ZIRCON SAND
TYPICAL CHEMICAL COMPOSITION
ZIRCONIA
SILICA
ALUMINA
TITANIA
FERROUS OXIDE
SILICA (Free)
(ZrO2)
(SiO2)
(Al2O3)
(TiO2)
(Fe2O3)
(SiO2)
65.90%
32.54
1.15
0.27
0.04
0.10
TYPICAL MINERAL COMPOSITION
ZIRCON
(ZrSiO4)
KYANITE
(Al2SiO5)
RUTILE
(TiO2)
MISCELLANEOUS MINERALS
97.0%
2.0
0.3
< 1.0
TYPICAL PHYSICAL PROPERTIES
BULK DENSITY (Uncompacted)
SPECIFIC GRAVITY
MELTING POINT
COEFFICIENT OF LINEAR EXPANSION
pH
HARDNESS
2.64 – 2.80 g/cm3
4.62 – 4.67
2100 – 2300 °C
7.2 x 10 –6 cm/cm °C
5.5 – 7.0
7.0 - 7.5 Mohs
TYPICAL SIEVE ANALYSIS
U.S. Sieve
#50
#70
#100
#140
#200
#270
Pan
Percent Retained (%)
<1%
1
14
63
21
1
<1