Mineral Factbook

Hectorite

Na0.3(Mg,Li)3Si4O10(F,OH)2·nH2OIMA symbol: Htrquestionable

Hectorite is a silicate mineral with the formula Na0.3(Mg,Li)3Si4O10(F,OH)2·nH2O, crystallizing in the monoclinic system. Its streak is white.

Photos

Hectorite specimen photo
Dave Dyet http://www.shutterstone.com http://www.dyet.com · Public domain · Commons

Physical properties

Streak
whitesingle sourceWikidata (CC0)

Classification

Nickel-Strunz (10th)9.EC.45Wikidata (CC0)
Nickel-Strunz (9th)9.EC.45Wikidata (CC0)
Dana (8th)71.3.1b.4Wikidata (CC0)