Abramovite is a very rare
mineral
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. (2 ...
from the
sulfides and
sulfosalt
Sulfosalt minerals are sulfide minerals with the general formula , where
*A represents a metal such as copper, lead, silver, iron, and rarely mercury, zinc, vanadium
*B usually represents semi-metal such as arsenic, antimony, bismuth, and rarely ...
categories. It has the chemical formula
Pb2 Sn In Bi S7. It occurs as tiny elongated lamellar-shaped crystals, up 1 mm × 0.2 mm in size, and is characterized by its
non-commensurate structure.
Etymology and history
Abramovite is named after the
mineralogist
Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the proce ...
Dmitry Vadimovich Abramov (born 1963) of the
A.E. Fersman Museum,
Russia
Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
.
It was discovered as
fumarole
A fumarole (or fumerole) is a vent in the surface of the Earth or other rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...
crust on the
Kudriavy (Kudryavyi) volcano,
Iturup Island
, other_names = russian: Итуру́п; ja, 択捉島
, location = Sea of Okhotsk
, coordinates =
, archipelago = Kuril Islands
, total_islands =
, major_islands =
, area_km2 = 3139
, length_km = 200
, width_km = 27
, coastline =
, highest_moun ...
,
Kuril Islands
The Kuril Islands or Kurile Islands (; rus, Кури́льские острова́, r=Kuril'skiye ostrova, p=kʊˈrʲilʲskʲɪjə ɐstrɐˈva; Japanese: or ) are a volcanic archipelago currently administered as part of Sakhalin Oblast in the ...
,
Sakhalin Oblast
Sakhalin Oblast ( rus, Сахали́нская о́бласть, r=Sakhalínskaya óblast', p=səxɐˈlʲinskəjə ˈobləsʲtʲ) is a federal subject of Russia (an oblast) comprising the island of Sakhalin and the Kuril Islands in the Russian ...
,
Far East Region,
Russia
Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
.
Formation
Abramovite is a product of precipitation from
fumarolic
A fumarole (or fumerole) is a vent in the surface of the Earth or other rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volc ...
gases () in an active
stratovolcano.
References
{{Reflist
Sulfosalt minerals
Triclinic minerals
Minerals in space group 2