set of various brown unpolished minerals with name

andradite axinite background basalt bauxite black bronzite brown cassiterite collage collection cutout galenite garnet gemstone glass goethite granite hematite hyalobasalt ilmenorutile iron isolated limonite mahogany mineral morion name natural obsidian ore pumice quartz raw rock rough schorl scorodite set siderite smoky sphalerite staurolite stone titanite tourmaline unpolished urtite various white zircon