Morimotoite

Formula:  Ca₃TiFeSi₃O₁₂

Origin of name:  For Nobuo Morimoto, Japanese mineralogist

Crystal system:  Cubic

Crystal class:  4/m -3 2/m

Twinning: 

Unit cell: 

Colour:  Black

Diaphaneity: 

Luster:  Adamantine

Habit:  Subhedral to euhedral grains to 15 mm

Hardness:  7.5

Specific gravity:  3.75

Cleavage:  None

Tenacity: 

Streak: 

Synonyms/varieties:

Comments:  Series with andradite; may have rims of grossular-andradite