Hawk Eye

Hawk’s eye is a quartz with a silky luster, with the characteristic chatoyancy due to crocidolite inclusions with a bundle structure. From gray to blue with a mobile pearl gray chatter reflection, sometimes the background color can be green and yellow.
Chemical composition: SiO2
Hardness: 7
Density: 2,65 – 2,71 g/cm³
Family:
Origin: South Africa, Brazil, Sri Lanka

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