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माणिक्य (रूबी) और नीलम किस धातु के ऑक्साइड के खनिज रूप हैं?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1क्रोमियम ऑक्साइड
2आयरन ऑक्साइड
3कॉपर ऑक्साइड
4एल्युमिनियम ऑक्साइड✓

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एल्युमिनियम ऑक्साइड

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माणिक्य (रूबी) और नीलम किस धातु के ऑक्साइड के खनिज रूप हैं?

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माणिक्य (रूबी) और नीलम किस धातु के ऑक्साइड के खनिज रूप हैं?

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