The chemical formula of mineral Minium is indicated by Pb3O4 or Lead Oxide. Minium actually belongs to the Oxides and Hydroxides mineral class. Minium is also a member of the Spinel Group of minerals. Minium is most commonly used as mineral specimen and it is most often found exhibiting nice and interesting images […]

The chemical formula of mineral Euxenite is indicated by (Y, Ca, Er, La, Ce, U, Th)(Nb, Ta, Ti)2O6 or Yttrium Calcium Erbium Lanthanum Cerium Uranium Thorium Niobium Tantalum Titanium Oxide. Euxenite is actually a member of the Oxides and Hydroxides mineral class. Mineral Euxenite is sometimes labeled as Euxenite-Y, referring to the Yttrium […]

The chemical formula of mineral Gibbsite is indicated by Al(OH)3 or Aluminum Hydroxide. Gibbsite belongs to the Oxides and Hydroxides mineral class. Mineral Gibbsite was named after Colonel Goerge Gibbs (1777 - 1834), the owner of the Gibbs mineral collection acquired by Yale University in the early nineteenth century. Mineral Gibbsite was first […]

The chemical formula of mineral Cuprite is indicated by Cu2O or Copper Oxide. Cuprite actually belongs to the Oxides and Hydroxides mineral class. Cuprite was first described in the year 1845. The name of the mineral species Cuprite is derived from the Latin word cuprum, which means copper. This is an allusion to […]

The chemical formula of mineral Columbite is indicated by (Fe, Mn, Mg)(Nb,Ta)2O6 or Iron Manganese Magnesium Niobium Tantalum Oxide. Columbite actually belongs to the Oxides and Hydroxides mineral class. Long before, Niobium has been called Columbium that was named after Columbia or America by Charles Hatchett in the year 1801. And this is […]

The chemical formula of mineral Chrysoberyl is indicated by BeAl2O4 or Beryllium Aluminum Oxide. Chrysoberyl actually belongs to Oxides and Hydroxides mineral class. Chrysoberyl was first discovered in Brazil in the year 1789. Abraham Gottlob Werner then named it in the year 1790. The name of the mineral species Chrysoberyl was derived from […]

The chemical formula of mineral Alexandrite is indicated by BeAl2O4 or Beryllium Aluminum Oxide. Alexandrite is actually an Oxide mineral. Alexandrite emerged millions of years ago in metamorphic environment. It was first discovered in 1833 at the emerald mining regions near the Tokovaya River in the Ural Mountains of Soviet Union. It was named Alexandrite […]

The chemical formula of the mineral Aeschynite is indicated by (Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6 or Yttrium Calcium Iron Thorium Titanium Niobium Oxide Hydroxide. Aeschynite belongs to the Oxides and Hydroxides mineral class. Aeschynite is synonymous to priote and blomstrandine. Aeschynite is also a member of the group called Rare Earth Oxides. Those elements not used by other minerals […]

The chemical formula of mineral Corundum is indicated by the formula Al2O3 or Aluminum Oxide. Corundum actually belongs to the Oxides and Hydroxides mineral class. In 18th century, Corundum mineral specimens were first sent from India to England. And Hon. C. Greville first described them under the name Corundum in the year 1798. The name […]

The chemical formula of mineral Brookite is indicated by TiO2 or Titanium Oxide. Brookite is actually an Oxide mineral. Brookite mineral is also considered as very minor ore of titanium and it is also most commonly used as mineral specimen. Brookite was first discovered in the year 1825 at Wales in England. Brookite mineral species […]