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  1. 😘 The 💎sapphire is ☝️a 📖variety of the 🪙mineral 🤔corundum, with 🧐characteristic ⚪️color 🔵blue.👍

    😘 The 💎sapphire is ☝️a 📖variety of the 🪙mineral 🤔corundum, with 🧐characteristic ⚪️color 🔵blue.👍

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  3. Unveiled: 'world's largest' corundum sapphire

    Unveiled: 'world's largest' corundum sapphire

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  4. Discussions & Reviews: Discovering Iceland Spar (Optical Calcite) and Its Properties and More!

    Discussions & Reviews: Discovering Iceland Spar (Optical Calcite) and Its Properties and More!

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  5. Natural Ruby corundum star

    Natural Ruby corundum star

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  12. A mysterious Tunnel Under Euphrates River.

    A mysterious Tunnel Under Euphrates River.

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  13. michigan🌋obsidian and copper common rock

    michigan🌋obsidian and copper common rock

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  16. Leyard Litchfield Kelsey Point Thames River - Connecticut

    Leyard Litchfield Kelsey Point Thames River - Connecticut

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  18. Machete Restoration - Rust Bluing [Transformation To A Bunka] --- AF invention

    Machete Restoration - Rust Bluing [Transformation To A Bunka] --- AF invention

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  19. Unveiling the Mystery: How “Contaminated” Aluminum Oxide Turns Into Precious Sapphires

    Unveiling the Mystery: How “Contaminated” Aluminum Oxide Turns Into Precious Sapphires

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  22. Scissors Restoration [Decay Stopped – Black Scissors] --- AF invention

    Scissors Restoration [Decay Stopped – Black Scissors] --- AF invention

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