The most common INTRUSIVE rock is granite && its found near volcanoes. Its INTRUSIVENOT INSTRUCTIVE
whwts is instructive language
Pain can be instructive if you are able to learn from it.
instructive
There are LARGE CRYSTALS....
There is no rock that makes up igneous rock. It is made when lava cools and hardens.
Rock Luster is the streak a rock makes.
rock that makes up coninental Crust
Rock salt
Rock salt
An apothegm is a short, witty, instructive saying.
Instructable and instructive are adjectives.