Question

Crystalline and compact grains rocks are called

Answer 1

Answer:

In either case the size of the individual grains can vary considerably. Rocks with crystalline texture are usually harder and more compact than those with granular texture. When crystalline rocks are broken they tend to fracture along smooth, angular surfaces within individual crystals, rather than between crystals.

Answer 2

Explanation:

Explanation:

Crystalline rock, any rock composed entirely of crystallized minerals without glassy matter. Intrusive igneous rocks—those that congeal at depth—are virtually always crystalline, whereas extrusive igneous rocks, or volcanic rocks, may be partly to entirely glassy.