HOME

TheInfoList



Click Here for Items Related To - Alleghanyite
OR:
Alleghanyite on:   [Wikipedia]   [Google]   [Amazon]

Alleghanyite is a moderately rare humite mineral with formula Mn5(SiO4)2(OH)2, belonging to the
nesosilicate Silicate minerals are rock-forming minerals made up of silicate groups. They are the largest and most important class of minerals and make up approximately 90 percent of Earth's crust. In mineralogy, silica (silicon dioxide, ) is usually consid ...
s class. In general its occurrences are related with
metamorphic Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism. The original rock (protolith) is subjected to temperatures greater than and, often, elevated pressure of or more, causin ...
(metamorphosed) manganese deposits. The mineral is named after Alleghany County,
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
, US.


See also

*
Jerrygibbsite Jerrygibbsite is a rare silicate mineral with the chemical formula . Jerrygibbsite was originally discovered by Pete J. Dunn in 1984, who named it after mineralogist Gerald V. Gibbs (born 1929). It has only been reported from the type locality ...
*
Chondrodite Chondrodite is a nesosilicate mineral with formula . Although it is a fairly rare mineral, it is the most frequently encountered member of the humite group of minerals. It is formed in hydrothermal deposits from locally metamorphosed dolomite. I ...
*
Clinohumite Clinohumite is an uncommon member of the humite group, a magnesium silicate according to the chemical formula ( Mg, Fe)9( Si O4)4( F,O H)2. The formula can be thought of as four olivine (Mg2SiO4), plus one brucite (Mg(OH)2). Indeed, the mineral ...
*
Humite Humite is a mineral found in the volcanically ejected masses of Vesuvius Mount Vesuvius ( ; it, Vesuvio ; nap, 'O Vesuvio , also or ; la, Vesuvius , also , or ) is a somma-stratovolcano located on the Gulf of Naples in Campania, Ital ...


References

Manganese(II) minerals Humite group Monoclinic minerals Minerals in space group 14 {{silicate-mineral-stub