I am planning to go to Turkey next week.

I always spend time with my family on Saturdays.

I need soil for my garden.

He is an expert in petrology and is in charge of geology lectures.

This mountain is mainly composed of quartzite.

This beautiful stone is called chrysocolla, characterized by its vibrant turquoise color.

This rock was formed through the process of silicification.

This fossil has been silicified over millions of years.

The term 'Eta' symbolizes historical discrimination and should not be used in modern society.

Taki is my best friend.