U=PE_Lindqvistite x rElectron Density=2,150.17 barns/cc.

Radioactivity:

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

Lindqvistite Classification

Dana Class:

07.11.15.01 (07)Multiple Oxides

(07.11)as titano-oxides with [4] and [6] substitutions

(07.11.15)Dana Group

07.11.15.01 Lindqvistite Pb2(Mn,Mg)Fe16027 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

04.CC.45 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.C - Metal:Oxygen = 2:3, 3:5, and Similar

04.CC -With large and medium-sized cations

04.CC.45 Hawthorneite Ba[Ti3Cr4Fe4Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Diaoyudaoite NaAl11O17 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Magnetoplumbite Pb(Fe,Mn)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Haggertyite! Ba[Fe6Ti5Mg]O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Batiferrite! Ba(Ti2Fe8Fe2)O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Nezilovite! PbZn2(Mn,Ti)2Fe8O19 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Lindqvistite Pb2(Mn,Mg)Fe16027 P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Plumboferrite Pb2Fe(11-x)MnxO19-2x(x=1/3) P 6₃/mmc 6/m 2/m 2/m

04.CC.45 Yimengite K(Cr,Ti,Fe,Mg)12O19 P 6₃/mmc 6/m 2/m 2/m

Other Lindqvistite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.78,p1304-1312,1993) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Lindqvistite :
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 Lindqvistite Specimen Label here :

Lindqvistite

Pb2(Mn++,Mg)Fe+++16027
Dana No: 07.11.15.01 Strunz No: 04.CC.45
Locality:

Notes: