![Pigment analysis of Raphael's masterpiece[7][8] reveals the usual pigments of the renaissance period such as malachite mixed with orpiment in the green drapery on top of the painting, natural ultramarine mixed with lead white in the blue robe of Madonna and a mixture of lead-tin-yellow, vermilion and lead white in the yellow sleeve of St Barbara.](https://gemstonesinsider.com/wp-content/uploads/2025/09/Raphael-Madonna_Sistine_sm-320x240.jpg)
Trending Stories
At Gemstones Insider, we bring you the latest trending stories that are shaping the world of gemstones and jewellery in 2025. Our platform covers a wide range of topics. From the rise of lab-grown diamonds and the growing importance of ethical sourcing, to innovative jewellery designs inspired by celebrities and cutting-edge technology. Don’t forget to read our 10 Commandments!
Gemstone Encyclopedia
Explore our Gemstone Encyclopedia to uncover fascinating stories and rich histories behind precious and semi-precious stones. Learn about timeless myths and discover each gem’s unique meanings and properties. Find out how these stones have shaped cultures around the world. This resource is perfect for collectors, enthusiasts, or anyone captivated by the magic of minerals.
Precious Metal Investment Guides
Discover expert guides at Gemstones Insider and tips for investing in gold, silver, and precious metals. Learn how to buy, store, and diversify your portfolio with bullion, coins, and bars. Stay informed about market trends and receive practical advice. Protect and grow your wealth through investing in precious metals. Discover how to diversify your portfolio and hedge against inflation. Understand the benefits and risks of gold as a strategic asset. Stay updated with the latest market trends and investment strategies.
Birthstones
Gemstones Insider invites you to explore our comprehensive Birthstones Guide, your gateway to the fascinating world of birthstones and their timeless significance. We delve into the unique history, symbolism, colours, and care tips for each month’s gemstone. And helping you discover the deeper meaning behind these treasured stones.
If September is your birth month or you’re drawn to its stunning hues, discover the sapphire: September’s official birthstone. Revered for centuries, sapphire symbolises wisdom, loyalty, and nobility, enchanting with its rich blue tones and variety of colours. Explore the captivating history, symbolism, and lasting allure of this timeless gem in our dedicated sapphire birthstone article.
