Physical properties |
pH |
5.3 |
Streak |
Uncoloured |
Hardness |
5-7 (Moh) |
S.G. |
3.6 |
Colour |
Beige / Grey |
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PRODUCTS
KYANITE
Description
Kyanite (B) occurs in fibrous masses and has the same chemical composition as andalusite and sillimanite.
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Uses
Ceramics, enamelware, tiles, crucibles, porcelain, refractories.
Chemical Analysis (%)
|
SiO2 |
 40.10
|
Fe2O3 |
0.85
|
Al2O3 |
56.50 |
MgO |
0.36 |
TiO2 |
0.11 |
CaO |
0.16 |
Na2O3 |
0.40 |
LOI |
1.20 |
K2O |
0.31
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Typical Grading % retained on dry screen
|
300 um |
(50 mesh) |
10 max |
150 um |
(100 mesh) |
30 |
75 um |
(200 mesh) |
20 |
45 um |
(325 mesh) |
20 |
-45 um |
(-325 mesh) |
20 max |
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