AM_Clinojimthompsonite
Formula: (Mg3.979 Fe1.021) Si6 (O18 H2)
Name: Clinojimthompsonite
Unit cell: 9.874 27.24 5.316 90.0 109.5 90.0 , V=1347.82
Space group: C12/C1 (15)

Veblen D R , Burnham C W , American Mineralogist , 63 (1978) p.1053-1073, New biopyriboles from Chester, Vermont: II. The crystal chemistry of, jimthompsonite, clinojimthompsonite, and chesterite, and the amphibole-mica, reaction