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Antimony

IMA-Approved Mineral Species

Chemical Element


Properties and Data
Physical Properties
Composition
Element 51

Sb - Antimony
alt. Stibium
Atomic Weight
121.76 Da
Density
6.61 - 6.71 g/cm3
Mohs Hardness
3 - 3.5
Decomposition Point
630 °C (1166 °F - 903 °K)
Member of
Arsenic Group
Crystal System
Trigonal
Optical Properties
Opaque in Visible Spectrum

Additional Properties
Inherent
Semiconductive
Additional Information
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Variants and Types
Intrinsic
Intrinsic
Color: Gray
Production and Synthesis
Czochralski Method
Czochralski Method
Involves pulling a crystal (boule) upward from a molten solution. Produces some of the purest crystals but requires a cleanroom environment.
Kyropoulos Method
Kyropoulos Method
Derivative of the Czochralski method. Crystal grows into the feed material instead of being pulled. Can change the output purity and may be preferred.
Zone Melting
Zone Melting
Involves passing cold / hot zones over a melt / seed to concentrate impurities in specific regions, while forming a monocrystalline ingot at the end of the path.
References
REFERENCES





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