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General
- Barytes, also called
barite. Barite is the unofficial American spelling. The mineral is also
called heavy spar or tiff.
- Baryte (BaSO4) is a
mineral consisting of barium sulfate.
- It is generally white
or colorless, and is the main source of barium.
- Barite (barium
sulphate, BaSO4), the only commercial source of barium and barium
compounds.
- Barite, a name that
was derived from the Greek word "barus" (heavy), is the mineralogical
name for barium sulfate.
Origin &
Mining Process
- Baryte commonly
occurs in lead-zinc veins in limestones, in hot spring deposits, and
with hematite ore.
- Over 160 barite
deposits or occurrences have been documented in South Australia, with a
total recorded production of 690 000 t.
- The geologic origin
of most of the barite beds and cemented barite deposits has been the
subject of much debate.
- Most barite is mined
from layers of sedimentary rock which formed when barite precipitated
onto the bottom of the ocean.
- A phosphorous-rich
amorphous phase preceded the more crystalline barite formation.
- Barite is most
commonly coarse grained; it also occurs as platy crystals or
fine-grained compact masses that may be white, light yellow, light grey,
brown, pink or blue.
- Commercial barite is
mined from surface or near-surface deposits by open-pit or underground
mining methods.
Application
- Baryte is used in the
manufacture of paints and paper.
- Baryte that is used
as an aggregate in a "heavy" cement is crushed and screened to a uniform
size.
- Barite (BaSO4) is a
nonmetallic mineral used primarily as a weighting agent in drilling muds
in the oil and gas industry.
- Barite has the unique
ability to strongly absorb x-rays and gamma rays.
- Various grades of
barite are suitable for use in chemical markets, pigments applications,
industrial fillers, and drilling muds.
- The amount of mercury
discharged with barite can be estimated during drilling activities.
Market
- The worldwide oil
field barytes market is currently faced with shortages of API grade
baryte.
- The economics of
drilling barite’s low delivered cost rules out many of the world’s known
deposits.
- At present barite is
produced in 66 countries, and China is the largest producer and has the
largest ore reserves, followed by the United States and India.
- China's most
important mineral products—coal, petroleum, iron ore, copper, lead,
zinc, tungsten, mercury, antimony, tin, molybdenum, barite, fluorspar,
magnesite, and rare earths.
- China supplies most
of the imported barite; domestic production was only 33% of the total.
The average price per ton was $25.58.
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