Alashan agate is very collectible. It is gem-grade, such as corundum, glow, crystal, pearl and stars. There are countless green opals (opals), such as hibiscus agate, chicken blood agate, egg yolk agate, amethyst agate and so on. The most precious grape agate is king, just like crystal grapes. In addition, Alashan agate is also.
Agate, also known as agate, Kate Ma, agate, etc. , is a chalcedony mineral. It is usually a banded block mixed with opal and aphanitic, with hardness of 6.5-7 degrees and specific gravity of 2.65. Its color is layered, translucent or opaque, and its original form is a triangular crystal system, which often forms various structures in dense blocks, such as breast, grape and tuberculosis. The common structure is concentric circles.
The shape of agate
It is often dense and massive, forming various structures, such as breast, grape and tuberculosis. Common structures are concentric circles, with different colors, depending on the kind and amount of impurities contained in them. They are usually distributed in strips, concentric circles, clouds or dendrites, with white, gray, brown and reddish brown as the most common, black, blue and other colors, white or nearly white stripes, waxy luster and translucent to. .
Irregular block, nearly oblate, cylindrical (as an extra part of processing handicrafts), red, orange-red to dark red, milky white and grayish white. The stripes are white, translucent and smooth as glass; Some are uneven, waxy, light, hard and brittle, and easily broken. Concentric ripples with the stress point as the center can be seen on the cross section, like shells, angular and sharp, which can scratch the glass and leave scratches, odorless and tasteless, and is not easy to heat up after rapid friction. Strong quality, red color and transparency are preferred.