The children were playing hopscotch in the park.

Old Church Slavonic is the oldest recorded language of the Slavic group.

Old Church Slavonic is the first language written by the Slavs.

We visited the ancient dolmen.

Amphibole, a type of mineral, is mainly found in igneous rocks.

Anatase is a type of titanium oxide, characterized by the shape of its crystals.

In mineralogy, antigorite is also called leaf serpentine.

This cave is rich in guano.

This stone is a mineral called epidote.

Her necklace had a beautiful cat's eye stone.