Ten Ruby Gemstone Facts (July Stones)
Ruby gemstones are among the world’s most prized and durable gems, famous for their vivid red color, fascinating natural features, and remarkable history in both jewelry and science. Here are ten interesting facts about ruby stones followed by a fun trivia quiz. How many can you get right?? Ten Ruby Gemstone Facts 1. Ruby Is the Red Variety of Corundum Ruby is a variety of the mineral corundum (aluminum oxide). All other colors of gem-quality corundum are classified as sapphire, not ruby. What makes ruby different is the presence of chromium, which gives it its red color. 2. Rubies Rank 9 on the Mohs Hardness Scale Ruby is extremely durable, ranking…
The Many Different Shades of Ruby Gemstones ~ July’s Birthstone
There are many different shades of ruby gemstones, depending on their origin and the presence of trace elements in their crystal structure. Rubies are a type of corundum mineral that are known for their deep red color, which is caused by the presence of chromium in the crystal structure. Other trace elements such as iron, titanium, and vanadium result in shades of pink, purple, orange, and brown. Ruby Gemstone Colors When describing a color in gemmology (study of gems), the primary color is stated last and the secondary color stated first. So, for rubies the primary color is red and some of the most common ruby shades are purplish-red, orange-red…




