Calzirtite

Formula:  CaZr₃TiO₉

Origin of name:  Combination of symbols of elements

Crystal system:  Tetragonal

Crystal class:  4/m 2/m 2/m

Twinning:

Unit cell:

Colour:  Light brown to dark brown, light green, brownish green

Diaphaneity:  Transparent on thin sections

Luster:  Adamantine, greasy on fractures

Habit:  Crystals prismatic; grains with pseudo-isometric form

Hardness:  6 to 7

Specific gravity:  5.01

Cleavage:  None

Tenacity:

Streak:

Synonyms/varieties:

Comments: