https://www.mineral-bosse.de
https://weloveminerals.com/
https://www.mineraliengrosshandel.com
https://www.edelsteine-neuburg.de
https://www.mineralbox.biz
'._('einklappen').'
 

Lueshite

Pictures (6 Images total)

Lueshit
Views (File:
1258156988
): 1787
Lueshit
Größe: 06x06x06 mm; Fundort: Lueshe Mine, Nord-Kivu, DR Kongo
Copyright: Rob Lavinsky; Contribution: Philip Blümner
Location: Demokratische Republik Kongo/Nord-Kivu, Provinz/Lueshe
Mineral: Lueshite
Image: 1258156988
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Lueshit

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

Copyright: Rob Lavinsky
Contribution: Philip Blümner 2009-11-14
Locality: Lueshe / Nord-Kivu, Provinz / Demokratische Republik Kongo
Lueshit x
Views (File:
1103455121
): 1783
Lueshit x
ca. 6 mm Kantenlänge; Fundort: Lueshe Mine, Nord-Kivu, Zaire (Typlokalität)
Copyright: berthold; Contribution: Mineralienatlas
Collection: berthold
Location: Demokratische Republik Kongo/Nord-Kivu, Provinz/Lueshe
Mineral: Lueshite
Image: 1103455121
License: Usage for Mineralienatlas project only
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 (File:
1360801252
): 871
Lueshit
Bildbreite: ca. 5 mm, Fundort: Kovdor, Kola-Halbinsel, Murmansk, Russland
Copyright: Dan Weinrich; Contribution: thdun5
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor
Mineral: Lueshite
Image: 1360801252
License: Usage for Mineralienatlas project only
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 (File:
1555432997
): 414
Lueshit von Alcala, Teneriffa
Deformierter Würfel in Nephelin-Syenit. Begleiter sind Aegirin und Vermiculit. Bildbreite 1,5 mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Alcala
Mineral: Lueshite
Image: 1555432997
License: Usage for Mineralienatlas project only
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 (File:
1563540166
): 483
Lueshit von Alcala, Teneriffa
Schwarzes Kristallkumulat in Nephelin-Syenit. Bildbreite 1 mm
Copyright: humboldt; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Alcala
Mineral: Lueshite
Rock: nepheline-syenite
Image: 1563540166
License: Usage for Mineralienatlas project only
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

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

Volume (ų)

474.005

Crystal 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.

Roger H. Mitchell , Peter C. Burns , Kevin S. Knight , Christopher J. Howard, Anton R. Chakhmouradian: Observations on the crystal structures of lueshite. Physics and Chemistry of Minerals Vol. 41, Issue 6 (2014) S. 393–401.

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




 
 
 
 
CaSiO3
kubisch
Pm3m

 
 
 
 
(K0.5Ce0.5)TiO3
kubisch
Pm3m

 
 
 
 
Na(Nb,Ti)O3
kubisch
Pm3m

 
 
 
 
CaZrO3
orthorhombisch
Pnma

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

 
 
 
 
NaNbO3
orthorhombisch
Pbma

 
 
 
 
CaSnO3
orthorhombisch
Pbnm

 
 
 
 
CaTiO3
orthorhombisch
Pbnm

 
 
 
 
SrTiO3
kubisch
Pm3m

Refresh list

Actuality: 19. Jul 2024 - 09:23:02

Other languages

German

Lueshit

Spanish

Lueshita

French

Lueshite

English

Lueshite

Russian

Луешит

Traditional Chinese

鈉鈮礦

Simplified Chinese

钠铌矿

Japanese

リューシャイト

Alternative Name

English

Igdloite

CNMNC symbol

Symbol

Lue

Locations with GPS information

IDs

GUSID (Global unique identifier short form) bbyIVBND8U6J3Sx6PnwW2A
GUID (Global unique identifier) 5488BC6D-4313-4EF1-89DD-2C7A3E7C16D8
Database ID 2266