Fuping Moyu, its color is like ink, greasy and warm, Fuping Moyu crafts use traditional crafts, continue the traditional ink jade culture; Fuping Moyu crafts use Fuping Moyu (mudstone) as raw material, after mining, material selection, Forming, cutting, grinding, plate, engraving, hand grinding, cooking, polishing and other processes are finely made. The color is heavy and greasy, the texture is fine, the black is like ink, the light and clean is lovely, the color is pure, the hardness is small, the purity is high, The density is large, the impurities are small, and it is the best material for the treatment of knives and knives. The ancients and diamonds, gems and colored stones are called "Guimei Stone", which is a precious and rare natural resource.

Moyu is a precious and rare natural resource. It is only produced in the northern mountainous area of ​​Fuping County, Shaanxi Province. Its color is heavy and greasy, the texture is fine, the black is like ink, the light and clean is lovely, it is very famous, its hardness is about Mohs4o, it is The ancients used the diamonds, gems, and colored stones to be called "Guimei Stone". Fuping Moyu has been mined since the Qin and Han Dynasties. According to the county records, “the county produces ore, the counties of the counties and counties, and the words, the honing, the number of people” is also the famous “stone carving town” in China. Fuping Moyu and his works also have a glorious history in the history of Chinese civilization. Xi'an Beilin, known as China's largest stone carving art treasure house, has more than 1,700 cultural relics in its collection, of which more than 80% are made by Fuping Moyu. "Lushan Engraving Stone", "Cao Quanbei" of Dongyang Heyang, Ouyang Xun's "Huangfu's Birthstone", Yan Zhenqing's "Multiple Pagoda", Liu Gongquan's "Mysterious Tower"... is even more a treasure of the town hall. Today, the provincial museum is a replica of the stone, or a famous contemporary calligraphy stone, stone materials are taken from Fuping, and carved by rich folk artists. The 800-year-old Qinchuan in central Shaanxi is known as the “Open-air Stone Carving Art Museum”. It is a large-scale engraving group with a large variety of stone carvings, statues, and horse-drawn horses. It is 15 meters high from the bridge and weighs 40 tons. The Chinese watch, the mysterious monument without a word in front of Fuling, and the "Zhaoling Liujun" of the country's gems are all made by Fuping Moyu. In the Qing Dynasty, Hanlin Li Yin wrote in his "Tang Ling Mo Yu": The giant cui 碛 嵬 million layers, the Tang family middle leaves from the tombs, the green 岑 岑 岑 随 随 随 随 随 随 随 随 随 随 随 随 。 。 。 Fuping Moyu is a geographical indication protection product.

Fuping Moyu (general mudstone) quality technical requirements I. Raw material requirements 1. Requirements for the origin of raw materials: Within the scope of production, the mining shall be approved by the local government department, and after the relevant departments have examined and filed the records, the ore mined by the enterprise legal person who obtained the mineral resource mining license according to law. 2. Second, raw material mining and selection 1. Production process: mining → material selection → processing. 2. (2) Material selection: Remove defective products with cracks and other defects, and determine the reasonable use according to the size of the block. (3) Processing: After mining and selecting materials, it is designed, cut, shaped, polished, plated, engraved, refined, steamed and polished. Third, the quality characteristics 1. Sensory features: the appearance of dark gray, dense and delicate, single color, black and black after polishing. Polished with a glass luster. The structure is dense block and muddy structure. 2. (2) Mohs hardness: 3 to 4. (3) Density: 2.50 to 2.70 cm3. (4) Refractive index: 1.486 to 1.658, point method: 1.54. (5) Gloss: After polishing, it has a glass luster. (6) Crystal state: mud crystal structure. (7) Ultraviolet fluorescence: usually not. (8) Absorption spectrum: Absorption lines are rare. (9) Cleavage: Calcite has three sets of complete cleavage, and the aggregate is usually invisible. 3. The main chemical composition: calcite CaCo3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the production area of ​​Fuping Moyu (a muddy limestone) may apply to the Quality and Technical Supervision Bureau of Fuping County, Shaanxi Province for the use of the “Special Mark for Geographical Indication Products”, which is reviewed by the Shaanxi Provincial Bureau of Quality and Technical Supervision. Announced after approval by the General Administration of Inspection and Quarantine. The inspection mechanism of Fuping Moyu (a muddy limestone) is selected by the Shaanxi Provincial Bureau of Quality and Technical Supervision in a testing institution that meets the qualification requirements.