If so, those specimens probably have baked-in dirt, grime, desert varnish, or encrustations from moss and lichens. Scrub as much as you may with a toothbrush and pick away with a dental pick, yet grime remains lodged within cracks and crevices of mineral and crystal structures. What to do?
This story is from the January 2021 edition of Rock&Gem Magazine.
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This story is from the January 2021 edition of Rock&Gem Magazine.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
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