The geologist is feldspathizing the rock samples.

The rock is composed of feldspathic minerals.

Feldspaths are commonly found in igneous rocks.

Feldspath is commonly used in the production of ceramics.

Feldspathization is a geological process that involves the conversion of minerals into feldspar.

The feldspathizations in this rock sample indicate a complex geological history.

She feldspathizes the pottery to give it a unique texture.

The rock was feldspathized during the geological process.

The geologist feldspathized the rock sample to study its composition.