What does the presence of tiny crystals in a piece of igneous rock tell you about it?

Neron po bang story o wala poh

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

no but i do not usually comment or use my voice that much when it comes to social media