258. Ferberite Dana number: 48.1.1.2 Chemical formula: FeWO4 Crystal class: Monoclinic Mohs hardness: 4-4.5 Specific gravity: 7.51 Collected in: Unknown, Peru
259. Ferberite Dana number: 48.1.1.2 Chemical formula: FeWO4 Crystal class: Monoclinic Mohs hardness: 4-4.5 Specific gravity: 7.51 Collected in: Mundos Nuevo Mine, Peru
260. Ferberite Dana number: 48.1.1.2 Chemical formula: FeWO4 Crystal class: Monoclinic Mohs hardness: 4-4.5 Specific gravity: 7.51 Collected in: Hunan, China
261. Hubnerite Dana number: 48.1.1.1 Chemical formula: MnWO4 Crystal class: Monoclinic Mohs hardness: 4-4.5 Specific gravity: 7.12 Collected in: Paso Bueno Mine, Peru
262. Sheelite Dana number: 48.1.2.1 Chemical formula: CaWO4 Crystal class: Tetragonal Mohs hardness: 4.5-5 Specific gravity: 6.1 Collected in: Xuebaoding Mountain, China
263. Wulfenite Dana number: 48.1.3.1 Chemical formula: PbMoO4 Crystal class: Tetragonal Mohs hardness: 2.5-3 Specific gravity: 6.7-7.0 Collected in: Rawhide Mine, Arizona, United States
264. Wulfenite Dana number: 48.1.3.1 Chemical formula: PbMoO4 Crystal class: Tetragonal Mohs hardness: 2.5-3 Specific gravity: 6.7-7.0 Collected in: Defiance Mine, Arizona, United States
265. Wulfenite Dana number: 48.1.3.1 Chemical formula: PbMoO4 Crystal class: Tetragonal Mohs hardness: 2.5-3 Specific gravity: 6.7-7.0 Collected in: Mapimi , Mexico
266. Wulfenite Dana number: 48.1.3.1 Chemical formula: PbMoO4 Crystal class: Tetragonal Mohs hardness: 2.5-3 Specific gravity: 6.7-7.0 Collected in: Whim Creek, WA, Australia
267. Wulfenite Dana number: 48.1.3.1 Chemical formula: PbMoO4 Crystal class: Tetragonal Mohs hardness: 2.5-3 Specific gravity: 6.7-7.0 Collected in: El Toras, Spain