Composition: SiO2
Color: brown brown-crimson
Stroke color: white
Hardness: 7
Syngony:
Bull's eye is a type of "eye quartz"
It is a tiger's eye that has been subjected to natural or artificial temperature influence. As a result of such influence, the limonite contained in the original stone partially dehydrates and turns into hematite, which gives the stone its brown shades.
From the series of stones-protectors. Supports the root chakra, confidence, the ground under the feet, security