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Swiss Journal of Geosciences

Table 6 Composition of thorite

From: Bristen granite: a highly differentiated, fluorite-bearing A-type granite from the Aar massif, Central Alps, Switzerland

Mineral

Thorite

Thorite

Point

29

30

SiO2

18.61

19.36

ThO2

52.72

52.30

UO2

23.00

24.68

Y2O3

1.47

1.65

FeO

0.37

0.43

Total

96.33

98.57

Si

1.018

1.028

Th

0.656

0.632

U

0.280

0.292

Y

0.043

0.047

Fe

0.017

0.019

Sum M

0.996

0.989

  1. aOxides in wt%, stoichiometry per 4 oxygens
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