"geo-logic"

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Crystal Form Topic Set

Geometric Shapes and Structures of Crystalline Minerals.

Samples of Minerals That Are Found in Rocks

Study the Formation of Different Igneous Rocks

Give Your Students a Lesson in Economics as Well as Geology

Define and compare ways organisms have been preserved.

Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.

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