Gem 101 Gem wearability Gem hardness Gem color Alexandrite How to pick the perfect alexandrite Is alexandrite a good choice? Exploring alexandrite's color Amethyst How to pick the perfect amethyst Is amethyst a good choice? Exploring amethyst's color Aquamarine How to pick the perfect aquamarine Is aquamarine a good choice? Exploring aquamarine's color Emerald How to pick the perfect emerald Is emerald a good choice? Exploring emerald's color Lab vs. Hexagons are often called nature’s perfect shape because they naturally appear in so many places beehive honeycombs, molecular structures etc. A hexagon is a two-dimensional plane geometric figure that consists of six sides, six vertices, and six angles.
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