Polished Specularite Slab - Michigan Chemical Formula: NaCa4(Si27Al9)O72·28(H2O) or Na9(Si27Al9)O72·28(H2O)

Chemical Formula: NaCa4(Si27Al9)O72·28(H2O) or Na9(Si27Al9)O72·28(H2O)

It assists in maintaining focus while stimulating drive

You will receive one (1) box similar to the one pictured

Here is a great example of the extremely sought-after Polyhedral Agate Geode

Polished Specularite Slab - Michigan Chemical Formula: NaCa4(Si27Al9)O72·28(H2O) or Na9(Si27Al9)O72·28(H2O)Specularite, also known as specular hematite, is a variety of hematite that is identified by microscopic flakes of hematite and mica that imitate a mirror. This mineral can be found all over the world including Canada, Italy, Brazil, Sweden, and the United States. This slab has been coated with a thin layer of epoxy to help stabilize the specimen and give it a clean appearance. Hematite is an iron oxide found virtually everywhere on Earth. This