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Hiärneite

Pictures (1 Images total)

Hiärneit
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Hiärneit
rotoranger Kristall von Hiärneit, Långban, Schweden; BB < 1 mm
Copyright: Joy Desor; Contribution: openpit
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Långban, Distrikt/Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte
Mineral: Hiärneite
Image: 1581856026
License: Usage for Mineralienatlas project only
Hiärneit

rotoranger Kristall von Hiärneit, Långban, Schweden; BB < 1 mm
Copyright: Joy Desor
Contribution: openpit 2020-02-16
Locality: Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte / Långban, Distrikt / Filipstad, Gemeinde / Värmland, Provinz / Schweden

Collectors Summary

Hardness (Mohs) 7
Solubility - kalte Säuren
Crystal System tetragonal, I41/acd

Chemism

Chemical formula

Ca2Zr4Mn3+SbTiO16

Chemical composition

Antimon, Calcium, Mangan, Titan, Zirconium, Sauerstoff

Unit weight: 925.6097299 u; Number of atoms in the formula: 25

Info

Empirical formula:

Ca2Zr4MnSbTiO16

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

27.66

16

64.00

15.9994300

255.9908800
Calcium

Ca

8.66

2

8.00

40.0784000

80.1568000
Titanium

Ti

5.17

1

4.00

47.8671000

47.8671000
Manganese

Mn

5.94

1

4.00

54.9380499

54.9380499
Zirconium

Zr

39.42

4

16.00

91.2242000

364.8968000
Antimony

Sb

13.15

1

4.00

121.7601000

121.7601000

Analysis wt%

Na2O : 0.45, CaO : 9.02, MnO : 5.81, Mn2O3 : 1.65, TiO2 : 4.57, ZrO2 : 53.23, HfO2 : 0.50, Sb2O5 : 24.07, Fe2O3 : 0.57 (Ref: European Journal of Mineralogy 97)

Strunz 9th edition incl. updates

4.DL.10

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
L: Mit großen (± mittelgroßen) [Kationen]; [Fluorit] typische Strukturen
10:Calzirtit-Gruppe

Lapis Classification

IV/D.31-035

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

Classification by Hölzel

4.CO.185

4: OXIDES
C: R2O3 Sesquioxides
O: Pseudopyrochlore-Group

Dana 8th edition

08.07.04.02

08: Multiple Oxides with Nb, Ta, and Ti
07: Multiple Oxides with Nb, Ta, and Ti

IMA status

anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Calzirtite group

Optical Properties

max. Birefringence

0.04
Birefringence chart\! Hiärneite title=Birefringence chart Hiärneite

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

2.12

RI value γ / ε

2.16

Ri mean

2.133

2V angle

Uniaxial (+)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

142

Space Group

I41/acd

Cell parameters a (Å)

15.2344(6)

Cell parameters b (Å)

-

Cell parameters c (Å)

10.0891(6)

Cell parameters a/b or c/a

0.662

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

2341.548

Crystal structure

aufgeklärt, isostructurell mit Calzirtit, siehe Dan Holtstam; Luca Bindi: Crystal structure and composition of hiärneite, Ca2Zr4Mn3+SbTiO16, and constitution of the calzirtite group. Mineralogical Magazine Vol.86, Nr. 2 (2022) S. 314-318.

X-Ray Powder Diffraction

3.45(40),
3.38(0),
2.92(0),
2.539(0),
2.168(0),
1.792(30),
1.534(100),
1.520(60),
(30)

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

7

VHN (Hardness Vickers)

1254 (50g)

Density (g/cm³)

5.44 (berechnet)

5.251 ( ρ calc. Mineralienatlas )

Tenacity

spröde

Instability

- kalte Säuren

(Co-)Type locality

(Co-)Type locality

Schweden/Värmland, Provinz/Filipstad, Gemeinde/Långban, Distrikt/Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte

Preface

Author (Name, Year)

Holtstam, 1997

References

European Journal of Mineralogy 9 (1997), 843.

Strunz Mineralogical Tables 9. Edition (2001), 228.

Dan Holtstam; Luca Bindi: Crystal structure and composition of hiärneite, Ca2Zr4Mn3+SbTiO16, and constitution of the calzirtite group. Mineralogical Magazine Vol.86, Nr. 2 (2022) S. 314-318. doi: 10.1180/mgm.2022.19

IMA group assignments

Other languages

German

Hiärneit

French

Hiärneite

English

Hiärneite

Spanish

Hiärneíta

Russian

Хиернеит

CNMNC (IMA)-Number

IMA 1996-040

CNMNC symbol

Symbol

Hiä

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ezHSZ1XDnUufcx9bMMLcBw
GUID (Global unique identifier) 67D2317B-C355-4B9D-9F73-1F5B30C2DC07
Database ID 1593