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Devilline: CaCu4(SO4)2(OH)6·3(H2O) Malachite: Cu2(CO3)(OH)2
Comments: Blue crystals of devilline on green, botryoidal malachite.
Location: Spania Dolina (Herrengrund), Slovakia.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Comments: Laminar crystals of blue devilline on matrix..
Location: Spania Dolina (ex-Herrengrund) Banská Bystrica Slovak Republic.
Scale: Specimen size: 6.9 x 3.3 x 5.7 cm.
© Fabre Minerals