5目筛残余0.00.00.00.00.00.20.2Hegman Fineness8.07.07.06.05.54.54.0Oil Absorption 吸油量12.513.011.011.010.09.09.0Specific Gravity 比重4.44.44.44.44.44.44.4Apparent Dry Bulk Density Loose:Ibs/ft360607570100100Compacted:lbs/ft3100100115115150150Color L* 白度98979696959594Brightness 亮度98979696959594PH8-8.58.58.58.58.58.58.5Refractive Index 折射率1.641.641.641.641.641.641.64Mohs Hardnedd 莫氏硬度3.03.03.03.03.03.03.0Gloss光泽度ExcellentExcellentExcellentExcellentExcellentExcellentExcellentDispersi