Crystal Clusters vs. Single Points: Which Specimen Should You Collect?
October 31, 2026 - Crystals
Quartz
Common Mistakes When Cleaning Quartz Specimens (and How to Avoid Them)
A practical guide to the cleaning mistakes that damage quartz specimens — from over-strong acids to careless...
Quartz vs. Calcite: Key Visual and Hardness Tests for Collectors
Quartz and calcite share colour, heft and sometimes crystal habit, but cleavage, surface wear and a careful...
How to Identify Quartz Crystals in the Field: A 10-Step Checklist
A field-ready ten-step sequence for identifying quartz by habit, luster, fracture and hardness — plus the lookalikes...
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