Borate (India)

Borates in chemistry are chemical compounds containing boron bonded to three oxygen atoms written as B(OR)3. In B(OR)4- anions, this number increases to four.
The borate ion is BO33-. it forms salts with metallic elements. Boron found in nature is commonly as a borate mineral. Boron is also found combined with silicate to form complex borosilicate minerals such as the tourmalines.
Borate exists in many forms. In acid and near-neutral conditions, it is boric acid, commonly written as H3BO3 but more correctly B(OH)3. The pKa of boric acid is 9.14 at 25C. Boric acid does not dissociate in aqueous solution, but is acidic due to its interaction with water molecules, forming tetrahydroxyborate:
Lithium Borate
Sodium Borate
Potassium Borate