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    Question

    Which of the following minerals are primary minerals of

    Calcium?
    A Apatite Correct Answer Incorrect Answer
    B Augite Correct Answer Incorrect Answer
    C Dolomite Correct Answer Incorrect Answer
    D Hornblende Correct Answer Incorrect Answer
    E Both b & d Correct Answer Incorrect Answer

    Solution

    • Apatite is a mineral containing calcium but is primarily known as a phosphate mineral, commonly associated with phosphorus.
    • Dolomite is a carbonate mineral of calcium and magnesium (CaMg(CO₃)₂), rather than a primary mineral of calcium.
    • Augite and Hornblende are silicate minerals that contain calcium as one of their components and are considered primary minerals in geological formations.

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