Rock Identification Key

$2.50

Dichotomous key for 18 common rocks

Rock identification key | dichotomous key | backyard rock key | identify common rocks | rock properties

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So you have a rock but you don’t know what it is? With so many different types of rocks, it can be hard to determine which rock is which.

Don’t worry though, our dichotomous rock key has you covered. This rock key has 18 common backyard rock types that you can easily use to identify rocks. 

This hands-on identification for kids uses rock properties like luster, grain size, hardness, and streak to help you determine different types of rocks, It not only uses rock properties but this ID comes with plenty of pictures, and an easy to read chart.

The rocks found on the key are:

– Anthracite (sedimentary)
– Basalt (igneous)
– Chert/Flint (sedimentary)
– Conglomerate (sedimentary)
– Diabase (igneous)
– Gabbro (igneous)
– Gneiss (metamorphic)
– Granite (metamorphic)
– Limestone (sedimentary)
– Marble (metamorphic)
– Obsidian (igneous)
– Pumice (igneous)
– Quartzite (metamorphic)
– Rhyolite (igneous)
– Sandstone (sedimentary)
– Schist (metamorphic)
– Serpentinite (metamorphic)
– Shale (semdimentary)

Or grab the full Meet the Rocks Lesson about rock properties here.

What People are Saying about the Rock Key
“Even though I do go over the rock cycle and rock identification with my 6th grade class, I actually purchased this for my partner. He’s in college to become a teacher and he was having a terrible time getting ready for the rock identification test in his geology class. I bought this for him as a study aide, and it made all the difference for him. All of the pieces fell into place for him as soon as he reviewed it, and he aced his rock identification test! Thank you so much!”
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