the.com/metamorphic
Rocks that survived hell, then bragged about it with stripes.
means Describes rock transformed by intense heat and pressure into a new form, without ever fully melting.
from From Greek meta (change) plus morphe (shape) — literally a change of shape, the same root that names Kafka's unlucky beetle.
No meltingMelt it and you get igneous instead.
Marble's originPlain limestone, pressure-cooked into Michelangelo material.
Schist happensHeat aligns minerals into shiny, foliated bands.
Diamond cousinGraphite turns to diamond under the same forces.