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Normandite

Pictures (9 Images total)

Braune Kristallrosette von Normandit
Views (Image: 1081192011): 1442
Braune Kristallrosette von Normandit

in Aegirin-Feldspat-Analcim-Matrix; Kristallgröße bis 2 cm; Fundort: Partomchorr-Berg, Chibiny-Massiv, Kola-Halbinsel, Russland

Copyright: McSchuerf
Contribution: Mineralienatlas 2004-04-05
Locality: Partomchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Normandit
Views (Image: 1274213248): 1001
Normandit

Größe: 47x32 mm; Fundort: Partomchorr, Khibiny, Kola-Halbinsel, Russland

Copyright: John Sobolewski
Contribution: slugslayer 2010-05-18
Locality: Partomchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Normandit von Alcala, Teneriffa
Views (Image: 1552061443): 492
Normandit von Alcala, Teneriffa

Gelber langtafeliger Kristall mit auffallender Zonierung.in Nephelin-Syenit. Bildbreite 2 mm

Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2019-03-08
Locality: Alcala / Teneriffa / Kanarische Inseln / Spanien
Normandit
Views (Image: 1274213205): 927
Normandit

Größe: 41x32 mm; Fundort: Partomchorr, Khibiny, Kola-Halbinsel, Russland

Copyright: John Sobolewski
Contribution: slugslayer 2010-05-18
Locality: Partomchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Normandit
Views (Image: 1360626055): 723
Normandit

Bildbreite: 4 mm, Fundort: Partomchorr, Khibiny, Kola-Halbinsel, Murmansk, Russland

Copyright: Luigi Chiappino
Contribution: thdun5 2013-02-12
Locality: Partomchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Mineralreicher Nephelin-Syenit  von Alcala, Teneriffa
Views (Image: 1550505542): 733
Mineralreicher Nephelin-Syenit von Alcala, Teneriffa

Charakteristische Mineralgesellschaft in Zwickeln von Sanidin. Zu erkennen sind tafeliger Albit (ALB), weiße Nadeln von Burbankit (BUR), nadeliger Aegirin (AEG), säuliger Ankylith-(Ce) (AKL) gelbe ...

Copyright: Kurt Rüsenberg
Contribution: humboldt 2019-02-18
Locality: Alcala / Teneriffa / Kanarische Inseln / Spanien

Collectors Summary

Color gelb, orange braun, orange
Streak color blass gelblich weiß
Hardness (Mohs) 5.5
Cleavages deutlich {100},{001}
Fracture muschelig
Solubility - 1:1 HCl, HNO3
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

NaCa(Mn2+,Fe2+)(Ti,Nb,Zr)Si2O7(O,F)2

Chem­ical com­po­si­tion

Calcium, Eisen, Mangan, Natrium, Niob, Silicium, Titan, Zirconium, Fluor, Sauerstoff

Unit weight: 385.61301885 u; Number of atoms in the formula: 15

Info

Empirical formula:

NaCa(Mn0.75Fe0.25)(Ti0.6Nb0.3Zr0.1)Si2O7(O0.75F0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

35.27

8.5

56.67

15.9994300

135.9951550

Fluorine

F

2.46

0.5

3.33

18.9984033

9.4992016

Sodium

Na

5.96

1

6.67

22.9897702

22.9897702

Silicon

Si

14.57

2

13.33

28.0855300

56.1710600

Calcium

Ca

10.39

1

6.67

40.0784000

40.0784000

Titanium

Ti

7.45

0.6

4.00

47.8671000

28.7202600

Manganese

Mn

10.69

0.75

5.00

54.9380499

41.2035374

Iron

Fe

3.62

0.25

1.67

55.8452000

13.9613000

Zirconium

Zr

2.37

0.1

0.67

91.2242000

9.1224200

Niobium

Nb

7.23

0.3

2.00

92.9063820

27.8719146

Anal­y­sis wt%

SiO2 : 31.92, Nb2O5 : 3.89, TiO2 : 17.51, ZrO2 : 2.62, FeO : 6.13, MnO : 9.31, CaO : 15.38, Na2O : 9.26, F : 5.11 (Ref: Canadian Mineralogist 97)

Strunz 9th edi­tion incl. updates

9.BE.17

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
E: Si2O7 Gruppen mit zusätzlichen Anionen; Kationen in oktahedraler [6] und größerer Koordination
17:Cuspidin-Gruppe

Lapis Clas­sifica­tion

VIII/C.11-015

VIII: SILIKATE
C: Gruppensilikate
11: Gruppensilikate [Si2O7] 6-, mit tetraederfremden Anionen (O,OH,F); Wöhlerit-Reihe

Clas­sifica­tion by Hölzel

9.BF.120

9: SILICATES
B: Sorosilicates
F: Wöhlerite-Group

Dana 8th edi­tion

56.02.06a.02

56: Sorosilicates Sorosilicate Si2O7 Groups and O, OH, F. and H2O
02: Sorosilicates Sorosilicate Si2O7 Groups and O, OH, F. and H2O with cations in [4] and/or >[4] coordination
06a: Seidozerite - Lamprophyllite group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Wöhlerite group

Optical Properties

Color

gelb, orange braun, orange

Streak color

blass gelblich weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.067

Birefringence chart\! Normandite title=Birefringence chart Normandite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.743

RI value β

1.785

RI value γ / ε

1.810

Ri mean

1.779

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

10.828

Cell param­e­ters b (Å)

9.790

Cell param­e­ters c (Å)

7.054

Cell param­e­ters a/b or c/a

1.106

Cell param­e­ters c/b

0.721

Cell param­e­ters α

90°

Cell param­e­ters β

108.20

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

710.358

X-Ray Pow­der Diffrac­tion

3.942(20),
3.234(30),
2.859(100),
2.807(70),
1.762(20),
1.741(20),
1.727(20),
1.688(20)

XRD chart Normandite

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)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.48 - 3.5 / Durchschnittlich = 3.49

3.605 ( ρ calc. Mineralienatlas )

Cleav­ages

deutlich {100},{001}

Frac­ture

muschelig

Tenac­ity

spröde

Insta­bil­ity

- 1:1 HCl, HNO3

Preface

Author (Name, Year)

Chao & Gault, 1997

References

Canadian Mineralogist 35 (1997), 1035

IMA group assignments

Other languages

German

Normandit

Spanish

Normandita

French

Normandite

English

Normandite

Russian

Нормандит

Alternative Name

Unnamed (MSH UK-59)

CNMNC (IMA)-Number

IMA 1990-021

CNMNC symbol

Symbol

Nmd

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

German pages

DeWikiPedia - search for: Normandit
Google-Bilder-Suche - search for: Normandit
Mineralienatlas.de (Forum) - search for: Normandit

English pages

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

Russian pages

Webmineral.ru - search for: Нормандит

Mineral Dealer

German pages

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

Locations with GPS information