1 H2S:

1/3pyrite + 1/3pyrrohtite + 2/3prehnite + 2/3H2Ol = 2/3epidote + H2Saq

2 H2S:

2/3grossular + 1/3pyrite + 1/3pyrrohtite + 2/3quartz + 4/3H2O = 2/3epidote + 2/3wollastonite + H2Saq

3 H2S:

2grossular + 1/4pyrite + 1/2magnetite + 2quartz + 2H2O = 2epidote + 2wollastonite + H2Saq

4 H2S:

1/4pyrite + 1/2pyrrohtite + H2O = 1/4magnetite + H2Saq

5 H2:

4/3pyrrohtite + 2/3prehnite + 2/3H2O = 2/3epidote + 2/3pyrite + H2,aq

6 H2:

2/3grossular + 4/3pyrrohtite + 2/3quartz + 4/3H2Ol = 2/3epidote + 2/3wollastonite + 2/3pyrite + H2,aq

7 H2:

6grossular + 2magnetite + 6quartz + 4H2O = 6epidote + 6wollastonite + H2,aq

8 H2:

3/2pyrrohtite + H2O = 3/4pyrite + 1/4magnetite + H2,aq

9 CO2:

clinozoisite + calcite + 3/2quartz + H2O = 3/2prehnite + CO2,aq

10 CO2:

2/5clinozoisite + calcite + 3/5quartz = 3/5grossular + 1/5H2O + CO2,aq