Rock And Mineral Identification Guide Pdf

First determine composition which is based on mineral content or color if you can t see minerals. This is measured with the mohs scale and refers to the minerals contained within a rock. The key can help guide you to the correct rock identification.

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

Rock and mineral identification guide pdf.

Trap rock is a name applied to any dark colored igneous rock used to produce crushed stone. To identify name igneous rocks you determine two things about the rock. Is the rock made of crystal grains. Rock and mineral kits.

How to identify rocks and minerals by jan c. Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. It is important as a rock forming mineral. You may need to use a magnifier.

Rock mineral and fossil collections. Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier. Muscovite is a member of the mica mineral group. Olivine is a group of minerals that come from magma.

Difficult rocks elementary students find lots of rocks that you will not be able to identify. Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors. Specimens for personal or classroom use. Then determine the texture of the rock and based on the two identify t he rock name.

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. Freeport mcmoran copper gold foundation. In simple terms hard rock scratches glass and steel usually signifying the minerals.

Fine grains are smaller and usually cannot be identified without using a magnifier.

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