Table 1

Assignment of Miller indices (hkl) to the peaks observed in Figure 1.

Peak Position (Å)
Assignment (hkl)a)



Mackinawite
Greigite
Pyrite

1.63


(311)* b)
1.75

(440)*

1.84
(200)*


1.92

(511)
(220)
2.21


(211)
2.31
(111)


2.42

(400)
(210)
2.71


(200)*
2.98
(101)
(311)

3.13


(111)

a) JCPDS International Center for Diffraction Data, 2001: mackinawite 24-0073, greigite 16-0713, pyrite 42-1340.

b) marked peaks (*) were used to calculate the reaction progress variable α.

Hunger and Benning Geochemical Transactions 2007 8:1   doi:10.1186/1467-4866-8-1