Rock And Mineral Identification Guide Pdf

You may need to use a magnifier.

Rock and mineral identification guide pdf. It is more important as a rock forming mineral than as a collectible specimen. Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors. To identify name igneous rocks you determine two things about the rock. This is measured with the mohs scale and refers to the minerals contained within a rock.

Trap rock is a name applied to any dark colored igneous rock used to produce crushed stone. 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.

Difficult rocks elementary students find lots of rocks that you will not be able to identify. Specimens for personal or classroom use. Fine grains are smaller and usually cannot be identified without using a magnifier. Rock mineral and fossil collections.

Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. In simple terms hard rock scratches glass and steel usually signifying the minerals. It is important as a rock forming mineral. The key can help guide you to the correct rock identification.

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 kits. Olivine is a group of minerals that come from magma. Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier.

The rock key use this key to ask and answer questions on your unknown rock specimens.