How Crystal Pricing Works: Why Two Similar Pieces Can Cost So Differently
Size matters, but so do locality, damage, treatment, aesthetics, rarity and how much rough material was lost in cutting.
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How to Spot Heat-Treated Amethyst Sold as Citrine
Most bright orange citrine clusters in the mass market began as amethyst. Here are the visual clues and the nuance sellers often…
How to Spot Fake or Composite Malachite
Natural malachite has complex banding. Resin imitations and reconstructed material often reveal themselves in the pattern.
Dyed Agate: How to Recognise It and Why It Is Not Automatically Bad
Neon blue, hot pink and electric purple agate are often dyed. The useful question is whether the seller tells you.
Aura Quartz Explained: Natural Quartz, Manufactured Colour
Aura quartz begins with real quartz, but its rainbow metallic surface is created by a coating process.
Can Crystals Go in Water? A Safer Mineral-by-Mineral Approach
There is no reliable “all crystals above Mohs 6 can go in water” rule. Solubility, cleavage, matrix and treatments matter too.
Which Crystals Fade in Sunlight? A Display Guide
Direct sun is not a universal crystal-cleansing method. Some colours can fade, coatings can age and specimens can heat up.
How to Store a Crystal Collection Safely
A simple storage system for preventing scratches, chips, fading and provenance loss.
How to Photograph Crystals for Listings Without Misleading Buyers
Better crystal photos show colour honestly, reveal flaws and make scale obvious instead of hiding everything behind mood lighting.
What Crystal Sellers Should Disclose: A Provenance Checklist
A practical disclosure standard for origin, treatment, repairs, confidence level and supplier information.