hydroboracite

== English == === Etymology === From hydro- +‎ boracite. === Noun === hydroboracite (plural hydroboracites) (mineralogy) A hydrated borate mineral with the chemical formula CaMgB6O8(OH)6·3(H2O). === Further reading === David Barthelmy (1997–2026), “Hydroboracite”, in Webmineral Mineralogy Database. “hydroboracite”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2026.