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Calamine

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calamine
1. a pink powder consisting of zinc oxide and ferric oxide, (iron(III) oxide), used medicinally in the form of soothing lotions or ointments
2. US another name for smithsonite, hemimorphite

calamine [′kalĀ·ə‚mīn]
(metallurgy)
An alloy composed of zinc, lead, and tin.
(mineralogy)
(pharmacology)
A powder mixture of zinc oxide and ferric oxide, used in skin lotions and ointments.

Calamine 

hemimorphite, a mineral from the group of zinc hydrosilicates; chemical composition, Zn4[Si2O7] [OH]2 ⋅ H2. Contains 67.5 percent ZnO.

Calamine crystallizes in the rhombic system. The crystals are usually small and found only in vacancies. Calamine is found most frequently in the form of crystalline crusts with a radiate-fibrous structure and in nodular and stalactite masses. The color is white, yellow, or greenish blue (from admixtures of iron and copper compounds). Hardness on the mineralogical scale, 4-5; density, 3, 400-3, 500 kg per cu m. The crystals show pyroelectric properties when heated. Calamine forms in the oxidation zone of lead and zinc deposits. Rich accumulations have been found in the USSR (eastern Transbaikal and central Kazakhstan) andabroad (Upper Silesia in Poland). It is used as an ore for obtain-ing zinc.



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Amrita Rao reveals her Skin secret: Calamine Lotion: "I use calamine lotion as a primer and that has prevented my skin from breaking out after applying heavy make-up.
Mr O'Looney, of Carr Moss Lane, Halsall, was given an intravenous drip, painkillers, calamine lotion and steroids to open his pores.
TREAT IT: Cool baths, airing affected areas and applying calamine lotion or aloe vera products can offer relief.
 
 
 
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