Rock And Mineral Identification Guide Pdf

It is more important as a rock forming mineral than as a collectible specimen.

Rock and mineral identification guide pdf.

To identify name igneous rocks you determine two things about the rock. Rasmussen revised from a booklet by susan celestian 2012 donations for reproduction from. The rock key use this key to ask and answer questions on your unknown rock specimens. Rock and mineral kits.

The mica group is the name given to a group of silicate minerals that have silicon and oxygen as their two major components. Does it have a lot of flat shiny faces may be tiny or small that reflect light like little mirrors. Is the rock made of crystal grains. Specimens for personal or classroom use.

In simple terms hard rock scratches glass and steel usually signifying the minerals. First determine composition which is based on mineral content or color if you can t see minerals. Freeport mcmoran copper gold foundation. It is important as a rock forming mineral.

Then determine the texture of the rock and based on the two identify t he rock name. Coarse grains are visible to the naked eye and the minerals can usually be identified without using a magnifier. You may need to use a magnifier. This is measured with the mohs scale and refers to the minerals contained within a rock.

Muscovite is a member of the mica mineral group. 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. The key can help guide you to the correct rock identification.

Rock mineral and fossil collections.