Vivianite

Size: 14x10x23 cms

Weight: 2.108 kg

Location: Cornwall, England

Product Description:

A rare and striking mineral specimen featuring vivianite, a hydrated iron phosphate, showcasing a vibrant green or blue-green color.

Geological Information:

- Location: Cornwall, Southwest England
- Type: Vivianite (Hydrated Iron Phosphate, Fe₃(PO₄)₂·8H₂O)
- Formation: Hydrothermal veins in iron-rich sedimentary and volcanic rocks, associated with copper and tin deposits
- Color: Vibrant green or blue-green
- Hardness: 1.5-2 on the Mohs scale
- Crystal System: Monoclinic
- Formation Process: Low-temperature hydrothermal activity and oxidation of iron-rich fluids resulted in the formation of vivianite.
- Age: Paleogene-Quaternary Era, approximately 25-0.01 million years old
- Occurrence: Found in limited quantities, primarily in the Cornwall region, particularly in the Lizard Peninsula and St. Just districts.

This detailed description highlights the natural beauty, unique features, and geological significance of Vivianite from Cornwall, England, showcasing its rarity and mineralogical importance.