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Willemite

Zn₂SiO₄

Trigonale heart IMA grandfathered

Durezza Mohs5.5 (graffiata dall'acciaio)

1. Talco

2. Gesso

3. Calcite

4. Fluorite

5. Apatite

6. Ortoclasio

7. Quarzo

8. Topazio

9. Corindone

10. Diamante

135710

Più duro di apatite (5)

องค์ประกอบ

Composizione (% in peso)

Zn

O

Si

ZnZinc58.7%
OOxygen28.7%
SiSilicon12.6%

นิรุกติศาสตร์

ตั้งชื่อตาม William I of the Netherlands.