Iolite

|- | Blue | 87 || 451 | 152 || 152 | 728 || 728 | 470 || 470 | || |- | Blue-green | 176 || 281 | 153 || 188 | 257 || 398 | 470 || 470 | || |- | Blue-green, Faceted | || | 857 || 857 | || | 798 || 1,221 | || |- | Blue-green, Smokey | || | 422 || 422 | || | || | || |- | Blue-purple | 59 || 288 | 188 || 188 | 257 || 822 | || | || |- | Brown | 357 || 433 | 198 || 857 | 235 || 235 | || | 1,315 || 1,315 |- | Brown, Banded | || | || | 1,645 || 1,645 | || | || |- | Cerulean | 81 || 270 | 657 || 657 | 1,245 || 1,503 | || | || |- | Cerulean, Banded | 491 || 491 | || | || | || | || |- | Cerulean, Faceted | 146 || 146 | || | || | || | || |- | Clear | || | 646 || 810 | || | 705 || 845 | || |- | Clear, Banded | || | 505 || 505 | || | || | || |- | Clear, Smokey | 181 || 181 | || | |1667| | || | || |- | Cobalt | 63 || 352 | || | 258|| 573 | || | || |- | Cobalt, Banded | 216 || 240 | 563 || 563 | 1,386 || 1,386 | || | || |- | Cobalt, Faceted | || | 845 || 845 | || | || | || |- | Cobalt, Smokey | || | 881 || 881 | || | || | || |- | Indigo | 475 || 475 | 164 || 633 | || | || | || |- | Indigo, Banded | || | 411 || 411 | || | 610 || 610 | || |- | Indigo, Smokey | || | || | 1,997 || 1,997 | || | || |- | Purple | 422 || 481 | || | 2,161 || 2,161 | || | || |- | Purple, Banded | || | 470 || 470 | || | || | || |- | Purple-blue | 257 || 486 | 164 || 1,715 | 446 || 1,785 | || | || |- | Purple-blue, Banded | 263 || 370 | || | || | || | || |}

Color		Tiny		Small		Medium		Large		Huge
Base	Modifer	Lower	Upper	Lower	Upper	Lower	Upper	Lower	Upper	Lower	Upper
Blue-green, Banded								610