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Reidite (Reidit)

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 7.5
Fracture unregelmäßig
Solubility - konzentrierte NaOH bei 70°C
Crystal System tetragonal, I41/a

Chemism

Chemical formula

Zr[SiO4]

Chemical composition

Silicium, Zirconium, Sauerstoff

Unit weight: 183.30745 u; Number of atoms in the formula: 6

Info

Empirical formula:

Zr[SiO4]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

34.91

4

66.67

15.9994300

63.9977200

Silicon

Si

15.32

1

16.67

28.0855300

28.0855300

Zirconium

Zr

49.77

1

16.67

91.2242000

91.2242000

Analysis wt%

Ø SiO2 : 31.44, ZrO2 : 65.92, HfO2 : 1.25 (Ref: American Mineralogist 2002)

Strunz 9th edition incl. updates

9.AD.45

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
D: Insel(Neso)silikate ohne weitere Anionen; Kationen in oktahedraler [6] und gewöhnlich größerer Koordination
45:Reidit-Gruppe

Lapis Classification

VIII/A.09-005

VIII: SILIKATE
A: Inselsilikate mit [SiO4] 4--Baugruppen
9: Kationen in kubischer und oktaedrischer Koordination [8+6]; Zirkon-Gruppe

Classification by Hölzel

9.AD.130

9: SILICATES
A: Nesosilicates
D: Zircon-Group

Dana 8th edition

51.05.06.01

51: Nesosilicate Minerals
05: Nesosilicates Nesosilicate Insular SiO4 Groups Only with cations in >[6] coordination

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Crystallography

Crystal System

tetragonal

Class (H-M)

4/m

Space Group number

88

Space Group

I41/a

Cell parameters a (Å)

4.738

Cell parameters b (Å)

-

Cell parameters c (Å)

10.506

Cell parameters a/b or c/a

2.217

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

235.845

X-Ray Powder Diffraction

4.30(40),
3.29(40),
2.81(100),
2.065(50),
1.805(30),
1.755(60),
1.55(40),
1.437(50)

XRD chart Reidite

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

Physical Properties

Hardness (Mohs)

7.5

VHN (Hardness Vickers)

1650 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

5.162 ( ρ calc. Mineralienatlas )

Fracture

unregelmäßig

Tenacity

spröde

Instability

- konzentrierte NaOH bei 70°C

Preface

Author (Name, Year)

Glass & Liu & Leavens, 2002

References

American Mineralogist 87 (2002), 562

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Reidite

Zr[SiO4]

tetragonal : 4/m : I41/a

9.AD.45

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Reidite

Zr[SiO4]

tetragonal : 4/m : I41/a

VIII/A.09-005

Zircon

ZrSiO4

tetragonal : 4/mmm : I41/amd

VIII/A.09-010

Hafnon

HfSiO4

tetragonal : 4/mmm : I41/amd

VIII/A.09-020

Atelisite-(Y)

Y4Si3O8(OH)8

tetragonal : 42m : I42d

VIII/A.09-023

Stetindite-(Ce)

CeSiO4

tetragonal : 4/mmm : I41/amd

VIII/A.09-025

Thorite

ThSiO4

tetragonal : 4/mmm : I41/amd

VIII/A.09-030

Coffinite

U(SiO4)1-x(OH)4x

tetragonal : 4/mmm : I41/amd

VIII/A.09-040

'Thorogummite'

Th(SiO4)1-x(OH)4x

tetragonal : 4/mmm : I41/amd

VIII/A.09-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Zircon

ZrSiO4

tetragonal : 4/mmm : I41/amd

9.AD.100

Hafnon

HfSiO4

tetragonal : 4/mmm : I41/amd

9.AD.120

Reidite

Zr[SiO4]

tetragonal : 4/m : I41/a

9.AD.130

Atelisite-(Y)

Y4Si3O8(OH)8

tetragonal : 42m : I42d

9.AD.133

Stetindite-(Ce)

CeSiO4

tetragonal : 4/mmm : I41/amd

9.AD.140

Thorite

ThSiO4

tetragonal : 4/mmm : I41/amd

9.AD.150

Coffinite

U(SiO4)1-x(OH)4x

tetragonal : 4/mmm : I41/amd

9.AD.160

'Thorogummite'

Th(SiO4)1-x(OH)4x

tetragonal : 4/mmm : I41/amd

9.AD.180

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Larnite

Ca2SiO4

monoklin : 2/m : P21/n

51.05.01.01

Zircon

ZrSiO4

tetragonal : 4/mmm : I41/amd

51.05.02.01

Hafnon

HfSiO4

tetragonal : 4/mmm : I41/amd

51.05.02.02

Thorite

ThSiO4

tetragonal : 4/mmm : I41/amd

51.05.02.03

Coffinite

U(SiO4)1-x(OH)4x

tetragonal : 4/mmm : I41/amd

51.05.02.04

Huttonite

ThSiO4

monoklin : 2/m : P21/n

51.05.03.01

'Tombarthite-(Y)'

Y4(Si,H4)4O12-x(OH)4+2x

monoklin : 2/m : P21/n

51.05.03.02

Eulytine

Bi4(SiO4)3

kubisch : 43m : I43d

51.05.04.01

Reidite

Zr[SiO4]

tetragonal : 4/m : I41/a

51.05.06.01

Other languages

German

Reidit

Spanish

Reidita

English

Reidite

French

Reidite

Russian

Рейдит

IMA Number

IMA 2001-013

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

German pages

DeWikiPedia - search for: Reidit
Google-Bilder-Suche - search for: Reidit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Reidit

English pages

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

Russian pages

Webmineral.ru - search for: Рейдит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Reidit
Crystal-Treasure.com - search for: Reidit
Bosse - search for: Reidit

Locations with GPS information




Notice: "Undefined variable: ub"