OPTICAL-ABSORPTION OF D4 ION FE4+ IN PLEOCHROIC AMETHYST QUARTZ

[1] Abragam A., 1970, ELECT PARAMAGNETIC R

[2] PARAMAGNETIC RESONANCE AND OPTICAL PROPERTIES OF AMETHYST [J]. JOURNAL OF CHEMICAL PHYSICS, 1965, 42 (07) : 2599 - &

[3] Chentsova L.G., 1966, KRISTALLOGRAFIYA, V11, P236

[4] COHEN AJ, 1956, AM MINERAL, V41, P874

[5] COHEN AJ, 1975, AM MINERAL, V60, P338

[6] COHEN AJ, 1974, AM MINERAL, V59, P719

[7] ESR OF AN S=2 CENTER IN AMETHYST QUARTZ AND ITS POSSIBLE IDENTIFICATION AS D4 ION FE4+ [J]. JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1976, 9 (17): : 3355 - 3361

[8] Dennen WH., 1972, CAN MINERAL, V11, P448

[9] DEXTER DL, 1958, SOLID STATE PHYS, V6, P353

[10] SPECTRA OF TETRAHEDRAL FE-2+ IN MGAL2O4 [J]. PHYSICAL REVIEW B, 1973, 8 (07): : 3484 - 3486

[1] Abragam A., 1970, ELECT PARAMAGNETIC R

[2] PARAMAGNETIC RESONANCE AND OPTICAL PROPERTIES OF AMETHYST [J]. JOURNAL OF CHEMICAL PHYSICS, 1965, 42 (07) : 2599 - &

[3] Chentsova L.G., 1966, KRISTALLOGRAFIYA, V11, P236

[4] COHEN AJ, 1956, AM MINERAL, V41, P874

[5] COHEN AJ, 1975, AM MINERAL, V60, P338

[6] COHEN AJ, 1974, AM MINERAL, V59, P719

[7] ESR OF AN S=2 CENTER IN AMETHYST QUARTZ AND ITS POSSIBLE IDENTIFICATION AS D4 ION FE4+ [J]. JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1976, 9 (17): : 3355 - 3361

[8] Dennen WH., 1972, CAN MINERAL, V11, P448

[9] DEXTER DL, 1958, SOLID STATE PHYS, V6, P353

[10] SPECTRA OF TETRAHEDRAL FE-2+ IN MGAL2O4 [J]. PHYSICAL REVIEW B, 1973, 8 (07): : 3484 - 3486