How Long Does It Take For Amethyst To Form - This means most geodes have been forming. Web crystal formation amethyst is a variety of quartz and its chemical makeup is composed of silicon dioxide. Web amethyst is a violet. Web naturally formed amethyst geodes take literally millions of years to form. The irradiation causes the iron fe 3+ ions that replace si in the lattice to lose an electron and form a [feo.
Web amethyst is a violet. Web naturally formed amethyst geodes take literally millions of years to form. This means most geodes have been forming. Web crystal formation amethyst is a variety of quartz and its chemical makeup is composed of silicon dioxide. The irradiation causes the iron fe 3+ ions that replace si in the lattice to lose an electron and form a [feo.