Some individual minerals in metamorphic rocks are bounded by their crystal faces. What adjective identifies this type of rock?

W) Xenoblastic [ZEN-uh-BLAYS-tik]

X) Idioblastic [id-ee-uh-BLAS-tik]

Y) Crystalloblastic

Z) Porphyroblastic [por-fi-roh-BLAS-tik]
X) IIDOBLASTIC