Carpholite

Formula:  MnAl₂Si₂O₆(OH)₄

Origin of name:  From Greek for straw

Crystal system:  Orthorhombic

Crystal class:  2/m 2/m 2/m

Twinning:

Unit cell:

Colour:  Straw-yellow to wax-yellow

Diaphaneity:

Luster:  Silky, glistening

Habit:  fibrous, radiated tufts

Hardness:  5 to 5.5

Specific gravity:  2.9 to 3.04

Cleavage:  1; {010} perfect

Tenacity:

Streak:

Synonyms/varieties:

Comments:  Series with ferrocarpholite