Table 1 Representative chemical composition of allabogdanite and associated minerals.

From: Allabogdanite, the high-pressure polymorph of (Fe,Ni)2P, a stishovite-grade indicator of impact processes in the Fe–Ni–P system

Mineral

Constituent (wt.%)

Formula

Meteorite

Fe

Ni

Co

P

Total

Allabogdanite 1a

51.76

24.92

2.10

20.85

99.63

(Fe1.35Ni0.62Co0.05)2.02P0.98

Santa Catharina

Allabogdanite 2a

51.31

25.26

2.32

20.95

99.84

(Fe1.33Ni0.63Co0.06)2.02P0.98

Santa Catharina

Allabogdanite 3a

51.40

25.33

2.20

20.68

99.61

(Fe1.34Ni0.63Co0.05)2.02P0.97

Santa Catharina

Barringeriteb

53.7

22.7

2.16

21.6

100.16

(Fe1.38Ni0.56Co0.05)1.99P1.00

Santa Catharina

Allabogdanite

44.16

32.98

1.10

21.59

99.83

(Fe1.15Ni0.82Co0.03)2.02P1.01

Barbianello

Allabogdanitec

57.65

20.85

2.06

19.33

99.89

(Fe1.49Ni0.48Co0.05)2.02P0.98

Onello

Schreibersite

44.12

40.17

0.56

14.96

99.81

(Fe1.61Ni1.39Co0.02)2.02P0.98

Santa Catharina

Nickelphosphide

38.48

46.16

0.39

14.89

99.92

(Ni1.60Fe1.40Co0.01)2.02P0.98

Santa Catharina

Tetrataenite

52.74

46.62

0.31

bdlc

99.67

(Fe0.54Ni0.46)

Barbianello

Kamacite

92.68

6.15

1.53

bdl

100.36

(Fe0.93Ni0.06Co0.01)

Barbianello

Host metal

66.04

32.77

0.76

bdl

99.57

(Fe0.67Ni0.32Co0.01)

Santa Catharina

Host metal

71.86

27.38

0.94

bdl

100.18

(Fe0.73Ni0.26Co0.01)

Barbianello

Host metal

78.22

20.45

0.91

bdl

99.58

(Fe0.80Ni0.20Co0.01)

Onello

  1. aThe numbering of analyses corresponds to the allabogdanite crystals numbered in Fig. 1. bThe mineral was reported as barringerite based on the chemical composition42. cAverage of 4 analyses. cbdl: below detection limit.
Back to article page