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and geological significance of Grape Agate Chalcedony from Indonesia
- Fossilization Process: None (mineral formation through metamorphic processes)
Erongo Region
Size: 21x13 cms
The crystal's clarity and transparency make it a valuable example of high-quality quartz formation
Cubic Pyrite and geological significance of GrapeSize: 9x6x16 cms Weight: 1. 088 kg Location: Spain Product Description: A stunning crystal formation of cubic pyrite, showcasing its brassy color and cubic structure, from Spain. Geological Information: Location: Spain (notably in the Rio Tinto and Linares La Carolina mining districts) Type: Pyrite (a type of iron sulfide mineral) Chemical Composition: FeS (Iron Sulfide) Age: Approximately 250 300 million years old (Permian Triassic era) Formation:
US$ 143.00
US$ 49.95
US$ 40.00
US$ 109.99
