Rock And Mineral Identification Guide Pdf

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Rock and mineral identification guide pdf.

First determine composition which is based on mineral content or color if you can t see minerals. 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.

The mica group is the name given to a group of silicate minerals that have silicon and oxygen as their two major components. It is more important as a rock forming mineral than as a collectible specimen. The rock key use this key to ask and answer questions on your unknown rock specimens. How to identify rocks and minerals by jan c.

Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors. You may need to use a magnifier. 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.

To identify name igneous rocks you determine two things about the rock. Muscovite is a member of the mica mineral group. Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. Specimens for personal or classroom use.

Is the rock made of crystal grains. The key can help guide you to the correct rock identification. 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.

In simple terms hard rock scratches glass and steel usually signifying the minerals.