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

    Unveiled: 'world's largest' corundum sapphire

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  3. 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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  4. Natural Ruby corundum star

    Natural Ruby corundum star

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  5. Chatham Square Octagon Ruby: Lab grown square octagon rubies

    Chatham Square Octagon Ruby: Lab grown square octagon rubies

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

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

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  7. Chatham Radiant Cut Rubies: Lab-grown radiant cut rubies

    Chatham Radiant Cut Rubies: Lab-grown radiant cut rubies

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  8. Custom Jewelry Featuring Chatham-Created Rubies: Lab-grown rubies

    Custom Jewelry Featuring Chatham-Created Rubies: Lab-grown rubies

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  9. Chatham Created Rubies: Lab grown rubies, grown by the flux method.

    Chatham Created Rubies: Lab grown rubies, grown by the flux method.

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