Gemstones for Collectors, Jewelers, and Investors
October 15, 2025 / 10:06 AM
At the November Minerals Brno 2025 exhibition, David Kryslička will showcase some of the world’s rarest gemstones. His display will bring to Brno true treasures that will captivate collectors, jewelers, and investors alike.
Visitors can look forward to:
- Heat-untreated sapphires from various world localities
- Tanzanites from Tanzania – rare gems found only at the foot of Mount Kilimanjaro
- Spinels from the Mahenge region, ranked among the rarest gemstones today
- Colombian emeralds with their characteristic deep green color
- Unheated rubies, highly valued for their natural beauty
- Rare cobalt spinel from the Luc Yen region in northern Vietnam
These gemstones fascinate with their beauty, origin, and collector’s value. Each stone tells its own story and represents a piece of nature’s perfection that’s truly worth seeing in person.
Photo Gallery
