Opal is a stone with “fire” inside that catches the light and radiates a spectrum of colors. It is the “eye stone” because it captures one’s attention as it sparkles and radiates a variety of colors. It is also one of the official birthstones for October. It is a gemstone of luck.
For centuries sapphire was prized by royalty. It is in the corundum family of gemstones, the second hardest gemstone at 9.5 on the MOHS scale, and when it is red, it is called ruby due to the presence of chromium in the stone. The other shades of corundum are all sapphire and come in yellow, orange, pink, white, purple, green, black and, of course, blue. In blue, sapphire brings order, harmony and the ability to see to the truth of things. Black sapphires are mainly mined in Australia and are not expensive.
Rubies are the birthstone for July and they are also the gemstone to celebrate a 15th or a 40th anniversary. Rubies have historically been called “the stone of love,” due to their deep, rich red color that indicates passion. They are worn to protect a person from enemies by the Hindus. (Reported in the American Gem Society Blog https://americangemsocietyblog.org/tag/fun-facts-about-rubies/). In the Wizard of OZ, Dorothy’s ruby red slippers were thought to protect her from evil. An additional, interesting fact is that rubies are mentioned four times in the Bible.
Emeralds are the birthstone for May. Just as spring is a time of renewal, emeralds are considered a stone of renewal. Emeralds have one of the most lustrously deep, green color of all the green gemstones. It is considered a “precious” gemstone. It has been prized for centuries and described as “nothing greens greener” by Pliny the Elder.