Barium

minerals

baryte

witherite

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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

Tungstates
ronpetersonite

Nesosilicates
cappelenite-(Y)
stracherite
zadovite

Sorosilicates
barylite
belkovite
bornemanite
cámaraite
hejtmanite

Inosilicates
charoite
taikanite

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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