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Willemite: Zn2SiO4 Conichalcite: CaCu(AsO4)(OH)
Comments: Conichalcite with willemite. Location: Collected from the 30 level of the Tsumeb mine. Tsumeb, Namibia. Scale: 2.1 x 1.5 cm. © John Veevaert
Willemite: Zn2SiO4
Comments: Sky blue botryoidal willemite with dark to white dolomite. Location: Tsumeb Mine, Namibia. Scale: 6 x 3 cm. © John Veevaert
Comments: Specimen of blocky willemite crystals. The lower picture shows willemite under SW UV light. Location: Franklin, New Jersey, USA. Scale: 2.8 x 2.3 cm.. © John Veevaert
Willemite: Zn2SiO4 Glaucochroite: CaMnSiO4 Zincite: (Zn,Mn)O
Comments: Pinkish gray crystalline glaucochroite intermixed with pale green willemite, with dark red zincite and white calcite. Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species