PJ Joseph

Welcome! I’m P.J. Joseph—a trained gemologist with over 40 years of experience in the fascinating world of gemstones. My journey blends scientific precision with storytelling, as I’ve spent decades educating others through writing. Whether you're a curious beginner or a seasoned collector, I’m here to share insights that empower ethical, informed choices in jewelry and gemology. I hold a professional diploma (DgemG) in gemology from the Deutsche Gemmologische Gesellschaft e.V., Idar-Oberstein, Germany, and the Gemological Institute of India, Mumbai, India.

A polished chiastolite cabochon showing a distinct natural cross pattern.

Chiastolite Explained: Why the Natural Cross Matters

Introduction Chiastolite is a unique variety of andalusite that displays a natural cross inside the crystal. Nature creates this pattern without any human engraving or painting. Carbonaceous inclusions gather inside the growing crystal, and they form a dark cross when someone slices the stone. Consequently, chiastolite combines unusual geology with a long cultural history. Collectors,

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AI in the gemstone and jewelry industry using digital light performance analysis.

AI in the Gemstone and Jewelry Industry: A Buyer’s Guide

Disclosure: This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases. If you click through and buy something, I may earn a small commission at no extra cost to you. Introduction Can artificial intelligence make gemstones, diamonds, jewelry, and watches more beautiful? Yes, in some ways, but not on its own.

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Warren Buffett speaking at a Berkshire Hathaway event about long-term business strategy.

Warren Buffett Lessons for Business and Everyday Consumers

Disclosure: This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases. If you click through and buy something, I may earn a small commission at no extra cost to you. Introduction Warren Buffett has entered a new chapter. On 18 September 2026, Berkshire Hathaway announced that he has become Chairman Emeritus,

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An expert watchmaker provides watchmaking education in India using precision tools at a professional bench.

Watchmaking Education in India: FHH, GIA, and Rolex

Introduction Watchmaking education in India has stayed in the background for years, while jewellery and gemology courses have drawn most of the attention. However, that picture is now changing. On 17 September 2026, the Fondation Haute Horlogerie (FHH) and the Gemological Institute of America (GIA) announced a partnership to widen access to watch knowledge. Meanwhile,

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A skilled artisan in Keralam engraving a decorative pattern on a buffalo horn piece.

Keralam Horn Carving: Distinguishing Craft from Scrimshaw

Introduction Scrimshaw is a striking maritime art form. Western whalers created it during long voyages in the 18th and 19th centuries. Consequently, sailors engraved whale teeth, whale bone, and other hard materials with ships, whales, portraits, and nautical scenes. As a result, people around the world closely associate scrimshaw with whaling culture. India, however, follows

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Vintage gold watches and jewellery pieces being assessed for use in circular business models.

Circular Business Models: The Watch and Jewellery Mine

Introduction The watch and jewellery industry already holds one of its most valuable resources. However, much of the gold and silver in watches and jewellery sits in private collections instead of the production cycle. Indeed, the Watch & Jewellery Initiative 2030 (WJI 2030) explores this stock in its report, Unlocking Decarbonisation through Circularity in the

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A vibrant illustration featuring an Indian state flower next to a matching gemstone.

Gemstone to Any State Flower: A Creative Indian Guide

Introduction India spreads across 28 states, and each carries its own landscape and living symbols. Indeed, one simple way to understand this diversity is through state flowers, from the golden blossoms of Keralam to the delicate Siroi Lily of Manipur. Coloured gemstones, meanwhile, offer a fresh way to read these flowers. However, India has no

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A professional booth displaying jewelry and specimens at a collection of classic gem and jewelry movies events.

Gem and Jewelry Movies: A Cultural Buyer’s Guide

Introduction Movies do far more than add glamour to our screens. In fact, they introduce millions of ordinary people to diamonds, coloured gemstones, pearls, mining, trading, theft, and luxury culture. Because most viewers never study gemology, cinema often becomes their first entry point into this complex subject. However, filmmakers tell stories rather than teach gemology.

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