thortveitite (noun)

1. The gem known as thortveitite was featured as a magical crystal in an adventurous sci-fi film.

2. In the mystical land of Elmsbury, the powerful thortveitite gem was believed to hold the key to immortality.

3. According to ancient folklore, thortveitite was considered a sacred stone that had divine healing properties.

4. In the superhero comic series, the protagonist's suit was embedded with thortveitite to enhance their strength and agility.