CHEMICAL ANALYSIS: 
SiO265.0%
Al2O31/2 - 2%
Na2Omin. 14%
CaOmin 8%
MgO2.5
Othersapprox 2%
PHYSICAL  ANALYSIS: 
Specific Gravity:2.45
Hardness5.5 mohs
OdorNone
Appearancewhite small grains
MIL SPECmeets G 9995A
Particle Size:
micronmesh% passing
25060100
2127095 - 100
1501000 - 15
1251200 - 5
Packing: 50 lb Paper bags on wooden pallets with plastic wrap

Origin: USA