dull to earthy
Bauxite is not transparent. It is an opaque mineral with a dull luster and typically appears as a mixture of different shades of brown.
Bauxite is a rock composed mainly of aluminum oxide and aluminum hydroxide minerals. The rocks also contain clay, silt, and silica. Bauxite has a dull, earthy tone luster.
Bauxite's has no transparency because it is opaque coming in several colors. It belongs to a group of aluminum oxides.
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Bauxite's chemical formula ends with Oxygen, (Al2O32H2O) making it an oxide.
luster
bauxite
The term for the way a mineral reflects light is known as its "luster." Luster describes how light interacts with the surface of a mineral, with terms such as metallic, vitreous, pearly, or dull used to categorize the type of luster a mineral possesses.
It is the shine of the mineral.
It is the shine of the mineral.
luster
If a mineral has a shiny luster, is it matallicIf a mineral has no shiny luster, is it nonmetallic?