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Lemoynite (Lemoynit)

Pictures (3 Images total)

Lemoynit
Views (File:
1196090635
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Lemoynit
Fundort: Poudrette Steinbruch, Mont Saint-Hilaire, Rouville Co., Québec, Kanada; Bildbreite: 3 mm
Copyright: Christian Rewitzer; Contribution: Klinoklas
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Lemoynite
Image: 1196090635
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Lemoynit

Fundort: Poudrette Steinbruch, Mont Saint-Hilaire, Rouville Co., Québec, Kanada; Bildbreite: 3 mm

Copyright: Christian Rewitzer
Contribution: Klinoklas 2007-11-26
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Lemoynit xx
Views (File:
1572786480
): 241
Lemoynit xx
Mt.St.Hilaire,Rouville Co./Quebec,Canada; Bildbreite 7,05 mm
Copyright: Haubi; Contribution: Haubi
Collection: Haubi
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Lemoynite
Image: 1572786480
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Lemoynit xx

Mt.St.Hilaire,Rouville Co./Quebec,Canada; Bildbreite 7,05 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2019-11-03
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Lemoynit
Views (File:
1165498979
): 792
Lemoynit
Bildbreite: 4 mm; Fundort Mont Saint-Hilaire, Quebéc, Kanada
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Lemoynite
Image: 1165498979
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Lemoynit

Bildbreite: 4 mm; Fundort Mont Saint-Hilaire, Quebéc, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-07
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada

Collectors Summary

Color gelblich weiß, hellblau
Streak color weiß
Hardness (Mohs) 4
Crystal System monoklin, C2/c

Chemism

Chemical formula

(Na,K)2CaZr2Si10O26·5-6H2O

Chemical composition

Calcium, Natrium, Silicium, Zirconium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 1072.4853723 u; Number of atoms in the formula: 57.5

Info

Empirical formula:

(Na0.75K0.25)2CaZr2Si10O26·5.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.03

11

19.13

1.0079470

11.0874170

Oxygen

O

46.99

31.5

54.78

15.9994300

503.9820450

Sodium

Na

3.22

1.5

2.61

22.9897702

34.4846553

Silicon

Si

26.19

10

17.39

28.0855300

280.8553000

Potassium

K

1.82

0.5

0.87

39.0983100

19.5491550

Calcium

Ca

3.74

1

1.74

40.0784000

40.0784000

Zirconium

Zr

17.01

2

3.48

91.2242000

182.4484000

Strunz 9th edition incl. updates

9.DP.35

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
P: Übergangsstrukturen: Ketten- und Bandsilikate - Schichtsilikat
35:Lemoynit-Gruppe

Lapis Classification

VIII/G.09-010

VIII: SILIKATE
G: Übergangsstrukturen zwischen Ketten- und Schichtsilikaten

Classification by Hölzel

9.DS.240

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
S: ~[Si8O20]8--.. or ~[Si8O22]12--... Cylinder-Chains Narsarsukite-Group

Dana 8th edition

74.03.03.02

74: Phyllosilicates Phyllosilicate Modulated Layers
03: Phyllosilicates Phyllosilicate Modulated Layers with joined strips
03: Altisite/lemoynite

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelblich weiß, hellblau

Streak color

weiß

Diaphaneity (Transparency)

transparent bis opak

max. Birefringence

0.030

Birefringence chart\! Lemoynite title=Birefringence chart Lemoynite

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

1.540

RI value β

1.553

RI value γ / ε

1.570

Ri mean

1.554

2V angle

Biaxial (+) 80°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

10.384

Cell parameters b (Å)

15.947

Cell parameters c (Å)

18.601

Cell parameters a/b or c/a

0.651

Cell parameters c/b

1.166

Cell parameters α

90°

Cell parameters β

104.58

Cell parameters γ

90°

Z

4

Volume (ų)

2981.016

X-Ray Powder Diffraction

9.0(40),
8.01(100),
4.39(30),
3.956(20),
3.562(50),
3.482(30),
3.034(30),
2.807(50)

XRD chart Lemoynite

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)

4

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.29

2.39 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Perrault & Semenov & Bikova & Capitonova, 1969

References

Perrault G, Semenov E I, Bikova A V, Capitonova T A (1969) La lemoynite, un nouveau silicate hydraté de zirconium et de sodium de St. Hilaire, Québec, The Canadian Mineralogist 9, 585-596

Other languages

German

Lemoynit

Spanish

Lemoynita

French

Lemoynite

English

Lemoynite

Russian

Лемуанит

Traditional Chinese

水鈉鈣鋯石

Simplified Chinese

水钠钙锆石

CNMNC (IMA)-Number

IMA 1968-013

CNMNC symbol

Symbol

Lmo

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 7BKfWTP5MkqXBO10wWUUtw
GUID (Global unique identifier) 599F12EC-F933-4A32-9704-ED74C16514B7
Database ID 2177