Green
Colorless, White, Brownish, Reddish, Black, Brownish, Black, Colorless, gray, White, Reddish, Brown
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda