Sapphire is a mineral of

Options

A. Ba
B. B
C. BI
D. AI

Answer

**Step-by-Step Solution:**

1. **Identify the Mineral**: Sapphire is identified as a mineral and is classified as a precious gemstone.

2. **Composition**: The primary component of sapphire is corundum, which is a crystalline form of aluminum oxide (Al2O3).

3. **Color Variations**: While sapphires are typically known for their blue color, they can also be found in various other colors such as yellow, purple, orange, and green. These colored sapphires are often referred to as "fancy sapphires."

4. **Trace Elements**: Sapphires contain trace amounts of other elements such as iron, titanium, chromium, vanadium, and magnesium, which can influence their color.

5. **Correct Answer**: Given the options provided (barium, boron, bromine, aluminum), the correct answer is aluminum, as sapphire is primarily made of aluminum oxide.

**Final Answer**: Sapphire is a mineral of aluminum (Al).

---