Q2: What is the difference between fused silica and fused quartz?

Q2: What is the difference between fused silica and fused quartz?

Q2: What is the difference between fused silica and fused quartz?
A2: Fused quartz is made from natural quartz ore with moderate purity; fused silica is synthetic ultra-high purity material with lower impurities and better optical performance.