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Comments: Brown guimaraesite spheres and crystal aggregates..
Location: Piaui district, Itinga, Minas Gerais, Brazil.
Scale: Specimen size 2 mm.
© Diederik Visser
Comments: Botryoidal guimaraesite on eosphorite.
Location: Piaul District, Itinga, Minas Gerais, Brazil.
Scale: Specimen size 1.1 x 0.9 x 0.8 cm.
© Rob Lavinsky