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" Some info on Oxbloods"
However, the most collectible are the Oxbloods. Oxblood actually refers to a specific color that is found on the marble. This is a deep rust red with black filaments in it. The color is very similar to dried blood, hence the name. It is often confused with red colors of other manufacturers. However, those colors are almost always translucent to transparent and do not have black filaments. Oxblood must be opaque and it must have black filaments in it.Oxbloods are found in corkscrew, swirl or patch varieties. They are usually referred to by the name of the underlying marble that they are found on: Chocolate oxblood (opaque brown or dark tan base with oxblood), clear oxblood (transparent clear base with oxblood), milky oxblood (translucent white base with oxblood), silver oxblood (translucent silver base with opaque white swirls and oxblood), limeade oxblood (limeade corkscrew with oxblood), egg yolk oxblood (milky white base with a bright yellow swirl and oxblood), carnelian oxblood (milky white and brown swirls with oxblood), blue oxblood (milky white base with a translucent blue swirl and oxblood), orange oxblood (milky white base with translucent orange swirls and oxblood), lemonade oxblood (milky white base with yellow swirl and oxblood), oxblood corkscrew (opaque white base with an oxblood corkscrew, sometimes on a dark blue spiral, which is called a blue-blood), swirl oxblood (white base with oxblood swirls), patch oxblood (white base with a stripe of oxblood on one side). The swirl and patch oxbloods are generally believed to be more recent than the others. Also, some hybrid combinations of two of the above have been found, but they are extremely rare. Generally, the oxblood floats on the surface of the marble. It is less common to find some of the oxblood inside the marble.
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