Types of Diamond: Diamond type is a method of scientifically classifying diamonds by their level and type of chemical impurities. Diamonds are separated into four types: Type Ia, Type Ib, Type IIa, and Type IIb. The impurities measured are at the atomic level within the crystal lattice of carbon atoms and so, unlike inclusions, require an infrared spectrometer to detect. Different diamond t...by rajan84 in: Botswana Travel Forum
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