Magnesium Oxide – MgO

lenses, windows, mirrors, filters and prisms


Transmission Range 0.25 – 8.5 µ
Crystal Structure Rock Salt
Cleavage Plane 100
Colour colourless
Density 3.576 (25°)
Melting Point (°) 2800
Reflection Loss 11.6% (4µ) for 2 surfaces
Solubility index Insoluble
Hardness (Knoop) 692.0
Thermal Conductivity (cal/cm sec°C) 6x10-2 (20°C)
Thermal Expansion coefficient (/°C) 13.8x10-6(20-1000°C)

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