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. Author manuscript; available in PMC: 2010 Nov 15.
Published in final edited form as: Geochim Cosmochim Acta. 2008 Jan 15;72(2):493–505. doi: 10.1016/j.gca.2007.11.008

Table 2.

Unit cell parameters for synthetic mackinawite

a = b (Å) c (Å)
Synthetic Mka 3.67 5.20
Synthetic MkAb 4.02 6.60
Synthetic MkBb 3.65 5.48
Crystalline Mkc 3.6735(4) 5.0328(7)
a

Synthetic mackinawite aged for 3 days (this study).

b

Synthetic mackinawite aged for < 0.5 h (Wolthers et al., 2003).

c

Well-crystalline mackinawite (Lennie at al., 1995).