Indian
Suppliers
Suppliers
Shree Ores & Clays Private Limited
Category : Mineral & Metals
Quartz is available in various colors and from are used in different application like construction work foundry, moulds, abrasives, special lenses and prisms, sandpaper, in sandblasting, radio, television and digital watches. Our range of quartz includes milky quartz, rock crystal, green quartz, rose quartz and smoky quartz. Our own quarry are located in
Chemical Composition:
|
Color |
Clear (if no impurities); also see Varieties |
|
|
6-sided prism ending in 6-sided pyramid (typical) |
|
|
Rhombohedral class 32 |
|
Twinning |
|
|
Cleavage |
None |
|
Fracture |
Conchoidal |
|
Mohs Scale hardness |
7 - lower in impure varieties |
|
Luster |
Vitreous/glossy |
|
Refractive index |
n? = 1.543 - 1.545 n? = 1.552 - 1.554 |
|
Optical Properties |
Uniaxial ( ) |
|
Birefringence |
0.009 (B-G interval) |
|
Pleochroism |
None |
|
Streak |
White |
|
Specific gravity |
2.65 constant; variable in impure varieties |
|
Melting point |
1650 (±75) °C |
|
Solubility |
11.0 /- 1.1 PPM @ 25 C |