Beautiful Chinese Natural Agate Snuff Bottle Dimension:80*45*30(mm) 3.15*1.77*1.18(in) Weight 0.15 lbs/70 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

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