Crystal Knowledge Base: Mineral Education, Collecting, and Meaning
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What Makes a Mineral Specimen Collector Grade?
Not all crystals are created equal, and in the world of serious mineral collecting, the distinction between decorative and collector-grade is everything. If you’ve ever wondered what makes a specimen...
What Makes a Mineral Specimen Collector Grade?
Not all crystals are created equal, and in the world of serious mineral collecting, the distinction between decorative and collector-grade is everything. If you’ve ever wondered what makes a specimen...