Sales box with 3-5 kilos of commercial minerals from Bulgaria and/or Romania (Trepca material) at competitive prices!

Sales box with 3-5 kilos of commercial minerals from Bulgaria and/or Romania (Trepca material) at competitive prices!

Pyrite cubes from Spain The classic, the most beautiful and shiny in the world.

Pyrite cubes from Spain The classic, the most beautiful and shiny in the world.

Beautiful crystal Vivianite from Brazil. Placed on a sturdy stand.

Beautiful crystal Vivianite placed on a small pedestal. The crystals are rare and limited available. Are delivered assorted. Found in the Cabeça do Cachorro claim in São Gabriel da Cachoeira Brazil.
Availability: In stock
SKU
120116
  • Buy 3 for €30.00 each and save 14%
Vivianite is a hydrated iron phosphate mineral found in a number of geological environments. Small amounts of manganese Mn2+, magnesium Mg and calcium Ca may substitute for iron Fe2+ in the structure. Pure vivianite is colorless, but the mineral oxidizes very easily, changing the color, and it is usually found as deep blue to deep bluish green prismatic to flattened crystals. Vivianite crystals are often found inside fossil shells, such as those of bivalves and gastropods, or attached to fossil bone. It was named by Abraham Gottlob Werner in 1817, the year of his death, after either John Henry Vivian (1785–1855), a Welsh-Cornish politician, mine owner and mineralogist living in Truro, Cornwall, England, or after Jeffrey G. Vivian, an English mineralogist. Vivianite was discovered at Wheal Kind, in St Agnes, Cornwall.
More Information
Dimensions Divers
Country of Manufacture Brazil
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