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Lueshite

Pictures (6 Images total)

Lueshit
Views (Image: 1258156988): 1635
Lueshit

Größe: 06x06x06 mm; Fundort: Lueshe Mine, Nord-Kivu, DR Kongo

Copyright: Rob Lavinsky
Contribution: slugslayer 2009-11-14
Locality: Lueshe / Nord-Kivu, Provinz / Demokratische Republik Kongo
Lueshit x
Views (Image: 1103455121): 1602
Lueshit x

ca. 6 mm Kantenlänge; Fundort: Lueshe Mine, Nord-Kivu, Zaire (Typlokalität)

Collection: berthold
Copyright: berthold
Contribution: Mineralienatlas 2004-12-19
Locality: Lueshe / Nord-Kivu, Provinz / Demokratische Republik Kongo
Lueshit
Views (Image: 1360801252): 772
Lueshit

Bildbreite: ca. 5 mm, Fundort: Kovdor, Kola-Halbinsel, Murmansk, Russland

Copyright: Dan Weinrich
Contribution: thdun5 2013-02-14
Locality: Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Lueshit von Alcala, Teneriffa
Views (Image: 1555432997): 298
Lueshit von Alcala, Teneriffa

Deformierter Würfel in Nephelin-Syenit. Begleiter sind Aegirin und Vermiculit. Bildbreite 1,5 mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2019-04-16
Locality: Alcala / Teneriffa / Kanarische Inseln / Spanien
Lueshit von Alcala, Teneriffa
Views (Image: 1563540166): 362
Lueshit von Alcala, Teneriffa

Schwarzes Kristallkumulat in Nephelin-Syenit. Bildbreite 1 mm

Collection: humboldt
Copyright: humboldt
Contribution: humboldt 2019-07-19
Locality: Alcala / Teneriffa / Kanarische Inseln / Spanien
Fluorapophyllit-Na mit Lueschit von Playa de la Enramada
Views (Image: 1595676261): 436
Fluorapophyllit-Na mit Lueschit von Playa de la Enramada

Kristalle eigewachsen in der Matrix eines Subvulkanits mit granitischer Zusammensetzung. Bildbreite 4 mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2020-07-25
Locality: Playa de la Enramada / Teneriffa / Kanarische Inseln / Spanien

Collectors Summary

Color schwarz, braun
Streak color grau
Hardness (Mohs) 5.5
Crystal System orthorhombisch, Pbma

Chemism

Chem­ical formula

NaNbO3

Chem­ical com­po­si­tion

Natrium, Niob, Sauerstoff

Unit weight: 163.8944422 u; Number of atoms in the formula: 5

Info

Empirical formula:

NaNbO3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

29.29

3

60.00

15.9994300

47.9982900

Sodium

Na

14.03

1

20.00

22.9897702

22.9897702

Niobium

Nb

56.69

1

20.00

92.9063820

92.9063820

Strunz 9th edi­tion incl. updates

4.CC.30

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
C: Mit großen und mittelgroßen Kationen
30:Perowskit-Gruppe

Lapis Clas­sifica­tion

IV/C.10-060

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
10: Perowskit-Reihe

Clas­sifica­tion by Hölzel

4.CF.160

4: OXIDES
C: R2O3 Sesquioxides
F: Perovskite-Group

Dana 8th edi­tion

04.03.03.04

04: Oxide Minerals
03: Simple Oxides with a cation charge of 3+ (A+++2 O3)
03: Perovskite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Perovskite supergroup  ⇒ Stoichiometric perovskites  ⇒ Perovskite subgroup

Optical Properties

Color

schwarz, braun

Streak color

grau

Diaphane­ity (Trans­parency)

durchscheinend bis opak

RI value α / ω / n

2.3

2V angle

Biaxial (+) 45°~

Optical Data Luminescence

Color LW-UV (365nm)

 

orange

Most Common Acti­vator

Eu3+

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

57

Space Group

Pbma

Cell param­e­ters a (Å)

7.797(1)

Cell param­e­ters b (Å)

7.797(1)

Cell param­e­ters c (Å)

7.797(1)

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

1

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

474.005

Kristall struc­ture

Mitchell, R.H., Kennedy, B.J., Knight, K.S.: The crystal structure of lueshite at 298 K resolved by high-resolution time-of-flight neutron powder diffraction: Physics and Chemistry of Minerals Vol. 45, Issue 1 (2018) S. 77–83.

a=7.8032(4) Å;b=7.8193(4) Å;c= 15.6156(9) Å, Raumgruppe: Pmmn

X-Ray Pow­der Diffrac­tion

3.91(100),
2.77(70),
1.96(70),
1.748(20),
1.60(30),
1.382(10),
1.302(10),
1.234(10)

XRD chart Lueshite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.5

VHN (Hard­ness Vick­ers)

690 (100g)

Density (g/cm³)

4.44

4.593 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Demokratische Republik Kongo/Nord-Kivu, Provinz/Lueshe

Preface

Author (Name, Year)

Safiannikoff, 1959

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 327

Mitchell, R.H., Kennedy, B.J., Knight, K.S.: The crystal structure of lueshite at 298 K resolved by high-resolution time-of-flight neutron powder diffraction: Physics and Chemistry of Minerals Vol. 45, Issue 1 (2018) S. 77–83 https://rruff.info/uploads/MM81_411.pdf

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Liuite

FeTiO3

orthorhombisch : mmm : Pnma

4.CC.30

Lueshite

NaNbO3

orthorhombisch : mmm : Pbma

4.CC.30

'Uhligite'

Ca3(Ti,Al,Zr)9O20

4.CC.30

Hiroseite

FeSiO3

orthorhombisch : mmm : Pnma

4.CC.30

Vapnikite

Ca3UO6

monoklin : 2/m : P21/n

4.CC.30

Lakargiite

CaZrO3

orthorhombisch : mmm : Pnma

4.CC.30

Latrappite

(Ca,Na)(Nb,Ti,Fe)O3

orthorhombisch : mmm : Pbnm

4.CC.30

Perovskite

CaTiO3

orthorhombisch : mmm : Pbnm

4.CC.30

Bridgmanite

MgSiO3

orthorhombisch : mmm : Pnma

4.CC.30

Megawite

CaSnO3

orthorhombisch : mmm : Pbnm

4.CC.30

'Natroniobite'

NaNbO3

4.CC.30

Barioperovskite

BaTiO3

orthorhombisch : mm2 : Amm2

4.CC.30

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Perovskite

CaTiO3

orthorhombisch : mmm : Pbnm

IV/C.10-010

Megawite

CaSnO3

orthorhombisch : mmm : Pbnm

IV/C.10-015

Lakargiite

CaZrO3

orthorhombisch : mmm : Pnma

IV/C.10-020

Latrappite

(Ca,Na)(Nb,Ti,Fe)O3

orthorhombisch : mmm : Pbnm

IV/C.10-030

Barioperovskite

BaTiO3

orthorhombisch : mm2 : Amm2

IV/C.10-035

Tausonite

SrTiO3

kubisch : m3m : Pm3m

IV/C.10-040

Loparite-(Ce)

(Na,Ce,Sr)(Ce,Th)(Ti,Nb)2O6

IV/C.10-050

Isolueshite

Na(Nb,Ti)O3

kubisch : m3m : Pm3m

IV/C.10-055

Lueshite

NaNbO3

orthorhombisch : mmm : Pbma

IV/C.10-060

'Natroniobite'

NaNbO3

IV/C.10-070

Macedonite

PbTiO3

tetragonal : 4mm : P4mm

IV/C.10-080

Carmeltazite

ZrAl2Ti4O11

orthorhombisch : mmm : Pnma

IV/C.10-100

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Perovskite

CaTiO3

orthorhombisch : mmm : Pbnm

4.CF.100

Latrappite

(Ca,Na)(Nb,Ti,Fe)O3

orthorhombisch : mmm : Pbnm

4.CF.110

Loparite-(Ce)

(Na,Ce,Sr)(Ce,Th)(Ti,Nb)2O6

4.CF.120

Lakargiite

CaZrO3

orthorhombisch : mmm : Pnma

4.CF.130

Lueshite

NaNbO3

orthorhombisch : mmm : Pbma

4.CF.160

'Natroniobite'

NaNbO3

4.CF.165

Megawite

CaSnO3

orthorhombisch : mmm : Pbnm

4.CF.170

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Corundum

Al2O3

trigonal : 3m : R3c

04.03.01.01

Hematite

Fe2O3

trigonal : 3m : R3c

04.03.01.02

Eskolaite

Cr2O3

trigonal : 3m : R3c

04.03.01.03

Karelianite

V2O3

trigonal : 3m : R3c

04.03.01.04

Akdalaite

(Al2O3)5·H2O

hexagonal : 6mm : P63mc

04.03.02.01

Ferrihydrite

Fe3+10O14(OH)2

hexagonal : 6mm : P63mc

04.03.02.02

Perovskite

CaTiO3

orthorhombisch : mmm : Pbnm

04.03.03.01

Latrappite

(Ca,Na)(Nb,Ti,Fe)O3

orthorhombisch : mmm : Pbnm

04.03.03.02

Lueshite

NaNbO3

orthorhombisch : mmm : Pbma

04.03.03.04

Tausonite

SrTiO3

kubisch : m3m : Pm3m

04.03.03.05

Isolueshite

Na(Nb,Ti)O3

kubisch : m3m : Pm3m

04.03.03.06

Ilmenite

Fe2+TiO3

trigonal : 3 : R3

04.03.05.01

Geikielite

MgTiO3

trigonal : 3 : R3

04.03.05.02

Pyrophanite

MnTiO3

trigonal : 3 : R3

04.03.05.03

Ecandrewsite

(Zn,Fe2+,Mn2+)TiO3

trigonal : 3 : R3

04.03.05.04

Melanostibite

Mn(Sb5+,Fe3+)O3

trigonal : 3 : R3

04.03.05.05

Brizziite

NaSbO3

trigonal : 3 : R3

04.03.05.06

Akimotoite

(Mg,Fe2+)SiO3

trigonal : 3 : R3

04.03.05.07

Macedonite

PbTiO3

tetragonal : 4mm : P4mm

04.03.06.01

Maghemite

Fe2.67O4

kubisch : 432 : P4132, P4332

04.03.07.01

'Bixbyite group'

(Mn3+,Fe3+)2O3

kubisch : m3 : Ia3

04.03.07.02

Avicennite

Tl2O3

kubisch : m3 : Ia3

04.03.08.01

Arsenolite

As2O3

kubisch : m3m : Fd3m

04.03.09.01

Sénarmontite

Sb2O3

kubisch : m3m : Fd3m

04.03.09.02

Alternative Name

English

Igdloite

CNMNC symbol

Symbol

Lue

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Lueshit
Google-Bilder-Suche - search for: Lueshit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Lueshit

English pages

Mindat - search for: Lueshite
Webmineral - search for:Lueshite
Handbook-of-Mineralogy - search for: Lueshite
RRUFF - Raman, XRD and other mineral data - search for: Lueshite
RRUFF - References and PDF downloads - search for: Lueshite
American-Mineralogist-Crystal-Structure-Database - search for: Lueshite
Athena - search for: Lueshite

Russian pages

Webmineral.ru - search for: Луешит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Lueshit
Crystal-Treasure.com - search for: Lueshit
Bosse - search for: Lueshit
Edelsteine Neuburg - Gundolf Fischer - search for: Lueshit

Locations with GPS information