Blödite or bloedite is a

hydrate In chemistry, a hydrate is a substance that contains water or its constituent elements. The chemical state of the water varies widely between different classes of hydrates, some of which were so labeled before their chemical structure was understo ...

d sodium magnesium

sulfate mineral The sulfate minerals are a class of minerals that include the sulfate ion () within their structure. The sulfate minerals occur commonly in primary evaporite depositional environments, as gangue minerals in hydrothermal Vein (geology), veins and as ...

with the formula Na₂Mg(SO₄)₂·4H₂O. The mineral is clear to yellow in color often darkened by inclusions and forms monoclinic

crystal A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macros ...

s. Blödite was first described in 1821 for an occurrence in a salt deposit in Ischler Salzberg, Bad Ischl,

Gmunden Gmunden () is a town in Upper Austria, in the district of Gmunden (district), Gmunden. It has 13,204 inhabitants (estimates 2016 ). Geography Gmunden covers an area of and has a median elevation of . It is situated next to the lake Traunsee on t ...

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

and named for German mineralogist and chemist

Karl August Blöde Karl may refer to: People * Karl (given name), including a list of people and characters with the name * Karl der Große, commonly known in English as Charlemagne * Karl of Austria, last Austrian Emperor * Karl (footballer) (born 1993), Karl Cac ...

(1773–1820). It is found worldwide in evaporitic sedimentary environments such as the

Great Salt Lake The Great Salt Lake is the largest saltwater lake in the Western Hemisphere and the eighth-largest terminal lake in the world. It lies in the northern part of the U.S. state of Utah and has a substantial impact upon the local climate, partic ...

Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...

References

Sodium minerals Magnesium minerals Sulfate minerals Tetrahydrate minerals Monoclinic minerals Minerals in space group 14 Minerals described in 1821 Evaporite {{DEFAULTSORT:Blodite

See also

References