Introduction to Gemology with Jeffery Bergman — gemstome

Until the early 20th century, the color of ruby was considered to range from the very palest pink to the deepest blood red. In fact, pink is just a low saturation of the color red. For example, if you put one drop of blood red dye in a glass and fill it with water, it will look pink. It was Western gemologists who started calling light colored rubies “pink sapphires” in the early 1900's, and the term continues to be used by many dealers and gemstone identification laboratories to this day.   Fine example of unheated pink Madagascar sapphire - AsiaLounges Collection...

Hey Loungers, The gemstone discoveries in East Africa in the 1960s transformed the jewelry world: new varieties, new colors, and new variations on existing species made that decade a most exciting time in the gemstone industry.   Prime example of a Forest Green Tanzanian Tsavorite - Learn more about this gem here. In 1968 in Tanzania, a magnificent brilliant green grossular garnet was discovered. The beautiful green garnet was also found on the Kenya side of the border in 1971, in the Taita Taveta district. In 1974, the new gem was named "Tsavorite", after the famous Tsavo National Park in Kenya....