Colorless sapphire and black sapphire are gemstones in the corundum group that present distinct physical appearances. White sapphire is transparent and colorless or near-colorless, whereas black sapphire exhibits a black or very dark, near-black appearance. This difference opens opportunities to utilize both gemstone groups in jewelry designs according to preferred tastes. Both varieties share the basic chemical formula Al₂O₃, identical to blue sapphire and sapphires of other colors. The color-inducing components and internal features determine their observed color and transparency. (Note: Information regarding meanings and beliefs is based on historical and cultural records and does not represent scientifically proven properties.)
Although belonging to the same mineral species, White and Black Sapphire present different aspects to consider, including color characteristics, transparency, cutting style, and internal inclusions as follows.
Read the gemstone guide
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