Raw Ruby Crystal- Tanzania Pendants The specimen's population peaked in

The specimen's population peaked in the Jurassic period

China required a great deal of steel for industry during the so-called “Great Leap Forward

Measuring between 50 to 75 feet in length

But conditions in these seas were just right

as fossilized remains of younger Mosasaurs are found among fully grown adults

Raw Ruby Crystal- Tanzania Pendants The specimen's population peaked inRuby is a rare gemstone variety of Corundum, the other famous variety being Sapphire. Corundum by itself is colorless, being made of only aluminum and oxygen, but Ruby is distinguished by its rich red color. This comes from small amounts of chromium replacing some of the aluminum. Natural Ruby often has tiny needle like crystals of Rutile and other inclusions, which helps distinguish them from synthetics and imitations. Gem variety Ruby that is