Formula: Ca2(Mn,Fe)7Si10O28(OH)2 · 5H2O

Colour: Rose-red, pink, orange-pink, orange-red-brown

Lustre: Vitreous, Silky

Hardness: 5½ – 6

Specific Gravity: 3.03 – 3.04

Crystal System: Triclinic

b Named by Adolf Schneider in 1887 from the Greek Ίνες (ines), ‘flesh fibers’, in allusion to its color and habit.

Type Locality: Hilfe Gottes Mine, Oberscheld, Dillenburg, Lahn-Dill, Giessen Region, Hesse – Germany