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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:
Halides
bøgvadite
Carbonates
barytocalcite
benstonite
burbankite
cordylite
cordylite-(Ce)
cordylite-(La)
ewaldite
khanneshite
kukharenkoite-(Ce)
kukharenkoite-(La)
mckelveyite-(Y)
witherite
Sulphates
baryte
Selenites
guilleminite
Phosphates
alforsite
bergenite
krasnovite
loomisite
mengeite
penikisite
rimkorolgite
uranocircite
Arsenates
bariopharmacosiderite
Vanadates
pandoraite-Ba
vésigniéite
Nesosilicates
zadovite
Sorosilicates
barylite
bornemanite
cámaraite
hejtmanite
Cyclosilicates
muirite
pabstite
strontiojoaquinite
taramellite
tienshanite
titantaramellite
traskite
walstromite
Phyllosilicates
gillespite
kinoshitalite
leucosphenite
macdonaldite
sanbornite
Tectosilicates
banalsite
celsian
edingtonite
verplanckite
Unclassified Silicates
hyalotekite
pellyite
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