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