【Tanzania】Fancy Spinel 2025: Value, Meaning, Rare Gemstone Trends
Editor’s NoteThis article explores the remarkable ascent of fancy spinel in 2025, detailing how technological advances, ethical sourcing, and a shift…
Cobalt Spinel
Science Popularization | Besides Sapphire, What Other Gemstones Can Be Called ‘Classic Blue’?
Editor’s NoteThis article explores the enduring appeal of sapphire, connecting its classic blue hue to themes of calm, confidence, and spiritual…
【Hong Kong, C】Precious Stones: Vietnamese Market Attracts Hong Kong Businesses
Editor’s NoteThis article highlights growing interest from Hong Kong’s jewellery sector in Vietnam’s precious stones market, as observed at recent…