First determine composition which is based on mineral content or color if you can t see minerals.
Rock and mineral identification guide pdf.
The rock key use this key to ask and answer questions on your unknown rock specimens.
The mica group is the name given to a group of silicate minerals that have silicon and oxygen as their two major components.
In simple terms hard rock scratches glass and steel usually signifying the minerals.
It is important as a rock forming mineral.
This is measured with the mohs scale and refers to the minerals contained within a rock.
Rock and mineral kits.
Olivine is a group of minerals that come from magma.
To identify name igneous rocks you determine two things about the rock.
Muscovite is a member of the mica mineral group.
Rock mineral and fossil collections.
How to identify rocks and minerals by jan c.
Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier.
Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from.
Freeport mcmoran copper gold foundation.
Trap rock is a name applied to any dark colored igneous rock used to produce crushed stone.
Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors.
Specimens for personal or classroom use.
The key can help guide you to the correct rock identification.
Difficult rocks elementary students find lots of rocks that you will not be able to identify.
Fine grains are smaller and usually cannot be identified without using a magnifier.
It is more important as a rock forming mineral than as a collectible specimen.