Learn about green amethyst

Start with the question you have. You do not need to read the site in order.

Learn the basics

Why the precise gemstone name is prasiolite and how it fits into the quartz family.

Heat, irradiation, naturally green material and what treatment changes.

What common claims mean when you are looking at a real listing.

How prasiolite differs from emerald, peridot, tourmaline and look-alikes.

Compare pale, mint, yellow-green and grey-green appearances in normal lighting.

Look at brightness, clarity, cut, proportions and overall appearance together.

Recognize a large window, heavy extinction and weak face-up performance.

Understand millimetres, carat weight, depth and visible face-up size.

Separate stone quality from metal, workmanship, seller service and brand premium.

Check what words such as “natural,” “genuine,” “untreated” and “rare” actually establish.

A short printable check to use beside a listing or at a jewelry counter.

Short answers to the questions visitors ask most often.

Looking for one term? Use the plain-English glossary.