Which one of the following statements is correct?
- A$A$. $A$ mineral cannot be an ore
- B$B$. An ore cannot be a mineral
- C$C$. All minerals are ores
- D$D$. All ores are minerals
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$(1)$ Calamine and Siderite are carbonate ores.
$(2)$ Zinc blende and Pyrite are sulphide ores.
$(3)$ Haematite and Magnetite are hydroxide ores.
$(4)$ Malachite and Cuprite are copper ores.
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