Excellent vivianite crystal with associated siderite matrix. This specimen was originally mounted vertical but i have mounted the crystal horizontal since this picture was taken.
color-changing, pleochroic crystals from Bolivia, prized for prisms and velvety luster on matrix; rare, collectible, with light-sensitive care.
Regional guide
Vivianite from Huanuni Mine, Bolivia
Huanuni vivianite, Bolivia — renowned for sharp, gemmy green blades on matrix, striking luster and contrast, notable as a rare phosphate from a major tin depos…
Locality guide
Huanuni mine
Huanuni mine, Bolivia — classic collector locality in the Tin Belt, prized for vivid green ludlamite, blue-green vivianite, rare phosphates, and cassiterite.
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