Crystals.com

The Crystal Journal

Crystal guides, meanings, chakra stones, zodiac birthstones & collector knowledge — from a curator who sources every piece by hand.


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Walking the vendor tents at the Sainte-Marie-aux-Mines mineral show, June 2025
collecting

Inside the Gem Show Circuit: A Buyer's Guide to Tucson, Denver & Sainte-Marie-aux-Mines

How the mineral trade actually works, from someone who buys on the circuit every year. When to go...

Genuine moldavite tektite with characteristic sculpted texture
education

How to Tell if Moldavite Is Real: The Authenticity Guide for the Most Faked Stone on Earth

Most moldavite sold online is molded green glass. Texture, color, inclusions, and price — here's ...

Genuine banded malachite sphere
education

Real vs Fake Malachite: How to Tell the Difference in 30 Seconds

Weight, banding, color, and temperature — the four giveaways that separate genuine malachite from...

Natural amethyst crystal cluster from Brazil
amethyst

How to Tell if Amethyst Is Real: 6 Tests That Actually Work

Color zoning, hardness, bubbles, and the synthetic question — a gemologist-grade checklist for ve...

Super rare rhodochrosite with pyrite specimen from Crystals.com
collecting

The Most Expensive Crystals & Rarest Minerals in the World: A Collector's Guide

From painite to red beryl to record-setting auction stones, this is what actually makes a mineral...

biophilic design

Luxury Mineral Decor: The Interior Designer's Guide to Crystals

Discover how interior designers use luxury mineral decor as sculptural art objects. A design-forw...

blue john fluorite

Fluorite Crystal: The Complete Guide to Focus, Clarity & Collection

Everything about fluorite — the mineral that gave us the word fluorescence, its perfect cubic and...

brown crystals

Smoky Quartz: The Complete Guide to Grounding, Protection & Healing

The definitive guide to smoky quartz — including the science of natural radiation-induced color c...

cleansing crystals

Selenite Crystal: The Complete Guide to Cleansing, Charging & Uses

Everything you need to know about selenite — a variety of gypsum (CaSO4·2H2O), not a true crystal...

black crystals

Obsidian Crystal: The Complete Guide to Properties, Types & Uses

A complete mineralogical and practical guide to obsidian — what it is, why it is technically volc...

September birthstone crystals - lapis lazuli and blue gemstones
birthstone

September Birthstone: Sapphire Meaning, Origins & Crystal Alternatives

Discover September's birthstone sapphire — its meaning, history, and the best crystal alternative...