Oxides Minerals
Oxides form from the combination of a steel with oxygen. This group ranges from dull ores like bauxite to gem stones like rubies and sapphires. The magnetite pictured to the left is a member of this institution.
Psilomelane
Psilomelane is a barium manganese oxide mineral, typically presenting as black or dark gray with a submetallic to dull luster. It often forms botryoidal...
Chrysoberyl
Chrysoberyl is a member of oxide mineral or gemstone with the formula: BeAl2O4.In spite of the similarity in their names, chrysoberyl and beryl are absolutely extraordinary stones, despite the fact that both include beryllium. Chrysoberyl is the third most commonplace herbal stone and is found at 8.5 at the Mohs
Padparadscha Sapphire
Padparadscha sapphire is a rare and highly sought-after variety of the mineral corundum, which is composed of aluminum oxide with trace elements that give...
Crocoite
Crocoite is a rare mineral classified as a lead chromate (PbCrO₄). It is well-known for its vibrant orange-red color and distinctive crystal formations, which...
Corundum
Corundum is a mineral that is primarily composed of aluminum oxide (Al2O3) and is one of the naturally occurring crystalline forms of aluminum oxide....
Anatase
Anatase is one of the three primary mineral forms of titanium dioxide (TiO2), the other two being rutile and brookite. It is a tetragonal...
Rutile
Rutile is oxide group mineral with formula: titanium dioxide (TiO2). It often appears as pale golden, needlelike crystals inside quartz. When not enclosed in quartz, it is usually yellowish or reddish brown, dark brown, or black.
Ruby
Ruby is a gemstone and a variety of the mineral corundum (Al2O3) that is distinguished by its red color, which is caused by trace...
Adamite
Adamite is a mineral that belongs to the arsenate class of minerals. Its chemical formula is usually written as Zn<sub>2</sub>(AsO<sub>4</sub>)(OH), indicating its composition of...
Gibbsite
Gibbsite is a naturally occurring mineral form of aluminum hydroxide with the chemical formula Al(OH)₃. It belongs to the hydroxides and oxides mineral class...
Gahnospinel
Gahnospinel is a mineral belonging to the spinel group, which is a class of minerals with the general formula AB₂O₄. In gahnospinel, A represents...
Scheelite
Scheelite is a calcium tungstate mineral that is commonly found in various geological environments. It is an important ore of tungsten, which is a...
