pleochroism

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

Grandidierite Gemstone Guide: Rarity and Value

Gemology, Jewelry Education /

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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gem identification tools arranged on a gemologist’s table

Gem Identification Methodology Made Simple

Gem Testing, Gemology, Jewellery Education /

Summary This guide gives you a clear gem identification methodology you can use with any gemstone. You move from visual checks to optical tools, structural tests, and density clues. Each step adds direction, supports your judgement, and leads you to a confident identity. Introduction You follow a gem identification methodology to achieve consistent results. To

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