Chemical Analysis 
CaCO399% min
MgO0.25
SiO20.08
Fe2O30.01
Al2O30.03
LOI43-45
Moisture0.2% max
Physical Analysis 
Specific gravity2.7 g/cc
Refractive index1.59
Hardness3 Mohs
Crystallinity rhombohedral and microcrystalline
pH9
Grade200 Mesh25 Micron10 Micron
d9760 micron2510
d506 micron3.52
d152 micron--
Packed Density1.1 gr/cc1.10.9
 
Dry Brightness (DIN6174)92.595.596
Oil Absorption12 gr/1001620
DOP Absorption25 gr/100 gr2730

Packing: 25 kg paper bag or supersack

Origin: Greece