carpholite

carpholite

[′kär·fə‚līt]
(mineralogy)
MnAl2Si2O6(OH)4 A straw-yellow fibrous mineral consisting of a hydrous aluminum manganese silicate occurring in tufts; specific gravity is 2.93.
References in periodicals archive ?
The "lean ore" is sometimes crossed by veins up to 80 cm wide and up to several tens of meters in length; this kind of vein yielded carpholite, native copper, sulfides, and probably the world's best specimens of tinzenite, sursassite and ganophyllite.
Carpholite [Mn.sup.2+][Al.sub.2][Si.sub.2][O.sub.6][(OH).sub.4]
Carpholite is found as aggregates of yellow fibers in the quartz veins which cut chert.