Input interpretation
feldspar group | refractive indices
Table
albite | 1.531 | 1.534 | 1.54 | 0 | 0 | 0 andesine | 1.549 | 1.553 | 1.557 | 0 | 0 | 0 anorthite | 1.574 | 1.581 | 1.586 | 0 | 0 | 0 anorthoclase | 1.524 | 1.529 | 1.532 | 0 | 0 | 0 banalsite | 1.57 | 0 | 0 | 0 | 0 | 0 buddingtonite | 1.53 | 0 | 0 | 0 | 0 | 0 bytownite | 1.568 | 1.573 | 1.578 | 0 | 0 | 0 celsian | 1.582 | 1.586 | 1.595 | 0 | 0 | 0 dmisteinbergite | 0 | 0 | 0 | 1.575 | 0 | 0 hyalophane | 1.542 | 0 | 0 | 0 | 0 | 0 labradorite | 1.559 | 1.563 | 1.568 | 0 | 0 | 0 microcline | 1.518 | 0 | 0 | 0 | 0 | 0 oligoclase | 1.538 | 1.542 | 1.547 | 0 | 0 | 0 orthoclase | 1.518 | 1.522 | 1.524 | 0 | 0 | 0 paracelsian | 1.57 | 0 | 0 | 0 | 0 | 0 reedmergnerite | 1.554 | 0 | 0 | 0 | 0 | 0 sanidine | 1.522 | 1.527 | 1.528 | 0 | 0 | 0 slawsonite | 1.572 | 1.582 | 1.586 | 0 | 0 | 0 stronalsite | 1.563 | 0 | 0 | 0 | 0 | 0 svyatoslavite | 1.552 | 0 | 0 | 0 | 0 | 0