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Lamprophyllite

Pictures (9 Images total)

Lamprophyllit
Views (File:
1294346375
): 1514
Lamprophyllit
Tavaiok-Tal, Lovozero, Kola-Halbinsel, Russland, 46x44 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Tavaiok-Tal
Mineral: Lamprophyllite
Image: 1294346375
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Lamprophyllit

Tavaiok-Tal, Lovozero, Kola-Halbinsel, Russland, 46x44 mm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2011-01-06
Locality: Tavaiok-Tal / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Lamprophyllit und Eudialyt
Views (File:
1279839898
): 3068
Lamprophyllit und Eudialyt
Größe: 60x50 mm; Fundort: Material'naya, Yukspor, Khibiny, Kola, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Yukspor/Material'naya-Stollen
Mineral: Eudialyte, Lamprophyllite
Image: 1279839898
Rating: 6.67 (votes: 3)
License: Usage for Mineralienatlas project only
Lamprophyllit und Eudialyt

Größe: 60x50 mm; Fundort: Material'naya, Yukspor, Khibiny, Kola, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2010-07-23
Locality: Material'naya-Stollen / Yukspor / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Lamprophyllit
Views (File:
1279840020
): 1402
Lamprophyllit
Größe: 45x40x30 mm; Fundort: Sengischorr, Lovozero, Kola, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Sengischorr
Mineral: Lamprophyllite
Image: 1279840020
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
Lamprophyllit

Größe: 45x40x30 mm; Fundort: Sengischorr, Lovozero, Kola, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2010-07-23
Locality: Sengischorr / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Lamprophyllit von Puerto de Santiago, Teneriffa
Views (File:
1617887076
): 414
Lamprophyllit von Puerto de Santiago, Teneriffa
Als braune Tafel in einer Multiphasenassoziation mit Enstatit (ENS), Batisit (BAT), Shcherbakovit ((SHC) und Montmorillonit als weißer Überzug. Bildbreite 2,3mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Puerto de Santiago
Mineral: Batisite, Enstatite, Lamprophyllite, Montmorillonite, Shcherbakovite
Image: 1617887076
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Lamprophyllit von Puerto de Santiago, Teneriffa

Als braune Tafel in einer Multiphasenassoziation mit Enstatit (ENS), Batisit (BAT), Shcherbakovit ((SHC) und Montmorillonit als weißer Überzug. Bildbreite 2,3mm
Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2021-04-08
Locality: Puerto de Santiago / Teneriffa / Kanarische Inseln / Spanien
Lamprophyllit
Views (File:
1182793460
): 1579
Lamprophyllit
Durchmesser der "Sonne": 1,5 cm; Fundort: Tavajok, Mt. Lovozero, Kola Peninsula, Russland
Copyright: rtbstone; Contribution: rtbstone
Collection: rtbstone
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Tavaiok-Tal
Mineral: Lamprophyllite
Image: 1182793460
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Lamprophyllit

Durchmesser der "Sonne": 1,5 cm; Fundort: Tavajok, Mt. Lovozero, Kola Peninsula, Russland
Collection: rtbstone
Copyright: rtbstone
Contribution: rtbstone 2007-06-25
Locality: Tavaiok-Tal / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Lamprophyllit
Views (File:
1360588433
): 836
Lamprophyllit
Größe: 2,5 x 1,7 x 0,7 cm, Fundort: Rasvumchorr, Chibiny-Massiv, Kola-Halbinsel, Russland
Copyright: Dan Weinrich; Contribution: thdun5
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Rasvumchorr
Mineral: Lamprophyllite
Image: 1360588433
License: Usage for Mineralienatlas project only
Lamprophyllit

Größe: 2,5 x 1,7 x 0,7 cm, Fundort: Rasvumchorr, Chibiny-Massiv, Kola-Halbinsel, Russland
Copyright: Dan Weinrich
Contribution: thdun5 2013-02-11
Locality: Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color braun
Lustre Glasglanz, Perlmuttglanz
Hardness (Mohs) 2.00 - 3.00
Solubility +++ Säuren
Crystal System monoklin, C2/m

Chemism

Chemical formula

(SrNa)Ti2Na3Ti(Si2O7)2O2(OH)2

Chemical composition

Natrium, Silicium, Strontium, Titan, Sauerstoff, Wasserstoff

Unit weight: 725.5291348 u; Number of atoms in the formula: 32

Info

Empirical formula:

(SrNa)Ti2Na3Ti(Si2O7)2O2(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.28

2

6.25

1.0079470

2.0158940
Oxygen

O

39.69

18

56.25

15.9994300

287.9897400
Sodium

Na

12.67

4

12.50

22.9897702

91.9590808
Silicon

Si

15.48

4

12.50

28.0855300

112.3421200
Titanium

Ti

19.79

3

9.38

47.8671000

143.6013000
Strontium

Sr

12.08

1

3.13

87.6210000

87.6210000

Analysis wt%

Ø SiO2 : 29.09, TiO2 : 21.18, Al2O3 : 0.77, Fe2O3 : 1.65, FeO : 2.17, MnO : 5.20, MgO : 0.46, BaO : 1.96, SrO : 15.90, CaO : 2.92, Na2O : 15.70, K2O : 1.52, F : 1.25 (Ref: Zeitschrift ür Kristallographie 35)

Strunz 9th edition incl. updates

9.BE.25

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

Lapis Classification

VIII/C.13-020

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

Classification by Hölzel

9.BH.320

9: SILICATES
B: Sorosilicates
H: Rosenbuschite-Lamprophyllite-Group

Hey's Chemical Index of Minerals

14.09.08

14: Silicates not Containing Aluminum
09: Silicates of Ti

Dana 8th edition

56.02.06c.04

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
06c: Seidozerite - Lamprophyllite group (Lamprophyllite subgroup)

IMA status

anerkannt, 2M Polytyp, entspricht dem Original Lamprophyllit

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Seidozerite supergroup  ⇒ Lamprophyllite group

Optical Properties

Color

braun

Lustre

Glasglanz, Perlmuttglanz

max. Birefringence

0.033
Birefringence chart\! Lamprophyllite title=Birefringence chart Lamprophyllite

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

1.746!

RI value β

1.754

RI value γ / ε

1.779

Ri mean

1.760

2V angle

Biaxial (+) 32°!

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

19.76

Cell parameters b (Å)

7.06

Cell parameters c (Å)

5.40

Cell parameters a/b or c/a

2.799

Cell parameters c/b

0.765

Cell parameters α

90°

Cell parameters β

96.50

Cell parameters γ

90°

Z

2

Volumne (ų)

748.488

X-Ray Powder Diffraction

3.76(30),
3.43(50),
3.23(70),
2.802(100),
2.141(80),
1.782(50),
1.609(30),
1.483(30)
XRD chart Lamprophyllite

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)

2.00 - 3.00

VHN (Hardness Vickers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.46 (berechnet) 3.54 (gemessen)

3.219 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Preface

Author (Name, Year)

Ramsay & Hackman, 1894

References

Scientia Sinica (chinesische Ausgabe) 14 (1966), 1829.

Mineralogicheskii Zhurnal 12, 25-28.

Doklady Akademii Nauk SSSR 269, 117-120.

Soviet Physics, Doklady 28 (1983), 206.

Transactions (Doklady) of the USSR Academy of Sciences, Earth Science Sections 329 (1993), 142.

Crystallography Reports 40 (1995), 951.

Handbook of Mineralogy (Anthony u.w.), 2 (1995), 446.

Neues Jahrbuch für Mineralogie, Monatshefte (1996), 407.

Neues Jahrbuch für Mineralogie, Monatshefte (2002), 138.

European Journal of Mineralogy 15 (2003), 711.

New Data on Minerals 39 (2004), 65.

Canadian Mineralogist 44 (2006), 1273.

Ramiza K. Rastsvetaeva, Nikita V. Chukanov, and Sergey M. Aksenov: The crystal chemistry of lamprophyllite-related minerals: a review. Eur J Mineral Vol. 28 No. 5 (2016) S. 915-930.

IMA group assignments

 
Seidozerite supergroup
 
 
 

 
 
Lamprophyllite group
 
 
 

 
 
 
Barytolamprophyllite
(BaK)Ti2Na3Ti(Si2O7)2O2(OH)2
monoklin
C2/m

 
 
 
Emmerichite
Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2
monoklin
C2/m

 
 
 
Epistolite
Na5Ti3+Nb2Si4O12O5F·5H2O
triklin
P1

 
 
 
Fluorbarytolamprophyllite
(Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2] [Ti2(Si2O7)2O2]
monoklin
C2/m

 
 
 
Fluorlamprophyllite
Na3(SrNa)Ti3(Si2O7)2O2F2
monoklin
C2/m

 
 
 
Innelite
Na2CaBa4Ti3(Si2O7)2(SO4)2O4
triklin
P1

 
 
 
Lamprophyllite
(SrNa)Ti2Na3Ti(Si2O7)2O2(OH)2
monoklin
C2/m

 
 
 
Lileyite
Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2
monoklin
C2/m

 
 
 
Nabalamprophyllite
Na3(Ba,Na)2Ti3[O|(OH,F)|Si2O7]2
monoklin
P2/m

 
 
 
Shkatulkalite
Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3
triklin
P1

 
 
 
Unnamed (Fe2 -analogue of Lileyite)
Ba2(Na,Fe,Ca)3FeTi2(Si2O7)2O2F2
 
 

 
 
 
Vuonnemite
Na11Nb2Ti3+Si4O12(PO4)2O5F2
triklin
P1

 
 
 
Zvyaginite
NaZnNb2Ti[Si2O7]2O(OH,F)3(H2O)4+x {x < 1}
triklin
P1

Refresh list

Actuality: 29. Sep 2023 - 17:00:28

Varieties

Barium-Lamprophyllite

Bariumreiche Lamprophyllit-Varietät

Other languages

German

Lamprophyllit

English

Lamprophyllite

Russian

Лампрофиллит

Traditional Chinese

閃葉石

Simplified Chinese

闪叶石

CNMNC symbol

Symbol

Lmp

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 2yIPkEMyOEmGfyRe6uMd-w
GUID (Global unique identifier) 900F22DB-3243-4938-867F-245EEAE31DFB
Database ID 2120