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A beautifully illustrated, entertaining, and educational guide to the world's crystals, rocks, gemstones, and other geological phenomena from the acclaimed author of What We ...
World-renowned gemmologist, Helen Molesworth traces the journey of gems, showing how their remarkable stories are a sparkling new way of exploring the history of humanity ...
Understanding gemstones in a geological context
Gemstones are colorful treasures of the Earth that have captivated humans for thousands of years. The physical and chemical ...
Western Australia is a treasure trove of emeralds, green tourmalines, purple lepidolite and other minerals found in pegmatites scattered across the vastness of the state ...