Its age, how it was formed, and where it was formed
A rock is made of different minerals.
minerals
minerals
Hydrochloric Acid- Calcite will fizz.
A rock is not a mineral however a rock is made of several minerals
MINERALS
Rock minerals form from lava, magma or solutions.
Well, the minerals in rocks vary depending on the type of rock.
The orientation of a rock's magnetic field can tell you the direction in which the rock was formed, as the magnetic minerals in the rock align themselves with the Earth's magnetic field at the time of formation. It can provide insights into the geological history of the rock, including its age and past movements.
Granite is one example of a rock containing two or more minerals.
Rocks are aggregates of minerals,thus there is no rock without minerals. Q.E.D
An Introduction to the Rock-Forming Minerals was created in 1966.