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Comments: Sprays of adamite with intense color and well defined crystals which stand out from the matrix.
Location: Ojuela mine, Mapimi, Durango, Mexico.
Scale: 5 x 5 cm.
© Fabre Minerals
Adamite: Zn2(AsO4)(OH) Cryptomelane: K(Mn++++,Mn++)8O16
Comments: Black, rounded balls of cryptomelane and purple, transparent adamite.
Location: Ojuela mine, Mapimi, Druango, Mexico.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals