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making this geode an exceptionally thoughtful and personalized gift
✓ Setting: 4-claw/prong set — minimal metal
Natural inclusions and crystalline formations within the agate tell the story of millions of years of geological processes
Vredesvallei in South Africa's Northern Cape is a significant locality for mineral collectors
Pyrite Cube on Matrix Navajun Spain Specimen Crystals making this geode an exceptionallyA fine Pyrite Cube on Matrix specimen from the renowned Navajn, displaying a dominant, well formed cubic crystal with sharp geometry and excellent natural presentation. Geological Description This specimen formed approximately 130 million years ago during the Cretaceous period within soft marl sediment. Sulfur rich fluids interacted with iron bearing sediments, precipitating iron sulfide (FeS) crystals directly within the host rock. The low pressure,