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

Aeschynite-(Nd) (Aeschynit-(Nd))

Pictures (3 Images total)

Aeschynit-(Nd)
Views (File:
1241928679
): 7186
Aeschynit-(Nd)
Kristallgröße: 8 mm; Fundort: Chungju-Lagerstätte, Berg Eorae, Chungju, Chungcheongbuk-do (Nord-Chungcheong), Provinz, Südkorea
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Südkorea/Chungcheongbuk-do (Nord-Chungcheong), Provinz/Chungju/Joongwon-gun/Mt. Eorae/Chungju-Lagerstätte
Mineral: Aeschynite-(Nd)
Image: 1241928679
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Aeschynit-(Nd)

Kristallgröße: 8 mm; Fundort: Chungju-Lagerstätte, Berg Eorae, Chungju, Chungcheongbuk-do (Nord-Chungcheong), Provinz, Südkorea
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-10
Locality: Chungju-Lagerstätte / Mt. Eorae / Joongwon-gun / Chungju / Chungcheongbuk-do (Nord-Chungcheong), Provinz / Südkorea
Aeschynit-(Nd) (Niobo-Aeshynit-(Nd))
Views (File:
1111480510
): 1527
Aeschynit-(Nd) (Niobo-Aeshynit-(Nd))
idiomorpher Kristall 3 mm; Fundort: Tatarskii Massif, Tatarka-Gebirge, Krasnojarskiy Kraj, Russland; Ehem. geol.-min. Smlg. Museum Jekaterinburg
Copyright: Collector; Contribution: Mineralienatlas
Collection: Collector
Location: Russland/Sibirien, Föderationskreis/Krasnojarsk, Region (Krasnojarski krai)/Enisei (Yenisei)-Gebirge/Tatarskii-Massiv
Mineral: Aeschynite-(Nd)
Image: 1111480510
License: Usage for Mineralienatlas project only
Aeschynit-(Nd) (Niobo-Aeshynit-(Nd))

idiomorpher Kristall 3 mm; Fundort: Tatarskii Massif, Tatarka-Gebirge, Krasnojarskiy Kraj, Russland; Ehem. geol.-min. Smlg. Museum Jekaterinburg
Collection: Collector
Copyright: Collector
Contribution: Mineralienatlas 2005-03-22
Locality: Tatarskii-Massiv / Enisei (Yenisei)-Gebirge / Krasnojarsk, Region (Krasnojarski krai) / Sibirien, Föderationskreis / Russland
Aeschynit-(Nd)-Ader in Calcit mit Aegirin
Views (File:
1239617642
): 1791
Aeschynit-(Nd)-Ader in Calcit mit Aegirin
Größe: 5 x 5 x 5 cm; Fundort: Ost-Bruch, Bayan-Obo-Lagerstätte, Vereinigtes Darhan-Mumingan-Banner, Baotou, Innere Mongolei, China
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: China/Innere Mongolei (Neimenggu)/Baotou/Vereinigtes Darhan-Mumingan-Banner/Bayan Obo/Bayan Obo SE-Fe-Nb-Lagerstätte/Ost-Bruch (East Mine)
Mineral: Aeschynite-(Nd)
Image: 1239617642
License: Usage for Mineralienatlas project only
Aeschynit-(Nd)-Ader in Calcit mit Aegirin

Größe: 5 x 5 x 5 cm; Fundort: Ost-Bruch, Bayan-Obo-Lagerstätte, Vereinigtes Darhan-Mumingan-Banner, Baotou, Innere Mongolei, China
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-04-13
Locality: Ost-Bruch (East Mine) / Bayan Obo SE-Fe-Nb-Lagerstätte / Bayan Obo / Vereinigtes Darhan-Mumingan-Banner / Baotou / Innere Mongolei (Neimenggu) / China

Collectors Summary

Color braun
Streak color braun
Lustre Matt
Hardness (Mohs) 5.5
Solubility +++ warme HCl, H2SO4, H3PO4, + HNO3
Morphology Idiomorphe Kristalle

Chemism

Chemical formula

(Nd,Ln,Ca)(Ti,Nb)2(O,OH)6

Chemical composition

Calcium, Neodymium, Niob, Titan, Sauerstoff, Wasserstoff, Lanthanoide

Unit weight: 353.6109815 u; Number of atoms in the formula: 10.5

Info

Empirical formula:

(Nd0.6Ln0.3Ca0.1)(Ti0.75Nb0.25)2(O0.75(OH)0.25)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Lanthanoide

Ln

13.37

0.3

2.86

157.6500000

47.2950000
Hydrogen

H

0.43

1.5

14.29

1.0079470

1.5119205
Oxygen

O

27.15

6

57.14

15.9994300

95.9965800
Calcium

Ca

1.13

0.1

0.95

40.0784000

4.0078400
Titanium

Ti

20.30

1.5

14.29

47.8671000

71.8006500
Niobium

Nb

13.14

0.5

4.76

92.9063820

46.4531910
Neodymium

Nd

24.47

0.6

5.71

144.2430000

86.5458000

Strunz 9th edition incl. updates

4.DF.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
F: Mit großen (± mittelgroßen) Kationen; dimers und trimers kantenverknüpfte Oktaeder
05:Aeschynit-Gruppe

Lapis Classification

IV/D.21-030

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)
21: Aeschynit-Gruppe

Classification by Hölzel

4.DJ.320

4: OXIDES
D: Dioxides
J: Titanates, Niobates and Tantalates, C large, V medium ò 2
3: Aeschynite-Group

Dana 8th edition

08.03.06.05

08: Multiple Oxides with Nb, Ta, and Ti
03: Multiple Oxides with Nb, Ta, and Ti where A (B2O6)
06: Aeschynite group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Aeschynite group

Optical Properties

Color

braun

Streak color

braun

Diaphaneity (Transparency)

teilweise durchscheinend

Lustre

Matt

RI value α / ω / n

2.2

RI value γ / ε

2.4

2V angle

b nd 80°, i

Crystallography

Cell parameters a (Å)

metam.

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

X-Ray Powder Diffraction

5.45(50),
3.00(90),
2.93(100),
2.64(50),
2.26(50),
1.95(60),
1.57(70),
1.53(60)
XRD chart Aeschynite-(Nd)

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

Morphology

Idiomorphe Kristalle

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.6 - 5.04 / Durchschnittlich = 4.82

Instability

+++ warme HCl, H2SO4, H3PO4, + HNO3

(Co-)Type locality

(Co-)Type locality

China/Innere Mongolei (Neimenggu)/Baotou/Vereinigtes Darhan-Mumingan-Banner/Bayan Obo/Bayan Obo SE-Fe-Nb-Lagerstätte

Preface

Rareness

Extrem selten

Author (Name, Year)

Zhang & Tao, 1982

References

Scientia Geologica Sinica (in Chinese) (1982), 424

IMA group assignments

Other languages

German

Aeschynit-(Nd)

English

Aeschynite-(Nd)

French

Aeschynite-(Nd)

Spanish

Esquinita-(Nd)

Russian

Эшинит-(Nd)

Simplified Chinese

钕易解石

CNMNC symbol

Symbol

Aes-Nd

Locations with GPS information