http://finchosman56.jigsy.com/....entries/general/Tiny
Sapphires undertake "heteronuclear" charge transfer as electrons are moved in between ions of various elements. Blue kyanite is colored by the same charge transfer process as blue. sapphire. Tourmaline will certainly appear brown when the exact same impurities, iron and titanium, exist, however appears yellow with the impurities manganese and titanium undergoing cost transfer. The 'Sapphire Reefs' scheme, with its blend of deep blue (# 0F52BA) and cozy coral reefs tones (#ff 7F50, #ff 4500, #ff 634