Formula :
Na(K,Ba)2(Ti,Nb)2[O2/Si4O12]
System: orthorhombic Hardness:6½ Rarity:very rare
Strunz id:VIII/F.25-20 -
SILICATES
Name origin: Named by E.M. Es kova and M.E. Kazakova in 1954 in honor of Dmitri Ivanovich Shcherbakov (13 January 1893 - 25 May 1966, Moscow, Russia) geochemist and mineralogist.
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