Gemology

Roasted Wayanad Robusta coffee beans next to a faceted smoky quartz gemstone representing Wayanad Robusta and coffee gemstones.

Wayanad Robusta and coffee gemstones: A Keralam Guide

Gemology, Indian Heritage, Lifestyle /

Introduction to Wayanad Robusta and coffee gemstones Keralam produces some of India’s most distinctive agricultural and natural treasures. Few pairings capture that diversity as well as Wayanad Robusta coffee and coffee-coloured gemstones. Although coffee and gemstones belong to entirely different worlds, they share a remarkable range of brown, golden, green, and earthy tones that nature […]

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A comparison of the Roman Lycurgus Cup and natural color-change gemstones.

Color-Change Gemstones and the Roman Lycurgus Cup

Ancient History, Gemology, Science /

Introduction to Color-Change Gemstones and Ancient Glass Some objects do something that stops you in your tracks; they change color right before your eyes. In fact, the ancient Lycurgus Cup and a handful of remarkable color-change gemstones share this unique ability. Although they belong to entirely different worlds—one is a Roman glass artifact, while the others are

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A masterful diamond and aquamarine necklace from the Tiffany Blue Book 2026 collection.

Tiffany Blue Book 2026 and What Buyers Should Know

Fashion Strategy, Gemology, Luxury Jewelry /

Introduction to Tiffany Blue Book 2026 Tiffany Blue Book 2026 matters for a reason that goes well beyond the staggering prices of its individual masterpieces. While it undoubtedly showcases extraordinary gemstones and world-class craftsmanship, its true significance lies in its role as a cultural barometer for the luxury industry. Specifically, it demonstrates how a global heritage

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A professional gem trader using a digital loupe to inspect a high-value sapphire, illustrating a gem trading survival guide.

Gem Trading Survival Guide: Sourcing and Investing Futures

Business Strategy, Finance, Gemology /

Introduction to the Gem Trading Survival Guide Gemstone trading is currently changing at lightning speed across the globe. Therefore, to survive as a gem trader today and over the next 100 years, you must pivot from being a simple middleman to becoming a master of absolute transparency. This gem trading survival guide identifies why you must embrace

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An ancient Sanskrit manuscript page describing gemstone classifications for Sanskrit gem knowledge in ancient trade.

Sanskrit gem knowledge in ancient trade: A History

Ancient Trade, Gemology, History /

Introduction to Sanskrit Gem Knowledge in Ancient Trade Sanskrit did not build the modern gem industry. Today, that industry runs on laboratory science, spectroscopy, and grading systems developed by institutions such as the Gemological Institute of America (GIA). However, this does not mean Sanskrit played no role in history. In fact, Sanskrit gem knowledge in ancient trade preserved

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A faceted hurlbutite from Myanmar showing a rectangular scissor cut.

Hurlbutite from Myanmar: A Rare Gemstone Discovery

Gemology, Mineralogy, Rare Gemstones /

Introduction to Hurlbutite from Myanmar Most gem lovers have never heard of hurlbutite. Even seasoned collectors rarely encounter it in the market. However, a recent discovery of hurlbutite from Myanmar has moved this mineral from obscurity into serious gemological conversation. This shift makes the mineral worth understanding for anyone interested in rare earth materials. Hurlbutite is a

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A tray of vibrant rubies and sapphires showing the results of various chemical treatments in colored gemstones.

Chemical Treatments in Colored Gemstones Explained

Consumer Protection, Gemology, Jewelry Education /

Introduction to Chemical Treatments in Colored Gemstones Every colored stone you see in a modern jewelry store has a story that begins deep underground. However, the material that miners extract is rarely ready for a retail display case. Many stones arrive at the surface with dull colors, visible cracks, or uneven staining. Therefore, the gem

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A side-by-side comparison of a turquoise gemstone and a clove of blue pickled garlic representing blue garlic and Chinese turquoise.

Blue Garlic and Chinese Turquoise: A Chemical Guide

Food Science, Gemology, Home Chemistry /

Introduction to Blue Garlic and Chinese Turquoise Blue-green garlic and Chinese turquoise share a striking visual resemblance that often confuses the casual observer. Both can display vivid shades of aquamarine, jade green, and blue-green that stop people in their tracks. However, the similarity ends at the surface level. One is a gemstone that forms deep

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A vintage map and a large blue diamond representing the Jean-Baptiste Tavernier gem trade.

Jean-Baptiste Tavernier Gem Trade: Modern Lessons

Business Strategy, Gemology, Jewelry History /

Introduction to the Jean-Baptiste Tavernier Gem Trade Jean-Baptiste Tavernier was not merely a jeweler behind a quiet counter. Instead, he was a bold adventurer whose Jean-Baptiste Tavernier gem trade strategy relied on riding horses and camels across continents to find the world’s finest gemstones at their source. During the seventeenth century, he sold extraordinary diamonds and colored

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A professional gemologist examining a stone to explain the Language of Gemology.

Why the Language of Gemology Matters for Buyers

Gemology, Jewelry Education /

Introduction to the Language of Gemology Mastering the Language of Gemology is essential if you have ever felt confused while walking into a high-end jewelry store. Specifically, technical terms like refractive index, pavé, and the D-to-Z color scale often make gemstone shopping feel like visiting a foreign country. The good news is that this specialized terminology exists to

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