_____ water is rich in minerals which have medicinal value.

Explanation

**Step-by-Step Solution:**

1. **Identify the Type of Water**: The question asks for a type of water that is rich in minerals with medicinal value.

2. **Recall Types of Water**: Think about different types of water that are known for their mineral content. Common types include spring water, mineral water, and tap water.

3. **Focus on Spring Water**: Among these, spring water is specifically known for being rich in minerals. It naturally flows from the ground and is often collected from springs.

4. **List the Minerals in Spring Water**: Spring water contains essential minerals such as magnesium, potassium, calcium, and sodium. These minerals contribute to its health benefits.

5. **Explain the Medicinal Value**: The minerals found in spring water can help create an environment in the human body that is less vulnerable to diseases. Additionally, spring water provides oxygen to the body and brain, which aids in good digestion.

6. **Conclude with the Answer**: Therefore, the answer to the question is "Spring".

**Final Answer**: Spring water is rich in minerals which have medicinal value.

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