What is zi ran tong,Zirantong pyritum,iron pyrites FeS2?

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Basic Data of Fool's Gold.

Pyritum Extract Zirantong Pyritum iron pyrites FeS2 Extract photo picture image Pyrite (Fool's Gold)
 Pharmaceutical name: Pyritum
 Name: Pyrites
 Other Names: Pyrite, iron pyrites, fool's gold
 Chemical name: iron pyrites
 Chemical Composition: Iron Disulfide (FeS2)
 Pron. in Cantonese: ji jin tong
 Common Name: pyrite,fool's gold
 Properties (characteristics): acrid, neutral
 Hardness: 6-6.5
 Specific Gravity: About 5.00
 Color: Opaque brassy yellow
 Luster: Metallic
 Distribution: Sichuan, Guangdong, Jiangsu, Yunnan and all over the world

 Common Form: Cubic crystals, typically striated, also pyritohedrons (12 5-sided faces) and less commonly octahedrons. Also frequently occurs in granular massive form, and sometimes as fibrous radiating nodules. Separate grains occur in many types of rock.

 Sources: Common in pneumatolytic and hydrothermal veins, and in sedimentary deposit. Sources of good crystals include Rio Tinto, Spain; Utah, Nevada, Pennsylvania, Colorado, Illinois, Vermont; Mexico; Italy; Isle of Elba; Germany; Austria; Yugoslavia; Czecholsovakia; Ural Mts; Cornwall, England
 Cutting: Commercially, pyrites furnishes the stone usually sold as marcasite, for which purpose it is normally cut with six triangular facets and a flat base.

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citations1.What is zi ran tong,Zirantong pyritum,iron pyrites FeS2?

last edit date:19th,June.2009.