ROCKHOUND
JOURNAL
Stories, field notes, crystal knowledge,
and discoveries from the world beneath our feet.
Pegmatites: The Birthplace of Rare Gems
← Rockhound Journal Mineralogy & Geology Topics Pegmatites: The Birthplace of Rare Gems GMR February 27, 2026 3 min read […]
Inclusions: What They Are and Why They Matter
In the world of minerals and gemstones, perfection is often prized—but it’s the imperfections that tell the real story. Tiny […]
How to Cleanse and Charge Crystals
A Practical Guide to Crystal Care and Energetic Reset In crystal traditions, cleansing and charging are considered essential maintenance practices. […]
Crystal Systems Explained (Cubic, Hexagonal, Trigonal, and More)
Every mineral crystal you see—whether it’s a perfect quartz point or a blocky halite cube—reflects an invisible internal order. That […]
Trace Elements in Gem Formation
Gemstones may appear pure and flawless, but their colors—and often their value—are controlled by incredibly small chemical substitutions known as […]
What Causes Color in Gemstones?
Color is the single most important factor influencing a gemstone’s beauty and value. From the deep red of ruby to […]
What Is the Mohs Hardness Scale?
The Mohs Hardness Scale is a simple but powerful system used to measure a mineral’s resistance to scratching. Developed in […]
Spinel: The Underrated Gemstone of Fire and Brilliance
For centuries, spinel quietly dazzled in royal collections and museum vaults, often mistaken for ruby due to its vivid red […]