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No, Tiger Eye is a chatoyant gemstone that is usually a metamorphic rock that is yellow- to red-brown, with a silky luster.
No, a tiger's eye rock is not a sedimentary rock. It is a metamorphic rock that forms when minerals replace the original fibers in crocidolite, a blue asbestos mineral.
The silicified variety of crocidolite is called tiger's eye. Tiger's eye is a metamorphic rock with a distinctive golden to red-brown color and a chatoyant luster, caused by fibers of crocidolite becoming replaced by quartz during the process of silicification.
A flaky form of metamorphic rock is schist. It is characterized by its medium to coarse-grained texture and its ability to be split into thin flakes or layers due to the alignment of mineral grains, such as mica. Schist often exhibits a foliated structure, with layers of different minerals visible to the naked eye.
The real name for the gemstone called Tiger's Eye is chatoyant quartz. It is a type of quartz that displays a luminous band of light reflecting from its surface due to its fibrous structure.