| |
 |
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+1.3Mg0.7Fe3+14.8Si0.1O27 |
| 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 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 Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
| X Ray Diffraction: |
By Intensity(I/Io): 2.624(1), 2.802(0.95), 2.612(0.9), |
| |
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: |
PELindqvistite = 410.11 barns/electron
U=PELindqvistite 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
Search for Lindqvistite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Lindqvistite :
Ask about Lindqvistite 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
Espańol
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:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.
