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A.Feldspar is a genus minerals's total  call. its chemi-cal composition mainly contain potassium, natrium , calci-um.
1.The potassic feldspar: Contains upper the pot-assium ,molecular formula:K2OAl2O36SiO2
2.The albite:Contains upper natrium element,mol-ecular formula:Na2OAl2O3
3.The anorthite:contains the upper calcium elem-ent ,molecular formula:CaOAL2O32SiO2
A. physical-index:
Feldspqr's degree of hardness motion between 6-6.5, specific weight motion bet－ween 2-2.5.It's brittleness but have the higher anti- to press the strength, right sour have the stronger chemistry stability.The potassic feldspar's color many is red for meat, and also have the ash, white the brown.The albite is white,ash and buff。The anorthite is white or shallow gray.
Ｂ.Application:
Manufacturing potassium fertilizer , manufacturing porcelain and enamel ware, glass raw material, whet the grain etc..
| Name |
Specification |
Chemical Composition |
Feldspar
powder |
40-80 80-120 120,325M |
SiO2:67% Al2O3:16% P+S>0.05
K2O+Na2O>13%(to 18%) |
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