Andalusite

Andalusite

 

Chemical Formula: Al2 O3. SioO2

Appearance: A medium-grained grey aggregate

 Chemical Composition

 

Al2O3

57.25%

SiO2

40.04%

Fe2O3

0.85%

TiO2

0.26%

CaO

0.15%

MgO

0.15%

Na2O

0.11%

K2O

0.26%

L.O.I

0.91%

 

 

 

Physical and technical properties:

 

 

PhysicalState

Concentrate of crystals

Color

Varies from pink to grey

Odors

None

Melting point

1785^ C

Flash point

N/A

Boiling Point

N/A

Solubility-water

None

Ph

Neutral

Specific gravity

3.5-3.12 g/cm3

Bulk density

1.65 g/cm3

 

 

 

Stabel and Non –reactive

 

 

 

  • Custom sizes are available upon request.

Typical size-grades:

  • Milled Marlusite-andalusite
Mesh     µm   mm  
             
    95 mesh (#)   160 µm 0-0.160mm
 
  100 mesh (#)   150 µm 0-0.150mm
 
  200 mesh (#)     75 µm 0-0.075mm
 
  230 mesh (#)     63 µm 0-0.063mm
 
  270 mesh (#)     55 µm 0-0.055mm
 
  325 mesh (#)     45 µm 0-0.045mm
 
 
- 325 mesh (#)   - 45 µm 0.0.045mm

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