StoneSnap Blog
Field-tested guides for identifying, valuing, and collecting rocks, minerals, and crystals.
Learn how to identify rocks and minerals using color, streak, hardness, the Mohs scale, cleavage, and crystal habit in this beginner step-by-step field guide.
The Mohs Hardness Scale Explained (With Everyday Test Objects)Understand the Mohs hardness scale, its 10 reference minerals, and how to run an accurate scratch test using a fingernail, coin, knife, and steel file.
12 Most Valuable Rocks and Minerals You Might Actually FindDiscover 12 valuable rocks and minerals that collectors can realistically find in the field, from agate and garnet to gold and sapphire, plus where each occurs.
Birthstones by Month: The Complete 12-Month GuideExplore traditional and modern birthstones for every month, their meaning and history, and simple care tips, from January garnet to December turquoise.
How to Tell If a Crystal Is Real: 9 Tests That Expose FakesLearn 9 practical tests to spot fake crystals, from glass bubbles and dyed stones to UV light, hardness, temperature, weight, and price sanity checks.
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