Rock And Mineral Identification Guide Pdf

Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from.

Rock and mineral identification guide pdf. First determine composition which is based on mineral content or color if you can t see minerals. The key can help guide you to the correct rock identification. In simple terms hard rock scratches glass and steel usually signifying the minerals. To identify name igneous rocks you determine two things about the rock.

How to identify rocks and minerals by jan c. Rock and mineral kits. Specimens for personal or classroom use. Then determine the texture of the rock and based on the two identify t he rock name.

This is measured with the mohs scale and refers to the minerals contained within a rock. It is important as a rock forming mineral. 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.

Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors. Rock mineral and fossil collections. Difficult rocks elementary students find lots of rocks that you will not be able to identify. Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier.

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

Is the rock made of crystal grains.