gemstone identification

A polished rhodolite garnet representing the deep reddish-purple hue of Mangosteen Color Gemstones

Mangosteen Color Gemstones: A Buyer’s Guide

Introduction to Mangosteen Color Gemstones Have you ever held a ripe mangosteen and admired its deep, rich purple-red skin? That striking hue is not just a beautiful feature of the tropical fruit; it also appears in some of the world’s most sought-after precious minerals. In 2026, gem traders and jewelry designers actively use the term Mangosteen […]

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A high-tech laboratory environment showing a technician performing LA ICP MS in Gemstone Testing on a precious stone.

LA ICP MS in Gemstone Testing: Atomic Accuracy

Introduction to LA ICP MS in Gemstone Testing The rise of LA ICP MS in Gemstone Testing marks a significant shift in how the global jewelry industry verifies precious stones in 2026. Because of rapid technological progress, gemstone treatments have become far more advanced and difficult to detect. Moreover, synthetic stones now mimic natural gems with a level

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A professional laboratory setup showing EDXRF Gemstone Testing equipment analyzing a precious stone.

EDXRF Gemstone Testing: Reading the Chemical Fingerprint

Introduction to EDXRF Gemstone Testing Most people judge a gemstone simply by how it looks to the naked eye. They check the color, admire the sparkle, and trust the verbal promises of the seller. However, in 2026, a powerful scientific tool called EDXRF Gemstone Testing (Energy Dispersive X-ray Fluorescence) goes much deeper than the human eye ever can.

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A professional macro shot of a faceted Grandidierite Gemstone Guide specimen.

Grandidierite Gemstone Guide: Rarity and Value

Introduction to our Grandidierite Gemstone Guide Grandidierite represents one of the rarest gemstones currently known to science. Specifically, it glows with a soft blue-green color that looks like a calm tropical sea frozen in stone. Because most people have never heard of it, this Grandidierite Gemstone Guide breaks down everything you need to know in plain language. Specifically,

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A vibrant raspberry-red faceted Red Beryl gemstone showing natural internal inclusions.

Red Beryl Guide: Earth’s Rarest Red Gemstone

Introduction to Red Beryl Most people recognize diamonds, rubies, and emeralds; however, very few individuals have ever seen a Red Beryl in person. There is a scientifically solid reason for this scarcity. Specifically, the Utah Geological Survey estimates that miners find only one Red Beryl crystal for every 150,000 gem-quality diamonds. This staggering statistic makes it one of the rarest

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A high-clarity Pezzottaite Gemstone showing an intense raspberry-red color.

Pezzottaite Gemstone: Rare Raspberry-Red Madagascar Jewel

Introduction to the Pezzottaite Gemstone Have you ever seen a gemstone so vivid that it stops you in your tracks? The Pezzottaite Gemstone does exactly that. This rare raspberry-red to purplish-pink gem captivates collectors and jewelry lovers around the world. Although it belongs to the beryl mineral family—the same family as emerald and aquamarine—scientists classify pezzottaite as a

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A high-clarity rough Nigerian phenakite crystal showing a diamond-like luster.

Phenakite vs Diamond: How to Identify the Deceiver

Introduction to Phenakite vs Diamond Rough Nigerian phenakite fools even the most experienced gem lovers. In fact, mineralogists originally named the stone after the Ancient Greek word phénax, meaning “deceiver.” They chose this name because the stone so closely resembles common quartz. However, modern gem dealers often use that nickname for a different reason. Specifically, rough Nigerian

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A high-quality faceted red and green Oregon sunstone showing a strong copper schiller effect.

Oregon Sunstone Guide: Tips for Savvy Buyers

Introduction to the Oregon Sunstone Guide Oregon sunstones represent some of the most unique gemstones you can find anywhere in the world today. These natural, copper-bearing stones come exclusively from the high desert of southeastern Oregon. Remarkably, miners pull them straight from the earth without any heat treatment or artificial coloring. As a result, every stone

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A high-quality faceted specimen of Bolivia's Ametrine showing a sharp purple and yellow split.

Bolivia’s Ametrine: What You Need to Know Before You Buy

Introduction to Bolivia’s Ametrine Nature rarely creates a perfect 50/50 split of two distinct colors within a single crystal. However, Bolivia’s Ametrine does exactly that, combining the royal purple of amethyst with the golden yellow of citrine. This striking bicolor quartz has fascinated collectors for decades. Currently, almost the entire global supply comes from a single, remote location

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