Animals with fur include Beaver, Black Bear, Caribou, Chinchilla, and Coyote. The three main types of fur are guard hairs, underfur, and apocrine sweat glands (which produce oily secretions).
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Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.
The world’s love of diamonds had its start in India, where diamonds were gathered from the country’s rivers and streams. Some historians estimate that India was trading in diamonds as early as the fourth century BC.
Diamond’s characteristic chemical composition and crystal structure make it a unique member of the mineral kingdom. Diamond is the only gem made of a single element: It is typically about 99.95 percent carbon. The other 0.05 percent can include one or more trace elements, which are atoms that aren’t part of the diamond’s essential chemistry.
“GIA diamond” is a term you’ll find when engagement ring shopping – short for a diamond graded by GIA, the creator of the 4Cs and the independent, diamond authority. Learn more about ”GIA diamonds” and why savvy shoppers rely on GIA. In this blog, we’ll dive deeper into what makes “GIA diamonds” stand out, answer what makes a diamond a “GIA diamond”, and explain why ...
What is a GIA Diamond? | Trusted Diamond Grading | GIA 4Cs