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Yttrocrasite-(Y) (Yttrokrasit-(Y))

Pictures (2 Images total)

Yttrocrasit-(Y) in Chloritoid
Views (File:
1245180904
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Yttrocrasit-(Y) in Chloritoid
Bildbreite: 5 mm; Fundort: Chudnoe, Grubependitysee, Komi-Republik, Nordwestrussland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Komi, Republik/Kozhim Fluß-Basin/Maldynyrd Gebiet/Grubependity-See/Chudnoe
Mineral: Yttrocrasite-(Y)
Image: 1245180904
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Yttrocrasit-(Y) in Chloritoid

Bildbreite: 5 mm; Fundort: Chudnoe, Grubependitysee, Komi-Republik, Nordwestrussland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-16
Locality: Chudnoe / Grubependity-See / Maldynyrd Gebiet / Kozhim Fluß-Basin / Komi, Republik / Nordwestrussland, Föderationskreis / Russland
Yttrocrasit-(Y) in Chloritoid
Views (File:
1245181535
): 1241
Yttrocrasit-(Y) in Chloritoid
mit Hämatit; Bildbreite: 5 mm; Fundort: Chudnoe, Grubependitysee, Komi-Republik, Nordwestrussland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Komi, Republik/Kozhim Fluß-Basin/Maldynyrd Gebiet/Grubependity-See/Chudnoe
Mineral: Yttrocrasite-(Y)
Image: 1245181535
License: Usage for Mineralienatlas project only
Yttrocrasit-(Y) in Chloritoid

mit Hämatit; Bildbreite: 5 mm; Fundort: Chudnoe, Grubependitysee, Komi-Republik, Nordwestrussland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-16
Locality: Chudnoe / Grubependity-See / Maldynyrd Gebiet / Kozhim Fluß-Basin / Komi, Republik / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color schwarz
Streak color rötlichbraun
Hardness (Mohs) 5.75
Solubility +++ HF, heiße H2SO4

Chemism

Chemical formula

(Y,Th,Ca,U)(Ti,Fe3+)2(O,OH)6

Additional chem. information

allg. durch W verunreinigt

Chemical composition

Calcium, Eisen, Thorium, Titan, Yttrium, Sauerstoff, Uran, Wasserstoff

Unit weight: 331.65068775 u; Number of atoms in the formula: 10.5

Info

Empirical formula:

(Y0.55Th0.3Ca0.1U0.05)(Ti0.75Fe0.25)2(O0.75(OH)0.25)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.46

1.5

14.29

1.0079470

1.5119205

Oxygen

O

28.95

6

57.14

15.9994300

95.9965800

Calcium

Ca

1.21

0.1

0.95

40.0784000

4.0078400

Titanium

Ti

21.65

1.5

14.29

47.8671000

71.8006500

Iron

Fe

8.42

0.5

4.76

55.8452000

27.9226000

Yttrium

Y

14.74

0.55

5.24

88.9058520

48.8982186

Thorium

Th

20.99

0.3

2.86

232.0381100

69.6114330

Uranium

U

3.59

0.05

0.48

238.0289130

11.9014457

Strunz 9th edition incl. updates

4.DG.05

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

Lapis Classification

IV/D.19-020

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

Classification by Hölzel

4.DJ.260

4: OXIDES
D: Dioxides
J: Titanates, Niobates and Tantalates, C large, V medium ò 2
2: other Titanates

Dana 8th edition

08.03.08.04

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

Mineral status

Mineralstatus fragwürdig

Optical Properties

Color

schwarz

Streak color

rötlichbraun

Diaphaneity (Transparency)

opak

RI value α / ω / n

2.12

RI value γ / ε

2.15

Ri mean

2.13

2V angle

i metam.

Crystallography

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Physical Properties

Hardness (Mohs)

5.75

VHN (Hardness Vickers)

630 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.8

Radioactivity

radioaktiv

Instability

+++ HF, heiße H2SO4

(Co-)Type locality

(Co-)Type locality

USA/Texas/Burnet Co./Baringer Hill Pegmatit

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

Other languages

Spanish

Itrocrasita-(Y)

French

Yttrocrasite-(Y)

English

Yttrocrasite-(Y)

German

Yttrokrasit-(Y)

Russian

Иттрокразит-(Y)

Simplified Chinese

钛钇钍矿

Japanese

イットリウムイットロクラサイト

Alternative Name

German

Yttrocrasit-(Y)

Italian

Yttrocrasita

Yttrocrasite

CNMNC symbol

Symbol

Ycr-Y

IDs

GUSID (Global unique identifier short form) qDDaeYPHGUCHKuwAJpAu5g
GUID (Global unique identifier) 79DA30A8-C783-4019-872A-EC0026902EE6
Database ID 4243