A glass of water is fundamentally the same as a glass of lava because ice acts as a mineral and therefore melted ice corresponds to molten rock.

“I would go a step further though and say that a glass of water is actually just a glass of lava. [laughter] A cube of ice is made of a mineral. So it's a monommineralic rock. So melted ice is molten rock. Therefore everything you consume is lava.”