Question:
In which of the following minerals, the combination of metallic alloys "Copper + Zinc + Aluminium" is reflected?
In which of the following minerals, the combination of metallic alloys "Copper + Zinc + Aluminium" is reflected?
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Some rare natural minerals are intermetallic compounds (natural alloys) whose chemistry reflects a specific combination of metallic elements.
Updated On: Jun 16, 2026
- Kamacite alpha
- Belendorffite
- Danbaite
- Cupalite
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The Correct Option is D
Solution and Explanation
Concept:
Some rare natural minerals are intermetallic compounds (natural alloys) whose chemistry reflects a specific combination of metallic elements.
Step 1:
Kamacite is a nickel-iron alloy, Belendorffite is a copper-mercury phase, and Danbaite is a copper-zinc mineral. None of these contains the copper-zinc-aluminium combination together.
Step 2:
Cupalite is a natural intermetallic mineral whose composition reflects copper with aluminium (and associated zinc), matching the copper plus zinc plus aluminium combination described.
Answer: Option (4) — Cupalite.
Some rare natural minerals are intermetallic compounds (natural alloys) whose chemistry reflects a specific combination of metallic elements.
Step 1:
Kamacite is a nickel-iron alloy, Belendorffite is a copper-mercury phase, and Danbaite is a copper-zinc mineral. None of these contains the copper-zinc-aluminium combination together.
Step 2:
Cupalite is a natural intermetallic mineral whose composition reflects copper with aluminium (and associated zinc), matching the copper plus zinc plus aluminium combination described.
Answer: Option (4) — Cupalite.
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