LOPARITE (Ce,Na,Ca)2(Ti,Nb)2O6 (orthorhombic) .Khibiny Tundra, Kola Peninsula, Russia .
Crystals are usually twinned, Occurs as cubic shaped crystals. observed in granite and other igneous rock. 鈰鈮鈣鈦礦常作理想的立方體，穿叉雙晶常見，其長可及20mm，硬度 5.5，比重 4.77 ，紅綜色，灰黑色，金剛光澤或金屬光澤．形成於花崗岩，火成岩中．常見與 lorenzenite，EUDIALYTE，AEGIRINE共生．
礦名來源：From the Russian name for the Lapps, "Lopar", inhabitants of the Kola Peninsula, Russia.

經典名礦欣賞
NO.473