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We’ve asked a professional herbalist to shed some light on the birth month herb trend—where it comes from, how it works, and ...

Figure 1. These emeralds from Musakashi, Zambia, range from 0.57 to 4.85 ct. The rough samples were polished with one window on each. The faceted sample measures 6.29 × 5.35 × 3.53 mm and weighs 0.97 ...

A ready and exceptional supply of emeralds was suddenly available, and Europeans fell in love with the bewitchingly beautiful gemstone. Some 500 years later, emeralds are still enchanting us. Emerald ...