Glittering Stones >> Gem Minerals

Gem Minerals

Minerals that infrequently occur in gem quality form

1. Andalusite
2. Axinite
3. Benitoite
4. Bixbyte (Red beryl)
5. Cassiterite
6. Clinohumite
7. Iolite
8. Kornerupine
9. Natural moissanite
10. Zeolite (Thomsonite)

Artificial or synthetic materials used as gems include:

1. High-lead glass
2. Synthetic cubic zirconia
3. Synthetic corundum
4. Synthetic spinel
5. Synthetic moissanite