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Vauxite

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An excellent crust of dark blue vauxite from the older find at the Siglo XX Mine. Vauxite is an ultra-rare phosphate found ONLY at the Siglo XX Mine (according to mindat). Ex Marty Zinn Collection. 4.3 x 3.3 x 1.7 cm

Product details

SpeciesVauxite
SizeMiniature
Dimensions4.3 x 3.3 x 1.7 cm
Added on10/23/2024
LocalityBolivia, Potosí, Siglo Veinte Mine

Known provenance

DateCollectorAcquisition price
08/2024Unknown OwnerNot disclosed
—The ArkenstoneNot disclosed

Learn more

Vauxite
Mineral guide
Learn about Vauxite
a rare hydrated iron–aluminum phosphate with sky-to-cornflower-blue rosettes and delicate micaceous laths; Bolivian localities mark its rarity.
Vauxite
Regional guide
Vauxite from Siglo Veinte Mine, Bolivia
from Siglo Veinte Mine, Bolivia: rare blue phosphate crystals in radiating aggregates, Bolivian type locality prized for rarity and provenance.