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Heamanite-(Ce)

Additional Functions

Collectors Summary

Crystal System kubisch, Pm3m

Chemism

Chemical formula

(K0.5Ce0.5)TiO3

Empirical formula (analysis)

[(K0.268Na0.009)Σ0.277 (Ce0.143La0.086Pr0.009Nd0.016)Σ0.254 (Ca0.326Sr0.110Ba0.033Pb0.001)Σ0.470 Th0.002]Σ1.003 (Ti0.979Nb0.011Cr0.007Al0.003Fe0.002)Σ1.002 O3

Additional chem. information

CaO 10.70, K2O 7.38, Na2O 0.16, Ce2O3 13.77, La2O3 8.22, Pr2O3 0.84, Nd2O3 1.59, SrO 6.69, BaO 2.96, ThO2 0.36, PbO 0.15, TiO2 45.77, Cr2O3 0.32, Al2O3 0.10, Fe2O3 0.09, Nb2O5 0.87, UO3 0.01, Total 99.98 wt%

Chemical composition

Cerium, Titan, Kalium, Sauerstoff

Unit weight: 170.5895168564 u; Number of atoms in the formula: 5.005

Info

Empirical formula:

[(K0.268Na0.009)(Ce0.143La0.086Pr0.009Nd0.016)(Ca0.326Sr0.110Ba0.033Pb0.001)Th0.002](Ti0.979Nb0.011Cr0.007Al0.003Fe0.002)O3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

28.14

3

59.94

15.9994300

47.9982900
Sodium

Na

0.12

0.01

0.18

22.9897702

0.2069079
Aluminium

Al

0.05

0

0.06

26.9815382

0.0809446
Potassium

K

6.14

0.27

5.35

39.0983100

10.4783471
Calcium

Ca

7.66

0.33

6.51

40.0784000

13.0655584
Titanium

Ti

27.47

0.98

19.56

47.8671000

46.8618909
Chromium

Cr

0.21

0.01

0.14

51.9961600

0.3639731
Iron

Fe

0.07

0

0.04

55.8452000

0.1116904
Strontium

Sr

5.65

0.11

2.20

87.6210000

9.6383100
Niobium

Nb

0.60

0.01

0.22

92.9063820

1.0219702
Barium

Ba

2.66

0.03

0.66

137.3277000

4.5318141
Lanthanum

La

7.00

0.09

1.72

138.9055200

11.9458747
Cerium

Ce

11.75

0.14

2.86

140.1161000

20.0366023
Praseodymium

Pr

0.74

0.01

0.18

140.9076520

1.2681689
Neodymium

Nd

1.35

0.02

0.32

144.2430000

2.3078880
Lead

Pb

0.12

0

0.02

207.2100000

0.2072100
Thorium

Th

0.27

0

0.04

232.0381100

0.4640762

Strunz 9th edition incl. updates

4.CC.35

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
C: Mit großen und mittelgroßen Kationen
35:Loparit-Macedonit-Gruppe

IMA status

anerkannt - CNMNC Newsletter 55 (2020)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Perovskite supergroup  ⇒ Stoichiometric perovskites  ⇒ Perovskite subgroup

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

221

Space Group

Pm3m

Cell parameters a (Å)

3.9129(9)

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

1

Volume (ų)

59.91

Crystal structure

Perowskit-Gruppe; Struktur ermittelt

X-Ray Powder Diffraction

2.764(100), 2.259(7), 1.954(31), 1.596(42), 1.382(20), 1.236(15), 1.128(8), 1.045(19)
XRD chart Heamanite-(Ce)

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

Physical Properties

Density (g/cm³)

4.728 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kanada/Nordwest-Territorien (Northwest Territories)/Gahcho Kué Mine

Type material

Typisches Material befindet sich in den mineralogischen Sammlungen des Royal Ontario Museum, 100 Queen's Park, Toronto, ON M5S 2C6, Kanada, Katalognummer M59970

Preface

Name from

Larry Heaman, der radiometrische Altersbestimmungsmethoden auf diamantführende Kimberlite, Eklogite und Lamprophyrgänge angewendet hat

Author (Name, Year)

Chiara Anzolini; William K. Siva-Jothy; Andrew J. Locock; Fabrizio Nestola; Tonči Balić-Žunić, Matteo Alvaro; Ingrid L. Chinn; Thomas Stachel; D. Graham Pearson (2022)

References

Anzolini, C., Siva-Jothy, W., Locock, A.J., Nestola, F., Balić-Žunić, T., Alvaro, M., Stachel, T. and Pearson, D.G. (2020) Heamanite-(Ce), IMA 2020-001. CNMNC Newsletter No. 55; Mineralogical Magazine, 84, https://doi.org/10.1180/mgm.2020.39

Chiara Anzolini; William K. Siva-Jothy; Andrew J. Locock; Fabrizio Nestola; Tonči Balić-Žunić, Matteo Alvaro; Ingrid L. Chinn; Thomas Stachel; D. Graham Pearson: Heamanite-(Ce), (K0.5Ce0.5)TiO3, a new perovskite supergroup mineral found in diamond from Gahcho Kué, Canada. American Mineralogist Vol.107, Nr. 7 (2022) S. 1635-1642. doi: 10.2138/am-2022-8098

IMA group assignments

Other languages

German

Heamanit-(Ce)

English

Heamanite-(Ce)

CNMNC (IMA)-Number

IMA 2020-001

CNMNC symbol

Symbol

Hea-Ce

IDs

GUSID (Global unique identifier short form) UFTH7lmQFEud2teAcgBbnA
GUID (Global unique identifier) EEC75450-9059-4B14-9DDA-D78072005B9C
Database ID 8874