Differentiate between a mineral and an ore.

Explanation

To differentiate between a mineral and an ore, we can break down the definitions and characteristics of each term step by step.

### Step-by-Step Solution:

1. **Definition of Mineral**:
- A mineral is defined as a naturally occurring inorganic substance that has a definite chemical composition and a crystalline structure. Minerals are the building blocks of rocks and can be found in various forms in the Earth's crust.

2. **Definition of Ore**:
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