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In this episode, Lucinda and Simon delve into the fascinating world of corundum, exploring sapphires and rubies. They discuss the chemical composition, durability, and popularity of these gemstones, as well as their significance in engagement rings. The conversation also touches on the crystal structure of sapphires, the various colours and trends in the market, and the stories behind famous sapphires like the Logan Sapphire. The hosts emphasise the importance of understanding gemstones and encourage listeners to appreciate their unique qualities.
Takeaways:
- Rubies and sapphires are essentially the same mineral, differing only in color.
- Corundum is highly durable, making it ideal for engagement rings.
- Sapphires and rubies have a high Mohs hardness of 9, second only to diamonds.
- The color of corundum is influenced by trace elements during formation.
- Montana sapphires are gaining popularity for their unique colors and luster.
- Famous sapphires like the Logan Sapphire have intriguing histories tied to imperialism and wealth.
- Understanding the crystal structure of sapphires helps in identifying their quality.
- Color zoning in sapphires can indicate their natural origin versus synthetic.
- The market for colored gemstones is shifting towards unique and interesting stones.
- Appreciating the story and uniqueness of a gemstone can enhance its value beyond monetary worth.
keywords: corundum, sapphires, rubies, gemstones, gemmology, engagement rings, durability, crystal structure, varieties, famous sapphires
