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Hingganite-(Yb)

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 6.5
Crystal System monoklin, P21/a

Chemism

Chemical formula

(Yb,Y)BeSiO4(OH)

Chemical composition

Beryllium, Silicium, Ytterbium, Yttrium, Sauerstoff, Wasserstoff

Unit weight: 270.1115223 u; Number of atoms in the formula: 9

Info

Empirical formula:

(Yb0.75Y0.25)BeSiO4(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.37

1

11.11

1.0079470

1.0079470
Beryllium

Be

3.34

1

11.11

9.0121823

9.0121823
Oxygen

O

29.62

5

55.56

15.9994300

79.9971500
Silicon

Si

10.40

1

11.11

28.0855300

28.0855300
Yttrium

Y

8.23

0.25

2.78

88.9058520

22.2264630
Ytterbium

Yb

48.05

0.75

8.33

173.0430000

129.7822500

Strunz 9th edition incl. updates

9.AJ.20

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
J: Insel(Neso)silikate mit BO3 Triangeln und /oder B[4], Be[4] Tetraedern, eckenteilend mit SiO4
20:Datolith-Gruppe

Lapis Classification

VIII/B.29-090

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
29: Kationen mit Koordinationszahlen zwischen [8] und [12]; Beryllium- und Bor-Inselsilikate; Datolith/Gadolinit-Gruppe

Classification by Hölzel

9.AK.360

9: SILICATES
A: Nesosilicates
K: Boro and Beryllo Nesosilicates
3: Gadolinite-Group (with REE's)

Dana 8th edition

54.02.01a.04

54: Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates
02: Nesosilicates Nesosilicate Borosilicates and Some Beryllosilicates with B in [4] coordination
01a: Datolite group (Datolite series)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Gadolinite supergroup  ⇒ Gadolinite Group  ⇒ Gadolinite subgroup

Optical Properties

Color

farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.035
Birefringence chart\! Hingganite-(Yb) title=Birefringence chart Hingganite-(Yb)

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.725

RI value β

1.738

RI value γ / ε

1.760

Ri mean

1.741

2V angle

Biaxial (+) 65°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell parameters a (Å)

9.888

Cell parameters b (Å)

7.607

Cell parameters c (Å)

4.740

Cell parameters a/b or c/a

1.300

Cell parameters c/b

0.623

Cell parameters α

90°

Cell parameters β

90.45

Cell parameters γ

90°

Z

4

Volume (ų)

356.522

X-Ray Powder Diffraction

6.06(70),
4.76(60),
3.74(60),
3.13(100),
2.85(100),
2.572(80),
2.542(80),
1.977(80)
XRD chart Hingganite-(Yb)

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6.5

VHN (Hardness Vickers)

960 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.83

5.032 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Voloshin & Pakhomovskiy & Men'shikov & Povarennykh & Matvinenko & Yaku

References

Doklady Akademiia Nauk, SSSR (USSR) (in Russian) 270 (1983), 1188

IMA group assignments

Other languages

German

Hingganit-(Yb)

Spanish

Hingganita-(Yb)

French

Hingganite-(Yb)

English

Hingganite-(Yb)

Russian

Хинганит-(Yb)

CNMNC (IMA)-Number

IMA 1982-041

CNMNC symbol

Symbol

Hin-Yb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) -R80v_a_YU6oGNo4t-Veww
GUID (Global unique identifier) BF341FF9-BFF6-4E61-A818-DA38B7E55EC3
Database ID 1605