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Colemanite

Colemanite in Tradeasia

IUPAC Name

Colemanite

Cas Number

12291-65-5

HS Code

25280030

Formula

Ca2B6O11�5H2O

Industry

-

Basic Info

Appearance

colorless or white granular or powder

Common Names

Colemanite

Packaging

25 Kg Bag, 24-25 MT/20'FCL

Brief overview

Colemanite is a borate mineral represented as CaB3O4(OH)3·H2O and first discovered in 1884, eastern California.  It is found in evaporite deposits of alkaline lacustrine environment. Colemanite is considered as one of the stable borate minerals and able to develops electric charge when there is a change in temperature. It is brittle and belongs to sedimentary rock type. The diaphaneity of Colemanite is transparent to translucent.

Mining process

Drilling – The most important of any exploration is drilling, as it is the best way to sample the type and purity of the ore underneath.  
• Shovelling and hauling – Once the underground is loose, enormous shovels are used to scoop the rubbles from the bottom of the mine. The ore is taken from underground, crushed and then sent for refining. 
• Refining – Dissolving, settling, crystallising, filtering, drying and conveying are the steps used for refining boron minerals.  
• Testing and storage – The final stage is to test the refined mineral ore for quality and store for future use.

Ceramics- Used as coating for ceramic sanitary and ceramic kitchenware.
Glass – Used in the manufacturing of heat resistant glass
Agricultire - Similar to other Boron, to produce a healthier plant growth, fertilizers requires a sufficient amount of B. With its low water solubility, colemanite is a slow release source of boron and suitable to be applied to a soil to provide season long B supply for a crop
Other – It is used in medicines and in cosmetics. It is very popular for being a collector’s mineral.

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