China's four famous stones are: Shoushan stone, Qingtian stone, Changhua stone, Bahrain stone. In ancient times, many poets and scribes compared to the stone, the phase stone painting shadow, heart stone exchange, deep feelings.

1, Shoushan stone, "stone emperor" "stone queen", colored stone with "fine, knot, moist, greasy, warm, condensation" of the six virtues of the stone, its stone quality, stone color, stone shape, stone pattern Rich and colorful, crystal moist, rich storage varieties, hardness of molar 2.5 - 2.7 between, is the top carving color stone, "noble stone and cheap jade" said.

2, Qingtian stone is a kind of metamorphic acidic volcanic rock, called rhyolite tuff, the main mineral composition for the foliated paraffin, there are quartz, sericite, silica, green cordite, and monohydrate duralumin, and so on. Rock hardness is medium, jade contains chlorite, sericite, stibnite and other minerals, so the rock has a slippery feeling.

3, Changhua stone production of Zhejiang Province, Lin'an Changhua town. Changhua stone with greasy luster, slightly transparent to translucent, very few transparent. There are many varieties, most of the color and lustre of sedentary, tough and astringent, obviously with a group of flaky fine white powder points. Pure color without miscellaneous rare, dense texture, tough and astringent knife, less sand and impurities (astringent, non-pejorative).

4, Bahrain stone, produced in China's Inner Mongolia Autonomous Region, Chifeng City, Bahrain right banner, the scientific name of chlorite. With Shoushan stone, Qingtian stone, Changhua stone and known as "China's four major seal stone". Bahrain stone colorful, peculiar texture, Zhongling Yuxiu, known as the exquisite stone.

Expanded:

Shoushan stone is one of the traditional "Four Great Seal Stones" of China. Distributed in the northern suburbs of Fuzhou City, Jinan District and Lianjiang County, Luoyuan County, the junction of the "Golden Triangle" zone. If the direction of the vein, can be divided into high mountains, Qishan, Yueyang three systems.

Qingtian stone stone quality and Shoushan stone is not quite the same. Qingtian stone is green as the main tone of the base color, Shoushan stone is red, yellow, white several colors coexist. Famous products of Qingtian stone include light jelly, fish brain jelly, soy sauce jelly, Fengmen green, Bujing jelly, mint jelly, Tianmo, Tianbai, and so on.

Changhua stone is produced in Changhua Town, Lin'an, Zhejiang Province. Changhua stone with grease luster, slightly transparent yellow and black two-color coincidence to translucent, very few transparent. There are many varieties, most of the color and lustre of sedentary, tough and astringent, obviously with a group of flaky fine white powder point.

Bahrain stone belongs to the chlorite, stone quality is fine and moist, bright through the spirit, fine texture, brilliant, color charming and gentle, like the baby's skin, delicate and incomparable. Bahrain Fuhuang stone quality transparent and soft, firm but not brittle, color and lustre pure yellow flawless, set fine, clean, moist, greasy, warm, condensed six elements in one, goldstone industry has been "an inch of Fuhuang three inches of gold," said.

Baidu Encyclopedia - The Four Famous Stones