Further reading suggests a possible mineral component.
[Irouléguy] No.
[Inkspot] YES!
[Raak] Maybe, not sure.
[irach] "The atmosphere" are not the words that appear on the card.
[Irouléguy] No.
[irach] No.
[irach] No.
[Raak, irach, CdM, Rosie] No.
[Rosie] I wouldn't be that pedantic (see CdM's last guess).
[Ir] Nope.