Characterized by a deep navy blue base typically with tan veining, but vein colors can range from white, green, and even a rose color. Oiled this stone is a black base with soft, thin, spidery veining. Green is a characteristic of PA but it is typically localized to the vein. Stones can vary from heavily veined to lightly veined. Like the Noire, PA is one of the harder stones on the market.
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