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Hydroxyledgrewite

Collectors Summary

Crystal System monoklin, P21/b

Chemism

Chem­ical formula

Ca9(SiO4)4(OH)2

Chem­ical com­po­si­tion

Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 763.053354 u; Number of atoms in the formula: 33

Info

Empirical formula:

Ca9(SiO4)4(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.26

2

6.06

1.0079470

2.0158940

Oxygen

O

37.74

18

54.55

15.9994300

287.9897400

Silicon

Si

14.72

4

12.12

28.0855300

112.3421200

Calcium

Ca

47.27

9

27.27

40.0784000

360.7056000

Strunz 9th edi­tion incl. updates

9.AF.50

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
F: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in [4], [5] und/oder nur [6] Koordination
50:Humit-Gruppe

Lapis Clas­sifica­tion

VIII/B.04-125

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
4: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]; Humit-Gruppe

Clas­sifica­tion by Hölzel

9.AI.226

9: SILICATES
A: Nesosilicates
I: Nesosilicates with OH
2: Norbergite-Group

IMA sta­tus

anerkannt - März 2012 - CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817

Min­eral sta­tus

anerkanntes Mineral

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/b

Cell param­e­ters a (Å)

5.067

Cell param­e­ters b (Å)

11.355

Cell param­e­ters c (Å)

15.395

Cell param­e­ters a/b or c/a

0.446

Cell param­e­ters c/b

1.356

Cell param­e­ters α

90°

Cell param­e­ters β

100.58

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

870.705

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

3.813(41), 3.028(100), 2.822(78), 2.764(65), 2.624(55), 1.906(52), 1.906(53), 1.890(55)

XRD chart Hydroxyledgrewite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.91 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Russland/Nordkaukasus, Föderationskreis/Kabardino-Balkarien, Republik/Obere vulkanische Chegem-Struktur (Verkhnechegemskaya Caldera)

Russland/Nordkaukasus, Föderationskreis/Kabardino-Balkarien, Republik/Obere vulkanische Chegem-Struktur (Verkhnechegemskaya Caldera)/Lakargi-Gebirge

Type mate­r­ial

Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia

Col­lec­tion number of type mate­r­ial

4164/1

Preface

Author (Name, Year)

E.V. Galuskin, T. Armbruster, N.N. Pertsev, I.O. Galuskina, B. Lazic, V.M. Gazeev, R. Włodyka, M. Dulski, P. Dzierżanowski, A.E. Zadov and L. Dubrovinsky (2012)

References

CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817

Other languages

German

Hydroxyledgrewit

English

Hydroxyledgrewite

Russian

Гидроксилэдгрюит

CNMNC (IMA)-Number

IMA 2011-113

CNMNC symbol

Symbol

Hegr

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Гидроксилэдгрюит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Hydroxyledgrewit
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Locations with GPS information