Name one natural silicate and one synthetic silicate?

Explanation

To answer the question, "Name one natural silicate and one synthetic silicate," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Silicates**:
- Silicates are compounds that contain the silicate ion (SiO4^4-). They are one of the most abundant groups of minerals found in the Earth's crust.

2. **Identifying Natural Silicates**:
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