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Lazurite

Additional Functions

Survey map (12)
Occurrences (33)
Photos and Images (41)
- Images (table view)
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Pictures (41 Images total)

Views (Image: 1316375653): 8237, Rating: 8.5

Lasurit - Rhombendodekaeder

Größe: 50x41x31 mm; Fundort: Ladjuar Madan, Sar-e-Sang, Bezirk Kuran va Munjan, Provinz Badakshan, Afghanistan; Ex Wolfgang Henkel Sammlung

Dan Weinrich

Contribution: slugslayer 2011-09-18

Locality: Ladjuar Medam (Lajur Madan) / Sar-e-Sang / Kokscha-Tal / Kuran va Munjan, Bezirk / Badachshan (Badakhshan; Badahsan), Provinz / Afghanistan

Views (Image: 1245425255): 8442

Lazurite

Lazurite crystals in matrix rock, Ladjuar Medam, Koksha Valley (Kokscha; Kokcha), Badakhshan (Badakshan; Badahsan) Province, Afghanistan; Size 120 x 78 x 83 mm

Collection:

pegmatite

Contribution: pegmatite 2009-06-19

Locality: Ladjuar Medam (Lajur Madan) / Sar-e-Sang / Kokscha-Tal / Kuran va Munjan, Bezirk / Badachshan (Badakhshan; Badahsan), Provinz / Afghanistan

Views (Image: 1414996326): 6390, Rating: 8.29

Lazurite

Perfect quality and well shaped, Lazurite crystals on matrix rock, from Ladjuar Medam, Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan; Size 60 x 40 x...

Collection:

pegmatite

Contribution: pegmatite 2014-11-03

Locality: Ladjuar Medam (Lajur Madan) / Sar-e-Sang / Kokscha-Tal / Kuran va Munjan, Bezirk / Badachshan (Badakhshan; Badahsan), Provinz / Afghanistan

Views (Image: 1257176987): 9056

Lazurit

Größe: 4,1 mm; Fundort: Steinbruch San Vito, San Vito, Ercolano, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien

Matteo Chinellato

Contribution: Hg 2009-11-02

Locality: Steinbruch San Vito (Cava San Vito) / San Vito / Ercolano / Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien

Views (Image: 1509552202): 2088

Lasurit (SNr: SyS-Lasu-2-1-1)

Rhombendodekaedrische Lasuritkristalle von etwa 3 cm Breite aus Ladjuar Madan, Sar-e-Sang, Afghanistan.

Collection:

Klaus Schäfer

Contribution: Klaus Schäfer 2017-11-01

Locality: Ladjuar Medam (Lajur Madan) / Sar-e-Sang / Kokscha-Tal / Kuran va Munjan, Bezirk / Badachshan (Badakhshan; Badahsan), Provinz / Afghanistan

Views (Image: 1316375308): 1066, Rating: 7.2

Lasurit

Größe: 52x40x37 mm; Fundort: Ladjuar Madan, Sar-e-Sang, Bezirk Kuran va Munjan, Provinz Badakshan, Afghanistan

Rob Lavinsky

Contribution: slugslayer 2011-09-18

Locality: Ladjuar Medam (Lajur Madan) / Sar-e-Sang / Kokscha-Tal / Kuran va Munjan, Bezirk / Badachshan (Badakhshan; Badahsan), Provinz / Afghanistan

More images

Collectors Summary

Color

blau, azurblau, violett blau, grünblau

Streak color

hellblau

Lustre

Matt bis Glasglanz

Hardness (Mohs)

5.5

Solubility

+++ HCl, HNO₃

Crystal System

kubisch, P43n

Morphology

Dodekaeder oder Würfel; massiv, körnig,feinverteilt

Chemism

Chemical formula

Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)^-⋅H₂O

Chemical composition

Aluminium, Calcium, Natrium, Silicium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1125.6705646 u; Number of atoms in the formula: 55

Info

Empirical formula:

Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)⋅H₂O

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	0.18	2	3.64	1.0079470	2.0158940
Oxygen	O	41.22	29	52.73	15.9994300	463.9834700
Sodium	Na	14.30	7	12.73	22.9897702	160.9283914
Aluminium	Al	14.38	6	10.91	26.9815382	161.8892292
Silicon	Si	14.97	6	10.91	28.0855300	168.5131800
Sulfur	S	11.39	4	7.27	32.0655000	128.2620000
Calcium	Ca	3.56	1	1.82	40.0784000	40.0784000

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Analysis wt%

SiO₂ : 32.52, Al₂O₃ : 27.61, CaO : 6.47, Na₂O : 19.45, SO₃ : 10.46, S : 2.71, Cl : 0.47 (Ref: Lithos 76)

Strunz 9th edition incl. updates

9.FB.10

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H₂O
B: Gerüstsilikate (Tektosilicates) mit weiteren [Anionen]
10:Sodalith-Gruppe

Lapis Classification

VIII/J.11-040

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
11: Mit tetraederfremden Anionen; Sodalith-Gruppe

Classification by Hölzel

9.FF.300

9: SILICATES
F: Tektosilicates
F: Sodalite-Group

IMA status

Vor der Gründung der CNMMN 1959 beschrieben, anerkannt Stand 5/2008

Mineral status

anerkanntes Mineral

IMA Classification

Cancrinit–Sodalit supergroup ⇒ Sodalite group
Feldspathoid

Optical Properties

Color	blau, azurblau, violett blau, grünblau
Streak color	hellblau
Diaphaneity (Transparency)	durchscheinend
Lustre	Matt bis Glasglanz
RI value α / ω / n	1.503
Ri mean	1.503
2V angle	Isotropisch

Optical Data Luminescence

Luminescence	fluoreszierend
Color LW-UV (365nm)	gelblich weiß
Color SW-UV (254nm)	orange
SW-UV Intensity	mittel
LW-UV Other Colors	bläulich
SW-UV Other Colors	bläulich
Most Common Activator	S^2-

Crystallography

Crystal System	kubisch
Class (H-M)	43m
Space Group number	218
Space Group	P43n
Cell parameters a (Å)	9.088
Cell parameters b (Å)	-
Cell parameters c (Å)	-
Cell parameters a/b or c/a	1
Cell parameters c/b	-
Cell parameters α	90°
Cell parameters β	90°
Cell parameters γ	90°
Z	2
Volumne (Å³)	750.594
X-Ray Powder Diffraction	6.43(40), 4.538(10), 3.713(100), 2.870(40), 2.619(80), 2.426(20), 2.268(20), 2.138(50)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)
Morphology	Dodekaeder oder Würfel; massiv, körnig,feinverteilt

Crystals 3D

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Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)	5.5
VHN (Hardness Vickers)	470 (ungefähre Angabe abgeleitet aus der Mohshärte)
Density (g/cm³)	2.4 (gemessen) 2.39 (berechnet)
	4.98 ( ρ calc. Mineralienatlas )
Instability	+++ HCl, HNO₃

(Co-)Type locality

(Co-)Type locality	Afghanistan /Badachshan (Badakhshan; Badahsan), Provinz /Kuran va Munjan, Bezirk /Kokscha-Tal /Sar-e-Sang /Ladjuar Medam (Lajur Madan)
Type material	Das Neotyp-Exemplar stammt aus der Malo-Bystrinskoe-Edelstein-Lazurit-Lagerstätte, Baikalseegebiet, Ostsibirien, Russland. Es ist in der Sammlung des Sidorov Mineralogical Museum(INRTU), Lermontova St. 83, Irkutsk 664074, Russland, Registrierungsnummer MMU/MF 27914, hinterlegt

Preface

Occurrences	Kontaktmetamorph in Kalksteinen
Associations	Calcit, Pyrit, Diopsid, Humit, Fortsterit, Hauyn, Muskovit
Rareness	Lokal häufig
Name from	Der Name kommt aus dem persischen : lazhward = blau
Author (Name, Year)	Brøgger, 1890
Collector information	Lasurit ist das Mineral welches dem Mineralgemisch (fälschlich auch Gestein) Lapis Lazuli seine blaue Farbe gibt. Aussergewöhliche Kristalle von Sar-e-Sang (Afghanistan) (siehe Foto).
Additional Information	Chemische Formel nach Lapis: Na₆Ca₂[/S,SO₄,Cl₂)₂\|Al₆Si₆O₂₄]

Detailed description

IMA 20-H: Neudefinition von LazuritVorschlag 20-H wird angenommen, und Lazurit wird neu definiert mit der idealtypischen Formel Na7Ca(Al6Si6O24)(SO4)(S3)-⋅H2O. Das Neotyp-Exemplar stammt aus der Malo-Bystrinskoe-Edelstein-Lazurit-Lagerstätte, Baikalseegebiet, Ostsibirien, Russland. Es ist in der Sammlung des Sidorov Mineralogical Museum(INRTU), Lermontova St. 83, Irkutsk 664074, Russland, Registrierungsnummer MMU/MF 27914, hinterlegt.

References

IMA 20-H: Redefinition of lazurite - CNMNC Newsletter 60 (2021); Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.30

IMA group assignments

Cancrinit–Sodalit supergroup

Sodalite group

Berzeline (of Necker)

kubisch

P43n

Bolotinaite

(Na₇☐)(Al₆Si₆O₂₄)F·4H₂O

kubisch

I43m

Haüyne

Na₃Ca(Si₃Al₃)O₁₂(SO₄)

kubisch

P43n

Lazurite

Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)^-⋅H₂O

kubisch

P43n

Nosean

Na₈Al₆Si₆O₂₄(SO₄)

kubisch

P43m

Sapozhnikovite

Na₈(Al₆Si₆O₂₄)(HS)₂

kubisch

P43n

Slyudyankaite

Na₂₈Ca₄(Si₂₄Al₂₄O₉₆)(SO₄)₆(S₆)_0.33(CO₂)·2H₂O

triklin

Sodalite

Na₄Al₃Si₃O₁₂Cl

kubisch

P43n

Tsaregorodtsevite

N(CH₃)₄[AlSi₅O₁₂]

orthorhombisch

I222

Vladimirivanovite

Na₆Ca₂[Al₆Si₆O₂₄](SO₄,S₃,S₂,Cl)₂·H₂O

orthorhombisch

Pnaa

Feldspathoid

Afghanite

(Na₁₅K₅Ca₁₁)(Si₂₄Al₂₄O₉₆)(SO₄)₆Cl₆

trigonal

P31c

Analcime

Na(Si₂Al)O₆·H₂O

orthorhombisch

Ibca

Berzeline (of Necker)

kubisch

P43n

Cancrinite

Na₆Ca₂Al₆Si₆O₂₄(CO₃)₂

hexagonal

P6₃

Haüyne

Na₃Ca(Si₃Al₃)O₁₂(SO₄)

kubisch

P43n

Kalsilite

KAlSiO₄

hexagonal

P6₃

Lazurite

Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)^-⋅H₂O

kubisch

P43n

Leucite

K(AlSi₂)O₆

tetragonal

I4₁/a

Nepheline

Na₃K(Al₄Si₄O₁₆)

hexagonal

P6₃

Nosean

Na₈Al₆Si₆O₂₄(SO₄)

kubisch

P43m

Sodalite

Na₄Al₃Si₃O₁₂Cl

kubisch

P43n

Vishnevite

Na₈(Al₆Si₆)O₂₄(SO₄)·2H₂O

hexagonal

P6₃

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Actuality: 20. Jun 2022 - 17:18:57

Other languages

German	Lasurit
Spanish	Lazurita
English	Lazurite
Russian	Лазурит
Japanese	ラピスラズリ

Alternative Name

	Cyaneus
English	Cyanus
	Lasurite
	Lasurite (of Brogger)
	Lasurstein
	Lazurit
	Lazurite (of Dana)
	Sapphis
	Sapphis (of Agricola)
	Ultramarine

CNMNC symbol

Symbol

Lzr

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

German pages	DeWikiPedia - search for: Lasurit Google-Bilder-Suche - search for: Lasurit Mineralienatlas.de (Forum) - search for: Lasurit
English pages	Mindat - search for: Lazurite Webmineral - search for:Lazurite Handbook-of-Mineralogy - search for: Lazurite RRUFF - Raman, XRD and other mineral data - search for: Lazurite RRUFF - References and PDF downloads - search for: Lazurite American-Mineralogist-Crystal-Structure-Database - search for: Lazurite Strahlen.org - search for: Lazurite
Russian pages	Webmineral.ru - search for: Лазурит

Mineral Dealer

German pages

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

Locations with GPS information