Italy's Valpolicella wine route: top 10 guide. 1  Verona's vineyards, once renowned for churning out basic pizzeria plonk, are now producing some of the country's finest reds. From tastings over home-cooked pasta to stays in an 'agriturismo', here are our key picks for a tasty tour of the region.
bauxite is the color of like dark greenish-blackish.
Bauxite does not have a specific composition. It is a mixture of hydrous aluminum oxides, aluminum hydroxides, clay minerals and insoluble materials such as quartz, hematite, magnetite, siderite and goethite. The aluminum minerals in bauxite can include: gibbsite Al(OH) 3, boehmite AlO(OH), and, diaspore, AlO(OH). Bauxite is typically a soft (H:1-3), white to gray to reddish brown material with a pisolitic structure, earthy luster and a low specific gravity (SG: 2.0-2.5).