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Gemstone Science

Rainbow Moonstone Identification: Advanced Spectroscopy and the Future of Gemological Testing

Rainbow Moonstone Identification: Advanced Spec...

Discover how advanced spectroscopic methods like Raman, UV-Vis-NIR, and FTIR, combined with machine learning, are revolutionizing rainbow moonstone identification and gemological testing.

Rainbow Moonstone Identification: Advanced Spec...

Discover how advanced spectroscopic methods like Raman, UV-Vis-NIR, and FTIR, combined with machine learning, are revolutionizing rainbow moonstone identification and gemological testing.

Red Beryl Identification: Testing for Investment-Grade Specimens

Red Beryl Identification: Testing for Investmen...

Expert guide on red beryl identification and testing methods for investors. Includes RI, SG, and inclusion analysis to distinguish natural from synthetic or treated stones.

Red Beryl Identification: Testing for Investmen...

Expert guide on red beryl identification and testing methods for investors. Includes RI, SG, and inclusion analysis to distinguish natural from synthetic or treated stones.

How to Identify Real Malachite: A Step-by-Step Gem Testing Guide

How to Identify Real Malachite: A Step-by-Step ...

A comprehensive guide to identifying genuine malachite using hardness, streak, specific gravity, UV light, and acid tests. Distinguish natural malachite from dyed howlite, resin composites, and synthetics.

How to Identify Real Malachite: A Step-by-Step ...

A comprehensive guide to identifying genuine malachite using hardness, streak, specific gravity, UV light, and acid tests. Distinguish natural malachite from dyed howlite, resin composites, and synthetics.

The Investment Potential of Pink Tourmaline: Fo...

Expert analysis of pink tourmaline as an investment: geological formation, color grading, supply dynamics, and historical price performance. Learn how to evaluate and acquire premium stones.

The Investment Potential of Pink Tourmaline: Fo...

Expert analysis of pink tourmaline as an investment: geological formation, color grading, supply dynamics, and historical price performance. Learn how to evaluate and acquire premium stones.

How to Identify Genuine Paraiba Tourmaline: A V...

Master paraiba tourmaline identification with this expert visual guide covering neon blue-green color, pleochroism, microscopic inclusions, and deposit-specific features from Brazil, Mozambique, and Nigeria. Essential for gemologists and collectors.

How to Identify Genuine Paraiba Tourmaline: A V...

Master paraiba tourmaline identification with this expert visual guide covering neon blue-green color, pleochroism, microscopic inclusions, and deposit-specific features from Brazil, Mozambique, and Nigeria. Essential for gemologists and collectors.

The Curious Case of the Particolored Giant: Identifying and Testing Watermelon Tourmaline from the Virgem da Lapa Deposit

The Curious Case of the Particolored Giant: Ide...

Learn how gemologists authenticate watermelon tourmaline using UV-Vis-NIR, Raman, LIBS, and microscopic clues. A real-world case from Virgem da Lapa revealing heat treatment signatures.

The Curious Case of the Particolored Giant: Ide...

Learn how gemologists authenticate watermelon tourmaline using UV-Vis-NIR, Raman, LIBS, and microscopic clues. A real-world case from Virgem da Lapa revealing heat treatment signatures.