Multiple choice

Which of the following sets represents orthosilicates only?

  1. Thortveitite, Phenacite, Willemite

  2. Benitoite, Beryl, Phenacite

  3. Willemite, Zircone, Kaolinite

  4. Phenacite, Willemite, Zircone

  5. Beryl, Thortveitite, Kaolinite

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Phenacite - Be2SiO4 : Orthosilicate Willemite - Zn2SiO4 : Orthosilicate Zircone - ZrSiO4 : Orthosilicate