Which of the following minerals do(es) not contain copper?

Options

A. Siderite
B. Malachite
C. Limonite
D. Anglesite

Answer

To determine which mineral does not contain copper, we will analyze the provided options one by one and identify whether copper is present in their chemical formulas.

### Step-by-Step Solution:

1. **Identify the minerals and their chemical formulas:**
- **Cedarite:** The formula is \( \text{FeCO}_3 \) (Iron Carbonate).
- **Malachite:** The formula is \( \text{Cu(OH)}_2 \cdot \text{CuCO}_3 \) (Copper Carbonate Hydroxide).
- **Limonite:** The formula is \( \text{FeO(OH)} \cdot n\text{H}_2\text{O} \) (Iron(III) Oxide Hydroxide).
- **Anglicite:** The formula is \( \text{PbSO}_4 \) (Lead Sulfate).

2. **Analyze each mineral for the presence of copper:**
- **Cedarite:** Contains Iron (Fe) and Carbonate (CO3), but no copper.
- **Malachite:** Contains Copper (Cu), Hydroxide (OH), and Carbonate (CO3).
- **Limonite:** Contains Iron (Fe) and Hydroxide (OH), but no copper.
- **Anglicite:** Contains Lead (Pb) and Sulfate (SO4), but no copper.

3. **Conclusion:**
- From the analysis, both Cedarite and Limonite do not contain copper. However, since the question asks for which of the following minerals does not contain copper, we can conclude that:
- **Cedarite** and **Limonite** are the correct answers. If only one option is to be selected, Cedarite is the first mineral listed that does not contain copper.

### Final Answer:
**Cedarite (FeCO3) does not contain copper.**

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