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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 ...
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 ...
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 ...
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 ...
Have the world in your hands with these compact, affordable, illustrated natural history guides Did you know culinary salt is the mineral halite? Or that ...
