You will see it advertised but it is not turquoise at all...
"Wild Horse" magnesite is the marketing name for a new "find" mined in the Gila Wilderness area in southern Arizona. Chocolate brown with off white spots, it is magnesite (magnesium carbonite) mixed with hematite. Its spotted appearance resembles the pattern on the Appaloosa horse.
Also marketed under the names "Appaloosa" and "Crazy Horse" magnesite.
Below is a "Wild Horse" pendant accented with black jet and lab opal