write the composition of talc
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Talc is a clay mineral, composed of hydrated magnesium silicate with the chemical formula Mg3Si4O10(OH)2. Talc in powdered form, often combined with corn starch, is used as baby powder.
- Mohs scale hardness: 1 (defining mineral)
- Category: Silicate mineral
- Luster: Waxlike or pearly
- Specific gravity: 2.58 to 2.83
Talc is a hydrous silicate mineral composed of magnesium (Mg), silicon and oxygen (SiO2, silica), and water. Its chemical formula is Mg3Si4O10(OH)2. Talc is relatively pure in composition but can contain small amounts of aluminum, iron, manganese, and titanium.
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