Pinnoite is a magnesium borate valuable for magnesium-rich borate applications, including certain specialty ceramics, refractory formulations, and niche chemical uses. Production is typically from evaporitic environments or brine-derived operations where magnesium and boron coexist in appreciable concentrations. Global production of pinnoite is limited and generally results from selective recovery processes rather than large-scale dedicated mines. Over recent years production volumes have shown modest variability tied to brine project developments and the economics of fractionating mixed borate outputs. Price behavior reflects pinnoite’s specialty status: it commands a premium over bulk sodium borates but is priced competitively with other specialty magnesium borates depending on purity and dehydration state.