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Formula: Mg3B7O13Cl
Hardness: 7 Density: 2.9-3 Soluble in HCl Water insoluble
Popular flux particularly at the mid-range temperatures of 1000-1200ºC. A major boron ore and source for boric acid.

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Boracite Crystals
| URLs |
http://en.wikipedia.org/wiki/Boracite
Boracite on Wikipedia |
| URLs |
http://www.handbookofmineralogy.org/pdfs/Boracite.pdf
Boracite mineralogy information |
| Materials |
Boric Acid
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