Which gives violet color with borax?
Oxidising Flame | Reducing Flame | Metal | ||
Hot | Cold | Hot | Cold | |
Green | Blue | Colourless | Opaque red-brown | Copper |
Yellowwish-brown | Yellow | Green | Green | Iron |
Yellow | Green | Green | Green | Chromium |
Violet (amethyst) | Amethyst | Colourless | Colourless | Mangenese |
Blue | Blue | Blue | Blue | Cobalt |
Violet | Reddish-brown | Grey | Grey | Nickel |
Yellow | Colourless | Brown | Brown | Molybdnum |