The minerals kyanite and sillimanite have the same composition (Al2SiO5) but different crystal structures--they are found only in metamorphic rocks.
(The minerals; have; the same composition (Al2SiO5) but different crystal structures) (they; are found; L:only in metamorphic rocks) Context(they are found,List([107, 121))):(The minerals; kyanite; )
they are found,List([107, 121))
The minerals they The minerals
have are found kyanite
the same composition (Al2SiO5) but different crystal structures
L:only in metamorphic rocks