Rock And Mineral Identification Guide Pdf

This is measured with the mohs scale and refers to the minerals contained within a rock.

Rock and mineral identification guide pdf.

Difficult rocks elementary students find lots of rocks that you will not be able to identify. Muscovite is a member of the mica mineral group. Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors. Olivine is a group of minerals that come from magma.

You may need to use a magnifier. It is more important as a rock forming mineral than as a collectible specimen. Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier. First determine composition which is based on mineral content or color if you can t see minerals.

Rock mineral and fossil collections. Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. It is important as a rock forming mineral. The rock key use this key to ask and answer questions on your unknown rock specimens.

Fine grains are smaller and usually cannot be identified without using a magnifier. The key can help guide you to the correct rock identification. Freeport mcmoran copper gold foundation. Then determine the texture of the rock and based on the two identify t he rock name.

To identify name igneous rocks you determine two things about the rock. Trap rock is a name applied to any dark colored igneous rock used to produce crushed stone. How to identify rocks and minerals by jan c. In simple terms hard rock scratches glass and steel usually signifying the minerals.

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