Large crystals found in geodes and other rocks are relatively rare. Pink ChalcedonyA pink chalcedony shows off its beauty. Chalcedonies include many types of cryptocrystalline quartz gems and ...

The rarest gemstone in the world is considered to be ... of 5.5. It formed deep underground in a pegmatite — an igneous rock. Its chemical formula is Bi³⁺Sb⁵⁺O₄ with traces of tantalum.

The world's rarest gemstone is made of kyawthuite ... Investigations revealed that it likely formed deep underground in a ...

Evidence for the use of rock crystal - a rare type of perfectly transparent quartz which forms in large hexagonal gems - has occasionally been found at prehistoric sites in the British Isles, but ...

Silent auctions added an extra layer of excitement, as attendees placed their bids on rare and unique pieces, hoping to take ...

PT Rocks and Gems, which offers crystals, stones, jewelry and decor, has opened in the Crossroads Center Mall. Owner Phil Barrett operated a seasonal booth at the mall and visited statewide events ...

A full-fledged, rock-loving, fossil-admiring ... Do you love shimmering gemstones and rare minerals that seem to glow from within? Come to the mineral show. Are you fascinated by the forces ...

We all know that Kansas City is a gem of the ... collecting rocks is a treasure hunt, whether finding them oneself straight from the ground or river bed, or sourcing a rare specimen mined in ...