A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide).
Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems,
together with amethyst, sapphire, emerald, and diamond.
The word ruby comes from ruber, Latin for red. The color of a ruby is due to the
element chromium .
Herkimer Quartz "Diamonds" are the high energy seekers of the crystal world. Unusually transparent with a
they manifest pure, solid Light and are powerful amplifiers of spiritual energy ..
Peridot is one of the few gemstones that occur in only one color: an olive-green. The intensity and tint of the green, however, depends on the percentage of iron that is contained in the crystal structure, so the color of individual peridot
gems can vary from yellow, to Like olive, to brownish-green..