|Crystal class||Hexoctahedral (m3m)
H-M symbol: (4/m 3 2/m)
|Unit cell||a = 3.9 Å; Z = 1|
|Color||Red, red-brown, orange, dark gray|
|Crystal habit||Cubic and octahedral crystals, granular, massive|
|Mohs scale hardness||6-6.5|
|Diaphaneity||Translucent to opaque|
|Refractive index||n = 2.40|
It is a member of the perovskite group.
It was first described in 1982 for an occurrence in a syenite intrusive in Tausonite Hill, Murunskii Massif, Aldan Shield, Sakha Republic, Yakutia, Eastern-Siberian Region, Russia. It was named for Russian geochemist Lev Vladimirovich Tauson (1917–1989). It has also been reported from a fenite dike associated with a carbonatite complex in Sarambi, Concepción Department, Paraguay. and in high pressure metamorphic rocks along the Kotaki River area of Honshu Island, Japan.