▲ 8 r/crystalgrowing
Lavender colored Chromium alum
Someone knows what ratio Chromium alum/Potassium alum to dissolve in water to get nice lavender colored double crystals?
u/ElGuettoro — 8 days ago
Someone knows what ratio Chromium alum/Potassium alum to dissolve in water to get nice lavender colored double crystals?