Chemistry — Phase: carbon (graphite/diamond)
The carbon phase diagram with graphite and diamond.
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title "Carbon phase diagram"
type pt
triple 4600 10800
critical 6800 220000
region "Graphite" at (0.2, 0.35) color slate
region "Diamond" at (0.4, 0.8) color blue
region "Liquid" at (0.65, 0.6) color teal
region "Vapour" at (0.7, 0.12) color amber