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Valentinite: Sb2O3 Antimony: Sb
Comments: Beige valentinite crystals with red kermesite in a matrix of gray, massive antimony. Location: South-Ham Antimony mine, Lake Nicolet, Quebec, Canada. Scale: Picture Size 3 cm. © Dave Barthelmy
Valentinite: Sb2O3 Cetineite: (K,Na)3+x(Sb2O3)3(Sb2S3)(OH)x·(2.8-x)(H2O)
Comments: Orange-reddish acicular crystals of cetineite with white valentinite. Location: Cetine di Cotorniano mine (Cetine mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Valentinite: Sb2O3 Rosiaite: PbSb+++++2O6
Comments: Beige crystals of rosiaite with a colorless valentinite prism. Location: Tafone Mine, Manciano, Grosseto, Tuscany, Italy. Scale: Picture size 5 mm. © Thomas Witzke / Abraxas-Verlag
Valentinite: Sb2O3
Comments: 6mm spray of bladed valentinite crystals on siderite matrix. Location: Potosi, Bolivia. Scale: Picture size 1.5 cm. © John Attard