Talc
Fun Fact: Talc is the softest known mineral and is used in cosmetics.
Introduction: Talc is the softest known mineral. It is used in the cosmetic and pharmaceutical industries, as a paint additive and ceramics. Talc is known as 'soapstone' as it has a soapy, greasy feel and is widely used in soapstone carvings throughout southern Africa.
Distribution: Talc schists and serpentinites occur in the Windhoek District. It is also found in the Gobabis District
Composition: Silicate
Crystal system: Monoclinic
Lustre: Pearly, dull
Streak: White
Hardness: 1
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