Formula :
(Mn^2+_,Mg)6[(OH)8/Si4O10]
System: monoclinic Hardness:3-3½ Rarity:rare
Strunz id:VIII/H.27-55 -
SILICATES
Name origin: Named in 1889 by Axel Hamberg (1889) from the Greek, χάρυον = nut, due to its brownish color and habit + πίλος = felt, due to its appearance like a feltlike mass in thin sections.
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