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Formula: Ba
Barium is an alkaline earth element which does not occur in the native state. It occurs most commonly as
baryte and witherite. It
usually exists as a divalent ion, Ba2+, in its compounds.
Abundance in the Earth’s crust is 425 parts per million by weight, 41 parts per million by moles.
barium is commercially obtained from the electrolysis of molten barium chloride, BaCl2
(ChC).
Specific gravity: 3.59
Colour: Silvery white
Melting point: 725oC
Boiling point: 1897oC
Barium-bearing minerals include:
Oxides
mannardite
redledgeite
Halides
bøgvadite
Carbonates
barytocalcite
benstonite
burbankite
cebaite-(Ce)
cordylite
cordylite-(Ce)
cordylite-(La)
ewaldite
khanneshite
kukharenkoite-(Ce)
kukharenkoite-(La)
mckelveyite-(Y)
norsethite
witherite
Sulphates
baryte
Selenites
guilleminite
Phosphates
alforsite
ariegilatite
bergenite
fluoralforsite
fluorarrojadite-(BaNa)
krasnovite
limousinite
loomisite
mazorite
mengeite
penikisite
rimkorolgite
uranocircite
Arsenates
bariopharmacosiderite
heinrichite
Vanadates
pandoraite-Ba
vésigniéite
Nesosilicates
cappelenite-(Y)
stracherite
zadovite
Sorosilicates
barylite
belkovite
bornemanite
cámaraite
hejtmanite
Inosilicates
charoite
Cyclosilicates
muirite
pabstite
strontiojoaquinite
taramellite
tienshanite
titantaramellite
traskite
walstromite
Phyllosilicates
anandite
gillespite
kinoshitalite
leucosphenite
macdonaldite
sanbornite
Tectosilicates
banalsite
celsian
edingtonite
hexacelsian
paracelsian
verplanckite
Unclassified Silicates
demagistrisite
hyalotekite
pellyite
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