The difference between black agate and obsidian
Obsidian is mainly silica, but it is not a crystal gem.
The main component of agate is also silicon dioxide, which belongs to aphanitic texture, but it is generally translucent or opaque.
Natural agate has glass and oily luster, and the natural patterns are bright, natural and pure, smooth and moist.
Obsidian will have natural stripes or spots.
Obsidian is relatively transparent and agate is slightly turbid.
The hardness of obsidian is weaker than agate.
Is black agate natural?
Black agate is a kind of pure natural agate with black color, and agate resources are very scarce. At present, the black agate in major domestic markets or jewelry stores is made by optimization or color change. The color of this agate stone is thick black, which is easily confused with other jet stones. The hardness of black agate is higher than other jade. The original stone of black agate is goose egg-shaped, transparent to opaque, with some black-gray tones.
Will black agate transmit light?
Black agate is translucent, transparent to opaque, with refractive index of 1.54 and hardness of 7. It belongs to chalcedony and is gray when it is pure. Because black agate has natural pores, it can be dyed into red, green, blue and other colors in the later period. Wearing it for a long time can also relieve human pressure and increase people's self-confidence.
Do you want black agate to blossom?
In fact, black agate does not need to be turned on. Although the crystal needs to be turned on, the black agate does not need to be turned on. It is indeed recommended to wear it for a long time for degaussing.