A list of stones and other materials used to make Chinese seals.

Seal Materials

A note on seal stone: the stones used for carving seals were traditionally characterized by origin, color, and physical qualities rather than by a modern geology/mineral classification; there is a huge variety of names in use; and trying to identify a seal stone is often an impossible task (without mineral composition testing). For instance, any stone with red spots may be called chicken-blood stone no matter where it comes from or what it is made of (true chicken-blood stone is extremely rare and valuable). What is sold as stone can also turn out to be something else (like plastic or a composite material). Be extremely cautious and skeptical before buying any expensive stone.

Contact me if you have any corrections or additions.

Agalmatolite
This term is sometimes used to describe Shoushan stone and is a synonym for Pinite, Pyrophyllite, and/or Talc. (Mindat.org) See: shou shan shi.
Agate Jelly Stone
See: ma nao dong
Balincaishi 巴林彩石
Balin color stone.
Balindanshadongshi 巴林丹砂凍石
Balin Cinnabar Jelly Stone, a form of red translucent Balin stone.
Balindong 巴林凍
Balin Jelly Stone.
Balinhuangdong 巴林黃凍
Balin Yellow Jelly Stone.
Balinjixueshi [fangzhang] 巴林雞血石[方章]
Balin Chicken-blood Stone.
Balinniujiaodong 巴林牛角凍
Balin Ox Horn Jelly, a black stone.
Balinshi 巴林石
Balin Stone. A popular stone for seals quarried in Daban Township in the Balin Right Banner, Zhaowuda League, Inner Mongolia Autonomous Region in the area of Mount Yamatu. Mined in north China only since 1973. It comes in many colors. It has been said to be less liable to crack than other popular seal stones. Pyrophyllite [another source says mostly Kaolinite].
Balintianjihuang 巴林田雞黃凍
Balin “Frog” Yellow Stone.
Baiguodong 白果凍
Gingko Jelly, a form of Qingtian stone.
Balin Blood Stone
See: balinjixueshi
Balin Bull Horn Stone
See: balinniujiaodong
Balin Color Stone
See: balincaishi
Balin Frog Yellow
See: balintianjihuang
Balin Ink-figured Stone
See: mohuashi
Balin Ivory
See: xiangyabaishi
Balin Stone
See: balinshi
Balin Yellow
See: balinhuangdong and balintianjihuang
Bamboo
Bamboo root is occasionally used for making seals.
Bantouming
See: shoushanbantouming
Brocade Stone
See: jinshi
Calcite
See: rongyan
Changbailushi 長白綠石
Changbai Green Stone, from Jilin.
Changhuadong 昌化凍
Chuanghua Jelly, a form of Changhua stone. See also: oufendong.
Changhuajixieshi 昌化雞血石
Changhua Chicken-blood Stone, a form of Changhua stone colored with red spatters.
Changhuashi 昌化石
Changhua Stone. Quarried in Shangxi Township, Ning’an City, Zhejiang province (originally under the jurisdiction of Changhua County). First used for seals in the mid-Qing dynasty. Available in several colors, it is one of the three most popular forms of stone used to make seals though not in such quantities as Qingtian or Shoushan. Includes Changhuadong, Changhuajixie, Dahongpao, Jixueshi, Liuguanzhang, and Oufendong stones. A form of Pyrophyllite.
Changmaoxiang 長毛象
Mammoth, wooly mammoth. The tusks are occasionally used as seal carving material.
Changbai Green Stone
See: changbailushi
Changhua Blood Stone
See: changhuajixueshi
Changhua Cinnabar
See: zhushadong
Changhua Jelly Stone
See: changhuadong, oufendong
Changhua Stone
See: changhuashi
Chicken-blood Stone
Any stone colored with red spatters (caused by inclusions of sulfite mercury). Natural chicken-blood stone is usually very expensive but look-alikes can be produced artificially, so buyer beware. Usually a form of Qingtian stone. See: jixueshi.
Chushi 楚石
Chu Stone, quarried in Xinhua County, Hunan Province. Named for the ancient Chu Kingdom. An opaque black stone.
Cinnabar Jelly
See: zhushadong and Balindanshadongshi
Crystal Jelly Stone
See: shuijingdong
Dahongpao 大紅袍
“Bright Red Gown,” a form of Qingtian stone fully covered in “chicken blood.”
Dasongshi
Dasong Stone, quarried in Yinzhou, Zhejiang Province.
Danshadongshi
See: balindanshadongshi
Dasong Stone
See: dasongshi
Dengguangdong 燈光凍
Lamplight Jelly, a form of Qingtian stone.
Dong 凍
“Jelly,” refers to the transparent look of a stone.
Dongshi 凍石
See: steatite
Dongyoushi 凍油石
Frozen Oil Stone, a form of Shoushan Shuikeng stone.
Dulingshi 杜陵石
Duling Stone, a form of Shoushan stone.
Eel Weed Jelly Stone
See: shancaodong
Fangjieshi 方解石
Calcite, a non-traditional seal carving material. Harder than traditional Chinese seal stone, it cannot be cut with a knife and must be worked with grinders.
Fengmenqing 封門青
A form of Qingtian stone. Also called Qingtian Fengmen Blue, although its color is not blue. Fengmen Jelly Stone is considered the best stone for seals.
Fengtiandongshi 奉天凍石
Steatite from Liaoning province in NE China. Generally a white translucent stone.
Field Pit Stone
See: tiankeng
Fish Brain Jelly Stone
See: yunaodong
Frozen Oil Stone
See: dongyoushi
Furongshi 芙蓉石
Lotus Stone, a form of Shoushan stone.
Gaoshan Stone
“Named for its occurrence at Mount Gao (Gaoshan) near Shoushan, Fuzhou City, Fujian Province. A dense variety of dickite with red spots of hematite … it also contains quartz and pyrophyllite as minor impurities. The Chinese consider this material as a variety of Shoushan stone, although true Shoushan stone mainly consists of pyrophyllite.” (mindat.org)
Gingko Jelly Stone
See: baiguodong
Grape Ice Stone
See: putaobing
Guangdonglushi 廣東綠石
Green Stone, also called Guangdong Green, from Guangdong province.
Guangdong Green
See: guangdonglushi
Hanbaiyu 漢白玉
White marble, a non-traditional material for seals.
Hushi 壺石
Kettle Stone, another name for Shoushan stone.
Huakengshi 花坑石
Huakeng Stone, a form of Shoushan stone.
Huandong 環凍
Ring Jelly, a form of Shoushan Shuikeng stone.
Huangdong 黃凍
Yellow Jelly, a form of Shoushan Shuikeng stone.
Huangdongshuizaohuashi 黃凍水藻化石
Lit.: “yellow jelly algae flower stone,” a form of Balin stone.
Hunan Chu Stone
See: chushi
Ivory
Though now generally unavailable due to international restrictions on the use of elephant ivory, this was once a commonly used material for carving seals.
Jelly
Refers to the translucent/transparent quality of a stone.
Jixueshi 雞血石
Chicken-blood Stone, a form of Changhua stone. Also any stone with red spots. See also: Chicken-blood Stone.
Jiangyoudong 醬油凍
Soy Sauce Jelly, a form of Qingtian stone.
Jinshi 錦石
Brocade Stone, from Liaoning.
Kaolinite
A soft stone used for seal carving.
Kettle Stone
See: hushi
Kongqueshi 孔雀石
Malachite, a hard green stone occasionally used for seals.
Kuaihuashi 塊滑石
Steatite, Soapstone. See also: lashi, shijianshi.
Lashi 蠟石
Steatite; soapstone.
Laiyangshi
Laiyang Stone is quarried in Ye County, Shandong Province (formerly Lai Prefecture). A green semi-translucent jelly stone. In use by the early Ming dynasty.
Laiyang Stone
See: laiyangshi
Lamplight Jelly Stone
See: dengguangdong
Landaiqing 蘭帶青
A form of Qingtian stone.
Landingqingtian 藍釘青田
A form of Qingtian stone.
Lanhuadong 蘭花凍
Literally “orchid flower jelly,” Lanhua Jelly is a form of Qingtian stone.
Lanxingqingtian 藍星青田
A form of Qingtian stone with small blue dots.
Liuguanzhang
A form of Qingtian stone with black, white, and red colors.
Lotus Root Jelly Stone
See: oufendong
Lotus Stone
See: furongshi
Manaodong 瑪瑙凍
Agate Jelly, a form of Shoushan Shuikeng stone.
Malachite
See: kongqueshi
Mengmaxiang 猛獁象
Mammoth; wooly mammoth. The tusk is not a traditional material for seals.
Mohuashi 墨花石
Ink-figured Stone, a form of Balin stone.
Mountain Pit Stone
See: shankeng
Oufendong 藕粉凍
Lotus Root Jelly, a form of Changua stone. Also called Changhua jelly.
Peach Blossom Jelly Stone
See: taohuadong
Peak Balin
See: huangdongshuizaohuashi
Porcelain
Porcelain is occasionally used in making seals.
Putaobing 葡萄冰
Grape Ice, a form of Qingtian stone.
Pyrophyllite 葉腊石
A soft stone (1-2 on the Mohs scale) in the talc group used for seal carving. Pyrophyllite quarried in Africa is marketed for carving as “wonderstone.”
Qiancengwen 千層紋
Thousand-layer-vein stone, a form of Qingtian stone with various colored lines running through it.
Qingtianqiancengshi 青田千層石
Qingtian Multi-layer Stone.
Qingtianshi 青田石
Qingtian Stone. Quarried in Shankou, Fangshan, and Zhoucun in Qingtian County, Zhejiang province [10 km outside Qingtian County town]. Mostly light green, but found in other colors, it is one of the three most popular forms of stone used to make seals and was the most common stone for seals made in the Ming and Qing dynasties. Used today by students at the China Academy of Art as a cheaply available stone. Mostly pyrophyllite.
Qingtian Fengmen
See: fengmenqing
Qingtian Multi-layer Stone
See: qingtianqiancengshí
Qingtian Padauk
See: zitandong, zitanhuasuzhang
Qingtian Stone
See: qingtianshi
Qingtian Wuchi Red
See: wuchihongshi
Red Sandalwood Jelly
See: zitandong
Ring Jelly Stone
See: huandong
Rongyan 溶岩
Calcite. Somewhat harder than Chinese seal stone; not tradionally used for seals.
Ruanlanding 軟蘭丁
A form of Qingtian stone.
Ruanyu 軟玉
Nephrite (jade).
Sandalwood Jelly Stone
See: zitandong
Serpentine
A stone (2.5-4 on the Mohs scale) in the serpentine group. Sometimes called “Teton Jade” and often found as a substitute for jade. Antigorite mostly used for art. See also: shebaoshi, shewenshi.
Shancaodong 鱔草凍
Eel Weed Jelly, a form of Shoushan Shuikeng stone.
Shankeng 山坑
Mountain Pit Stone, a variety of Shoushan stone.
Shebaoshi 蛇寶石
[Mineral] serpentine. See also: shewenshi, serpentine.
Shewenshi 蛇紋石
[Mineral] serpentine. See also: shebaoshi, serpentine.
Shihuihua 石灰華
Travertine; tufa.
Shijianshi 石碱石 / 石撿石
Soapstone. See also: kuaihuashi, lashi.
Shiyu 石玉
Jadeite.
Shouningshi 壽寧石
Shouning Stone.
Shoushanshi 壽山石
Shoushan Stone. Quarried in Shoushan Village, 40 km north of Fuzhou City, Fujian Province. Also called húshí (壺石 kettle stone) or tăshí (塔石 tower stone). Glossy and wax-like. Available in many colors, it is one of the three most popular forms of stone used for seals. Includes Tiankeng (field pit stone—the most valuable of the Shoushan stone), Shuikeng (water pit stone), and Shankeng (mountain pit stone). A form of Agalmatolite/Pyrophyllite.
Shoushanbantouming 壽山半透明
Shoushan “Taiji Head” Stone, lit. Shoushan “tranlucent/semi-transparent.”
Shouning Stone
See: shouningshi
Shoushan
see: shoushanshi
Shoushan Cinnabar
See: zhushahonggaoshanshi
Shoushan Stone
See: shoushanshi
Shoushan Tianhuang
see: tianhuangshi
Shoushan Taiji Head Stone
See: shoushanbantouming
Shuicao 水草
“[Water grass],” a form of Qingtian stone.
Shuijigong
See: shuijingdong
Shuijingdong 水晶凍
Crystal Jelly, a form of Shoushan Shuikeng stone.
Shuikeng 水坑
Water Pit Stone, a variety of Shoushan stone. Includes Dongyoushi (frozen oil stone), Huandong (ring jelly), Huangdong (yellow jelly), Manaodong (agate jelly), Shancaodong (eel weeds jelly), Shuijingdong (crystal jelly), Taohuadong (peach blossom jelly), and Yunaodong (fish brain jelly).
Soapstone
Named for its slippery feel. A term often used for any soft stone. This causes a lot of confusion because most information in English says the Chinese use soapstone for seals, which is in fact not usually the case. From Wikipedia: “Pyrophyllite, a mineral very similar to talc, is sometimes called soapstone in the generic sense since its physical characteristics and industrial uses are similar, and because it is also commonly used as a carving material. However, this mineral typically does not have such a soapy feel as soapstone.” See: Steatite.
Soy Sauce Jelly Stone
See: jiangyoudong
Steatite
The softest stone. A massive form of talc. Because of it’s greasy feeling it is also called soapstone. Be careful when using this material as it can be found along with asbestos; be sure to wear a dust mask. Most of the steatite I have found locally has been too soft to use for seals. For the same reason this is why I suspect the ancient Chinese sometimes used this material for seals intended as grave offerings – it was easy to carve and didn’t need to stand up to much use. In Chinese it is called dongshi (凍石).
Tashi 塔石
Tower Stone, another name for Shoushan stone.
Taiji Head Stone
See: shoushanbantouming
Talc
Another name for steatite. When ground down it is made into talcum powder. See: steatite
Taohuadong 桃花凍
Peach Blossom Jelly, a form of Shoushan Shuikeng stone.
Thousand-layer-vein Stone
See: qiancengwen.
Tianhuangshi 田黃石
Field Yellow Stone, a form of Shoushan stone. “The material consists mainly of nacrite, but may also contain minor illite or dickite in varying proportions. The most valuable variety consists of golden yellow nacrite with a coating of colourless, transparent to semi-transparent dickite. This material is only known from the Banlian gravel beds near Shoushan, Fuzhou Prefecture, Fujian Province. The Chinese consider Tianhuang stone as a variety of Shoushan stone although true Shoushan stone mainly consists of pyrophyllite. This material is the most valuable variety of the so-called Tianhuang Stone. It is traded in China for very high prices.” (Mindat.org)
Tiankeng 田坑
Field Pit Stone, the most valuable variety of Shoushan stone.
Tianhuang Stone
See: tianhuangshi
Tongyin 銅印
Copper seal.
Tower Stone
See: tashi
Water Pit Stone
See: shuikeng
Wuchihongshi 武池紅石
Wuchi Red, a form of Qingtian stone.
Wuchi Red
See: wuchihongshi
Xianjushi 仙居石
Xianju Stone, quarried in Dahong village southeast of Xianju in Zhejiang Province.
Xiangya 象牙
Elephant’s tusk, elephant ivory. Occasionally used for seals.
Xiangyabaishi 象牙白石
Balin Ivory Stone.
Xianju Stone
See: xianjushi
Xiaoshanshi
Xiaoshan Stone, quarried in Xiaoshan District, Hangzhou City, Zhejiang Province. An opaque stone.
Xiaoshan Stone
See: xiaoshanshi
Xinjiang Yili Stone
See: yilidengguangdong
Xuehuashigao 雪花石膏
Alabaster, a soft stone not traditionally used for seals.
Yellow Jelly Stone
See: huangdong
Yilidengguangdong 伊犁燈光凍
Yili Lamplight Jelly, a stone from Xinjiang province.
Yili Stone
See: yilidengguangdong
Yunaodong 魚腦凍
Fish Brain Jelly, a form of Shoushan Shuikeng and Qingtian stone.
Yuzibing 魚子冰
Fish Roe Ice, a form of Qingtian stone.
Yuzidong 魚子凍
Fish Roe Jelly, a form of Qingtian stone.
Yueweizi 月尾紫
A form of Shoushan stone.
Yunnankongqueshi 雲南孔雀石
Malachite from Yunnan. Sometimes used for seals.
Zhejiang Xianju Stone
See: xianjushi
Zhushadong 朱砂凍
Cinnabar Jelly, a form of Changhua stone.
Zhushahonggaoshanshi 朱砂紅高山石
“Cinnabar red high mountain stone,” also called “Shoushan Cinnabar,” a form of red Shoushan stone.
Zitandong 紫檀凍
Red Sandalwood Jelly, a form of Qingtian stone.
Zitanhuaqing 紫檀花青
Red Sandalwood Indigo, also called “Qingtian Padauk,” a form of Qingtian stone.
Zitanhuasuzhang 紫檀花素章
Qingtian Padauk, a form of Qingtian stone.