Rock And Mineral Identification Guide Pdf

Is the rock made of crystal grains.

Rock and mineral identification guide pdf.

The key can help guide you to the correct rock identification. How to identify rocks and minerals by jan c. First determine composition which is based on mineral content or color if you can t see minerals. The mica group is the name given to a group of silicate minerals that have silicon and oxygen as their two major components.

You may need to use a magnifier. Freeport mcmoran copper gold foundation. Difficult rocks elementary students find lots of rocks that you will not be able to identify. In simple terms hard rock scratches glass and steel usually signifying the minerals.

It is important as a rock forming mineral. This is measured with the mohs scale and refers to the minerals contained within a rock. Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. Fine grains are smaller and usually cannot be identified without using a magnifier.

Trap rock is a name applied to any dark colored igneous rock used to produce crushed stone. 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. 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. Olivine is a group of minerals that come from magma. Specimens for personal or classroom use. Rock and mineral kits.

Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier.