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:

Carbonates

witherite

Sulphates

baryte

Phosphates

bergenite
penikisite
uranocircite

Arsenates

bariopharmacosiderite

Vanadates

vésigniéite

Sorosilicates
bornemanite
hejtmanite

Cyclosilicates

muirite
taramellite

Phyllosilicates

gillespite
macdonaldite
sanbornite

Tectosilicates

banalsite
celsian

Unclassified Silicates

hyalotekite
pellyite

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