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Boron Minerals Of Commercial Importance

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This table presents a detailed overview of boron minerals that hold significant commercial value, highlighting their chemical compositions alongside the percentage of boric oxide (B2O3) content by weight. This information is crucial for industries reliant on boron compounds, such as glass manufacturing, agriculture, detergents, and ceramics, as the boric oxide content directly influences the efficiency and quality of end products. Understanding the variations in B2O3 content among these minerals aids in selecting the most suitable raw materials for specific industrial applications, optimizing resource utilization and economic returns.

Analyzing the data reveals that Boracite (stassfurtite) contains the highest boric oxide content at 62.2%, making it a particularly rich source of boron. Other notable minerals include Sassolite (natural boric acid) with 56.3% and Colemanite with 50.8% B2O3, both of which are widely used in commercial boron extraction. Minerals such as Kernite and Hydroboracite also show substantial boric oxide percentages around 50%, underscoring their importance in the boron supply chain. Conversely, minerals like Datolite and Tincal (natural borax) have lower B2O3 contents, at 24.9% and 36.5% respectively, indicating their more specialized or limited use in boron applications. This range of boric oxide concentrations across different minerals reflects the diverse sources and qualities of boron ores exploited globally.

TABLE 2
BORON MINERALS OF COMMERCIAL IMPORTANCE
B2O3 content2
Chemicalweight
Mineral1compositionpercent
Boracite (stassfurtite)Mg3B7O13Cl62.2
ColemaniteCa2B6O11·5H2O50.8
DatoliteCaBSiO4OH24.9
HydroboraciteCaMgB6O11·6H2O50.5
Kernite (rasorite)Na2B4O7·4H2O51
Priceite (pandermite)Ca4B10O19·7H2O49.8
Probertite (kramerite)NaCaB3O9·5H2O49.6
Sassolite (natural boric acid)H3BO356.3
Szaibelyite (ascharite)MgBO2OH41.4
Tincal (natural borax)Na2B4O5(OH)4·3H2O36.5
Tincalconite (mohavite)Na2B4O7·5H2O47.8
Ulexite (boronatrocalcite)NaCaB5O9·8H2O43

1Parentheses indicate common names.

2Boric oxide.


Source: United States Geological Survey Mineral Resources Program

See also: Boron statistics | Mineral commodity prices


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