Science

Magadiite is a hydrous sodium silicate mineral [NaSi7O13(OH)3·4(H2O)] which precipitates from alkali brines as an evaporite phase. It is a soft white hydrous sodium silicate…

Madocite is a mineral with a general formula of Pb17(Sb, As)16S41. It is an orthorhombic-pyramidal grayish black mineral containing antimony, arsenic, lead, and sulfur. It…

Mackinawite is an iron-nickel sulfide mineral with formula (Fe, Ni)1+xS (where x = 0 to 0.11). It is a tetragonal iron-nickel sulfide mineral that occurs…

Macdonaldite is a rare barium silicate mineral with a chemical formula of BaCa4Si16O36(OH)2·10H2O. It is an orthorhombic-dipyramidal mineral containing barium, calcium, hydrogen, oxygen, and silicon.…

Macaulayite is a red, earthy, monoclinic mineral, with the chemical formula (Fe3+, Al)24Si4O43(OH)2. It is monoclinic blood-red mineral containing aluminum, hydrogen, iron, oxygen, and silicon.…

Easter Island, Spanish Isla de Pascua, also called Rapa Nui, the volcanic origin, is one of the fascinating but least visited archeological sites. The treeless…

The ‘Bélmez Faces’ or the ‘Faces of Bélmez’ is an alleged paranormal phenomenon in a private house of Spain, which was started in 1971. Residents…

Over the last few decades, miners in South Africa have been digging up mysterious metal spheres. Origin unknown, these spheres measure approximately an inch or…

A lodestone is a naturally magnetized piece of the mineral magnetite. It is a piece of magnetite that has magnetic properties and attracts iron or…

On one of the highest hilltops in Elbert County, Georgia, in the United States stands a giant granite monument, which is known as “The Georgia…

Limonite is an iron ore consisting of a mixture of hydrated iron(III) oxide-hydroxides in varying composition. It is a native hydrous ferric oxide of variable…

Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It is a sedimentary rock that…