Rocks and Minerals by Chris Pellant
Author:Chris Pellant
Language: eng
Format: epub
ISBN: 9781472911223
Publisher: Bloomsbury Publishing
Published: 2014-08-11T16:00:00+00:00
Group Native elements
Composition Sb
Crystal System Trigonal/hexagonal
Habit Tabular or pseudo-cubic, acicular; massive, lamellar, granular
Cleavage Perfect
Fracture Uneven
Specific Gravity 6.7
Hardness 3 to 3½
Colour Grey, silver-grey
Streak Grey
Lustre Bright metallic
Antimony is found with sulphides such as galena, pyrite and sphalerite and with silver and arsenic in hydrothermal mineral veins. The main use of antimony is as an alloy with other metals for bearings, cable protection and batteries. It can also act as a fire retardant in plastics. China is the main source of antimony, with Russia, Bolivia and South Africa producing lesser amounts.
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