Rock And Mineral Identification Guide Pdf

The mica group is the name given to a group of silicate minerals that have silicon and oxygen as their two major components.

Rock and mineral identification guide pdf.

First determine composition which is based on mineral content or color if you can t see minerals. Fine grains are smaller and usually cannot be identified without using a magnifier. 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.

The rock key use this key to ask and answer questions on your unknown rock specimens. The key can help guide you to the correct rock identification. How to identify rocks and minerals by jan c. In simple terms hard rock scratches glass and steel usually signifying the minerals.

Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier. Specimens for personal or classroom use. Rock mineral and fossil collections.

Trap rock is a name applied to any dark colored igneous rock used to produce crushed stone. To identify name igneous rocks you determine two things about the rock. Freeport mcmoran copper gold foundation. It is more important as a rock forming mineral than as a collectible specimen.

It is important as a rock forming mineral. Olivine is a group of minerals that come from magma. Difficult rocks elementary students find lots of rocks that you will not be able to identify. Then determine the texture of the rock and based on the two identify t he rock name.

Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors.