Garnet Sand Specification

PHYSICAL CHARACTERISTICS

Specific Weight     : 4.1 g/cm3

Average Bulk     : 2.4 g/cm3

Hardness     : 8.0 (Mohs Scale)

OTHER CHARACTERISTICS

Crystal System     : Cubic

Habit : Dodecadnedron with occasional   

                                                                                                                Trapezohedron

Fracture     : Sub-Conchoidal

Durability     : Very good

Free Flow     : 90% Minimum

Susceptibility to Acid    : None

Moisture Absorption    : Non Hygroscopic, Inert.

Magnetism     : Very Slightly Magnetic

Conductivity     : Less than 25 Microsiemens per Meter

Radio Activity     : Not Detectable above background

Pathological Effects    : None

Free Silica Content    : None

ANALYSIS & CHARACTERISTICS

ALUMINA  [ as Al2 O3 ]  : 16.72-18.06%

IRON   [ as Fe2 O3 ]  : 27.95-29.50%

SILICA   [ as Si O2 ]  : 37.44-37.77%

MAGNESIUM  [ as Mg O ]  : 4.75-4.88%

CALCIUM  [ as Ca O ]  : 5.0-9.48%

TITANIUM  [ as Ti O2 ]  : 2.7-2.9%

PHOSPHOROUS [ as P2 O5 ]  : 0.05%

MANGANESE  [ as Mn O ]  : 0.5%

ZIRCON  [ as Zr O2 ]  : Traces

CHLORIDE CONTENT    : Less than 25 ppm

SOLUBLE SALTS    : Less than 100 ppm

PH OF AQUEOUS MEDIUM   : 6.93

GYPSUM CONTENT    : Nil

MOISTURE CONTENT    : Less than 0.5%

CARBONATE CONTENT   : Traces

LOSS ON IGNITION    : Nil

METAL CONTENT    : Traces

[ Specifically Free Iron, Free Copper and Other Heavy Metals ]

MINERALOGICAL COMPOSITION

Garnet (Almandite)    : 97 – 98%

Ilmenite      : 1-2%

Quartz      : ½ %

Others      : ½ %