amethyst

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

Gemstone Education, Jewelry Buying /

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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Sunlight damage minerals: Amethyst and Rose Quartz fading under sunlight.

Sunlight Damage Minerals: How It Ruins Your Collection

Collector Tips, Gem Care, Mineral Display /

Summary Sunlight damage minerals like Amethyst, Rose Quartz, and Realgar can fade quickly. Learn practical ways to protect your collection, display safely, and preserve color and value. Table of Contents Introduction If you display your minerals in a sunny window, sunlight damage minerals can occur quickly. For example, Amethyst, Rose Quartz, and Realgar lose color

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Dyed quartz mimicking amethyst with visible color concentrations in cracks

Dyed Quartz Identification: Spotting Fakes in Amethyst and Citrine

Gemology, Gemstones, Jewelry Buying Guide /

SummaryDyed quartz often imitates amethyst and citrine. Learn how to identify color concentrations, uneven saturation, and bright synthetic hues with simple loupe inspection and expert signs. Quartz: The Master of Disguise Dyed quartz identification is a skill every gem enthusiast and jeweler should master. Dyed quartz often imitates amethyst and citrine so convincingly that even

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