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Molecular formula : MW : CAS :
nature : NaCa [B5O7 (OH) 4] 6H2O also known as sodium borate calcite. White. Micro-transparent. Sexual very crisp. Chang Cheng loose clumps, or by the hair-like needle-like crystals. Crystal is triclinic (also some monoclinic). Density 1.65. A hardness. Almost insoluble in cold water. Soluble in hot water. Dry boron found in the lakes. Acid soluble. For manufacturers such as borax and boric acid.
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