LEAD PROPERTIESHardness: 5Composition: Carbon Quartz Pyrite GoldSpecial quality: white low hardnessPlace of origin: worldFunctional use: a major component of the lead acid battery and is commonly used in a car battery. Lead Introduction
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IRON ORE PROPERTIESHardness: 6Composition:SiO2 Al2O3 Fe2O3 K2O Na2OSpecial quality: most commonPlace of origin: east ChinaFunctional use: In terms of industry or commerce, iron ore is different from manganese ore and it should not
GYPSUM PROPERTIESHardness: 2Composition: CaSO4-2(H2O), Hydrated Calcium SulfateSpecial quality: white, colorless or grayPlace of origin: northeast chinaFunctional use: Gypsum mine is used in the manufacture of plaster, wall board, some cements, fertilizer, paint filler,
GRAVEL PROPERTYSize: larger than 2 mm in its smallest dimension and no more than 64 mm.Functional use: Many roadways are surfaced with gravel, especially in rural areas where there is little traffic. lobally,
GRAPHITE PROPERTIESHardness: Massive, hard and toughComposition: SiO2, Al2O3Special quality: high temperature, high strength propertiesFunctional use: Graphite has many excellent properties, which is applied widely in the metallurgical, mechanical, electrical, chemical, textile, defense and
GRANITE PROPERTIESHardness: Massive, hard and tough,Composition: SiO2, Al2O3Special quality: Pink to grey in colorFunctional use: Granite has been extensively used as a dimension stone and as flooring tiles in public and commercial buildings
GRANITE PROPERTIESHardness: Massive, hard and tough,Composition: SiO2, Al2O3Special quality: Pink to grey in colorFunctional use: Granite has been extensively used as a dimension stone and as flooring tiles in public and commercial buildings
GOLD ORE PROPERTIESHardness: 6Composition: Carbon Quartz Pyrite GoldSpecial quality: white low hardnessPlace of origin: worldFunctional use: most of the gold is for jewelry,others is used in photography, dentistry, coloring, and is currently being
GARNET PROPERTIESHardness: Mohs scale 6.5 to 7.5Common color: Red, but it can cover the whole spectrum of colorsChemical composition: Al3Be2[SiO4]3Functional use: Garnet is ground to a variety of sizes to be used as
FELDSPAR PROPERTIESHardness: 6.5Composition: CaCO3 SiO2Special quality: man-madePlace of origin: ChinaFunctional use: As a material of glass making, feldspar is also used as ceramics industry raw materials, this part takes 30% of the whole