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Thorutite (Thorutit)

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Thorutit
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Thorutit
Anschliff von schwarzem Thorutit mit Calcit (rechter Rand, heller) eingebettet in Epoxidharz, Severnyi area (North area), Zardalek-Alkali-Massiv, Sokh-Tal, Osch, Kirgisistan; BB ~ 1,5 mm, analysiert mittels REM-EDX
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Kirgistan/Osch (Osh), Oblast/Alai-Hochgebirge/Sokh-Tal (Sokh-Flusslauf)/Zardalek-Massiv/Severnyi Bereich (North area)
Mineral: Thorutite
Image: 1637789777
License: Usage for Mineralienatlas project only
Thorutit  E
Analysed with energy dispersive X-ray spectroscopy EDX

Anschliff von schwarzem Thorutit mit Calcit (rechter Rand, heller) eingebettet in Epoxidharz, Severnyi area (North area), Zardalek-Alkali-Massiv, Sokh-Tal, Osch, Kirgisistan; BB 1,5 mm, analysier...
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2021-11-24
Locality: Severnyi Bereich (North area) / Zardalek-Massiv / Sokh-Tal (Sokh-Flusslauf) / Alai-Hochgebirge / Osch (Osh), Oblast / Kirgistan

Collectors Summary

Color schwarz, dunkelbraun
Streak color hellbraun
Hardness (Mohs) 5.5
Crystal System monoklin, C2/m

Chemism

Chemical formula

(Th,U,Ca)Ti2(O,OH)6

Chemical composition

Calcium, Thorium, Titan, Sauerstoff, Uran, Wasserstoff

Unit weight: 407.8820804 u; Number of atoms in the formula: 10.5

Info

Empirical formula:

(Th0.6U0.3Ca0.1)Ti2(O0.75(OH)0.25)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.37

1.5

14.29

1.0079470

1.5119205
Oxygen

O

23.54

6

57.14

15.9994300

95.9965800
Calcium

Ca

0.98

0.1

0.95

40.0784000

4.0078400
Titanium

Ti

23.47

2

19.05

47.8671000

95.7342000
Thorium

Th

34.13

0.6

5.71

232.0381100

139.2228660
Uranium

U

17.51

0.3

2.86

238.0289130

71.4086739

Analysis wt%

ThO2 : 54.10, UO2 : 1.43, CaO : 1.07, TiO2 : 36.10, FeO : 1.10, Al2O3 : 1.50, Nb2O5 : 1.12, SiO2 : 0.44 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 58)

Strunz 9th edition incl. updates

4.DH.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
H: Mit großen (± mittelgroßen) [Kationen]; Lagen kantenverknüpfter Oktaeder
05:Brannerit-Gruppe

Lapis Classification

IV/D.22-010

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)

Classification by Hölzel

4.DJ.640

4: OXIDES
D: Dioxides
J: Titanates, Niobates and Tantalates, C large, V medium ò 2
6: Brannerite-Group

Dana 8th edition

08.03.04.02

08: Multiple Oxides with Nb, Ta, and Ti
03: Multiple Oxides with Nb, Ta, and Ti where A (B2O6)

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

schwarz, dunkelbraun

Streak color

hellbraun

Diaphaneity (Transparency)

durchscheinend

RI value α / ω / n

2.1

RI value β

iso-

RI value γ / ε

trop.

Ri mean

2.1

2V angle

i metam.

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters α

90°

Cell parameters β

nd

Cell parameters γ

90°

Z

2

X-Ray Powder Diffraction

4.35(20),
3.34(20),
3.17(100),
2.72(30),
1.728(80),
1.695(80),
1.632(40),
1.226(30)
XRD chart Thorutite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

5.82

(Co-)Type locality

(Co-)Type locality

Kirgistan/Osch (Osh), Oblast/Alai-Hochgebirge/Sokh-Tal (Sokh-Flusslauf)/Zardalek-Massiv/Severnyi Bereich (North area)

Preface

Author (Name, Year)

Gotman & Khapaev, 1958

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: Ionizing radiation: Radioaktiv

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 87 (1958), 201

Other languages

German

Thorutit

French

Thorutite

English

Thorutite

Spanish

Torutita

Russian

Торутит

Japanese

ﾄﾙｰﾀｲﾄ

Alternative Name

German

Smirnovit

Spanish

Smirnovita

English

Smirnovite

Spanish

Thorutita

CNMNC symbol

Symbol

Thu

Locations with GPS information