Superb Chinese Natural Agate Snuff Bottle Dimension:69*59*46(mm) 2.80*2.28*1.30(in) Weight 0.25 lbs/153 g Agate is a code, Ma Nao, horse brain, is a kind of mineral chalcedony class, is often mixed with grain belt of the block Opal and cryptocrystalline quartz, Mohs hardness of 7, the density of 2.6-2.7 grams per cubic centimeter, a level of color, translucent to opaque. Often do decorations or hobby. See clusters of agate often in ancient burial.

Great