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 fluffy Appuppanthadi seed floating in air next to a microscopic view of a horsetail inclusion in demantoid.

Appuppanthadi and Horsetail Demantoid: Nature’s Whiskers

Introduction If you grew up in Kerala, the connection between Appuppanthadi and Horsetail Demantoid might seem surprising at first. While one is a fleeting childhood memory of flying seeds, the other is a permanent treasure hidden inside a rare garnet. Appuppanthadi and Horsetail Demantoid represent a stunning parallel between botany and geology. On one hand, you have the […]

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A collage showing Kerala gold jewelry, a Sadhya feast, and a film reel illustrating Kerala's Gold, Food, and Film.

Kerala Gold, Food, and Film: 2026 Guide

Introduction In 2026, the global reputation of Kerala Gold Food and Film has reached new heights. Often referred to as ‘God’s Own Country,’ the state seamlessly blends its rich heritage with modern achievements. In 2026, the state shines globally, standing out as a beacon of soft power in India. Specifically, Kerala excels in three distinct arenas: Its Gold,

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A comparison of a green translucent Jadeite bangle vs a creamy opaque Nephrite carving.

Nephrite vs Jadeite Jade: From One Name to Two Stones

Introduction In the world of gemstones, few words carry as much weight as “Jade.” For thousands of years, cultures across Asia and the Americas used this word to describe any tough green stone suitable for carving. However, modern gemology now recognizes a crucial distinction. Nephrite vs Jadeite Jade refers to two scientifically and commercially distinct minerals. While they

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The Golden Vimana of Madurai Meenakshi Temple reflecting the wealth of the temple.

Madurai Meenakshi Temple Jewels: Treasures of History

Introduction The collection of Madurai Meenakshi Temple Jewels in Tamil Nadu stands as one of India’s most valuable and historically rich treasures. For centuries, kings, queens, and colonial officials have donated exquisite pieces to honor the deities. As a Gemologist who has studied the Padmanabhaswamy Temple Treasures, I find the Madurai collection equally fascinating because of its diversity. It

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A ripe orange Mandarin fruit next to a faceted Mandarin Garnet gemstone.

Mandarin Fruit vs Mandarin Garnet: Color Guide

Introduction Mandarin fruits and Mandarin garnets share a striking name, but they differ completely in substance. One is a juicy citrus fruit you enjoy daily for breakfast. Conversely, the other is a rare gemstone that sparkles in high-end jewelry. However, their connection comes from Color alone. Mandarin Fruit vs Mandarin Garnet is a comparison between the organic world of the

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A glass of crystal clear Tequila next to a flawless diamond illustrating Tequila and Diamond Grading.

Tequila and Diamond Grading: An Expert Comparison

Introduction In the world of luxury, we often look for labels that guarantee quality. For example, whether it is the GIA Report for a diamond or the CRT Seal for a bottle of spirits, these certifications build trust. Tequila and Diamond Grading share a fascinating parallel: both rely on specialized, standardized systems to evaluate purity and assign value. However, they

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Tears of Omani Frankincense compared to polished Amber gemstones showing Frankincense vs Amber.

Frankincense vs Amber: Key Differences – An Expert Guide

Introduction Have you ever held a piece of Omani Frankincense in one hand and Natural Amber in the other? At first glance, they look remarkably similar—golden, translucent, and warm to the touch. However, these two ancient resins are worlds apart. Frankincense vs Amber is a comparison between the “Living” and the “Fossilized.” Collectors prize both for their

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Rough Paraíba Tourmaline crystal next to a bundle of golden Sisal fiber.

Paraíba Tourmaline and Sisal: Brazil’s Hidden Treasures

Introduction Did you know that one specific Brazilian state produces both the world’s rarest neon-blue gemstones and its toughest agricultural fibers? Paraíba Tourmaline and Sisal represent the unique duality of the Paraíba state in northeastern Brazil. On one hand, it yields a gemstone that glows with such intensity it looks like it is plugged into electricity. On

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A customized black Zenith watch by Bamford Watch Department.

Bamford Watch Department Business Model: An Expert Guide

Introduction In the rigid world of Swiss horology, Bamford Watch Department (BWD) has pulled off a miracle. Originally, the brand was infamous for unauthorized modifications. Famously, George Bamford, the heir to the JCB excavators’ fortune, started by painting Rolex watches black. Naturally, the establishment hated it. However, the Bamford Watch Department’s Business Model pivoted brilliantly in 2017. Instead of fighting the system,

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A traditional bronze Mannar Uruli filled with water and flowers.

Mannar Uruli: Kerala’s Bronze Cooking Gem – Expert Guide

Introduction In the heart of Alappuzha district, Kerala, lies a village where the sound of hammers striking metal has echoed for centuries. Mannar is not just a town; it is the custodian of the Mannar Uruli, a traditional bronze cooking vessel that defines the Kerala kitchen. For generations, families have relied on this durable pot for everything

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