Calcite Crystal is a natural crystal that cannot be artificially manufactured and cannot be replaced among known substances. Stanford Optics has rich experience in manufacturing and supplying high-quality Optical Products.
Crystal Structure |
Crystalline rhombihedral |
Density |
2.7 g/cm3 |
Mohs Hardness |
3 |
Hygroscopic Susceptibility |
Low |
Transparency Range |
350nm ~ 2300nm |
Thermal Expansion Coefficient |
aa=24.39x10-6/K |
ac=5.68x10-6/K |
|
Crystal Class |
Negative uniaxial with no=na=nb, ne=nc |
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