Australia, Austria, Czech, Italy
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Color: colorless, Not Available, brown, blue bluish, Hardness: 6.5 7, Refractive index: 1.673 1.693, Density: 3.26 3.36, Chemical composition: Ca2(Fe, Mn)Al2BSi4O15(OH), Crystal structure: triclinic, Origins: USA, Afghanistan. Axinite is a collectors stone that is rarely used in jewelry.
Green, Brownish
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Not Available
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references