Other Definitions
stibnite (dict)

Stibnite

olspan=2 align=center | Stibnite
olspan=2|
olspan=2|General
ategory Mineral
a href="/encyclopedia/Chemical-formula" title="Chemical formula">Chemical formula antimony sulfide (Sb2S3)
olspan=2|Identification
Colour Steel gray to dull gray. Black iridiscent tarnish may be present.
Crystal habit Massive, radiationg and elongated crystals. Massive and granular.
Crystal system Orthorhombic
Cleavage Perfect
Fracture Small-scale subconchoidal
Mohs Scale hardness 2
Luster Splendent on fresh crystals surfaces, otherwise metallic
Refractive index Opaque
Pleochroism N/A
Streak Similar to colour
Specific gravity 4.56 - 4.62
Fusibility ?
Solubility Souluble in hydrochloric acid
olspan=2|Major varieties
Metastibnite Earthy, reddish deposits
Stibnite, sometimes also called antimonite, is a sulfide mineral. It crystallizes in the orthorhombic system, has hardness 2 and a grey colour. Its chemical composition is described by the formula Sb2S3 Stibnite is the most important source for the rare metal antimony. It is soluble in hydrochloric acid, and is tarnished by potassium hydroxide solution. Small deposits of Stibnite are common, large ones are rare. It occurs in Canada, Mexico, Peru, Japan, China, Germany, Romania, Italy, France, England, Algeria, and Kalimantan, Borneo. In the United States it is found in Arkansas, Idaho, Nevada, California, and Alaska. Spectacular, large iridescent stibnite crystals are found in Japan.

See also

 

<< PreviousWord BrowserNext >>
william kelly
movement for national reform
movement of society for peace
indian air force
path (computing)
kyobashi station (osaka)
colliston castle
radeon
workers' party (algeria)
digraph (orthography)
islamic renaissance movement
party of algerian renewal
movement of national understanding
deadlands
list of political parties in morocco
mary, princess royal and princess of orange
rally for culture and democracy
milk fetishism
seikan tunnel
socialist union of popular forces
movement for democracy in algeria
mass society
milkmaid
day age creationism
availability heuristic
islamic salvation front
the greens green alternative
national liberation front (algeria)
john glas
pamphleteer
glasite
dark eldar
hatay
superstimulus
bill blass
uss barracuda
uss f 2 (ss 21)
uss barracuda (ss 163)
uss barracuda (ssk 1)
leo vi of armenia
orhan pamuk
marie of armenia
cub scouts
great officer of state