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.
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.
Musgravite
Musgravite is a rare and precious gemstone that belongs to the oxide mineral family. It is a member of the taaffeite family, which also...
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...
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
Alexandrite
Alexandrite is a rare gemstone that belongs to the chrysoberyl family. It was first discovered in 1830 in the Ural Mountains of Russia and...
Diaspore
Diaspore, an aluminum hydroxide mineral with the chemical formula AlO(OH), is a fundamental component in the study of geology and mineralogy. It is significant...
Sapphire
Sapphire is a precious gemstone that is a variety of the mineral corundum, which is composed of aluminum oxide. It is typically blue in...
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...
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...
Goethite
Named after the German mineralogist Johann Wolfgang von Goethe in 1806, goethite is a common mineral. It can be brownish yellow, reddish brown, or dark brown in color, depending on the size of the crystal in the specimen—small crystals appear lighter, and larger ones darker.
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....
Cuprite
Cuprite is a mineral that belongs to the oxide mineral group. It is composed of copper(I) oxide, with the chemical formula Cu2O. The name...
