Vesuvianite Visible Spectra (380 - 1100 nm)

Common vesuvianite, (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10, is brownish-yellow from its Fe3+ content. Chromium produces rich green colors while manganese can produce lavender to dark brownish-red color as Mn3+. Copper (Cu2+) causes blue color in vesuvianite.

Wiluite, Ca19(Al,Mg)8(B,Al,   )5(SiO4)10(Si2O7)4(O,OH)10, is a closely related mineral

          Image of the wiluite absorption spectrum

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last updated: 15-Jan-2015