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.

How to identify rocks and minerals by jan c. The key can help guide you to the correct rock identification. Rock mineral and fossil collections. You may need to use a magnifier.

Freeport mcmoran copper gold foundation. Rock and mineral kits. Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors.

First determine composition which is based on mineral content or color if you can t see minerals. Trap rock is a name applied to any dark colored igneous rock used to produce crushed stone. Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier. It is more important as a rock forming mineral than as a collectible specimen.

Olivine is a group of minerals that come from magma. To identify name igneous rocks you determine two things about the rock. Is the rock made of crystal grains. Muscovite is a member of the mica mineral group.

Then determine the texture of the rock and based on the two identify t he rock name. 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. Specimens for personal or classroom use.

Difficult rocks elementary students find lots of rocks that you will not be able to identify.