calamine


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Related to calamine: zinc oxide

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

 

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.

calamine

[′kal·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.
References in periodicals archive ?
It found that nine out of 10 have used calamine lotion on their children to relieve the signs of chickenpox, despite the fact that there is no clinical evidence to show that it works, as - while offering immediate itch relief - can often leave your child's skin feeling itchier than before.
If you get sunburn, take aspirin or ibuprofen to reduce inflammation, sponge skin with cold water and use a soothing cream such as calamine lotion.
There is no point in letting your child suffer when a calamine preparation as well as some antihistamine syrup for your child if they are suitable will help with their symptoms.
Treatment usually involves anti-viral medicine, painkillers and calamine lotion to relieve itching.
Scientists from Korea have turned the main ingredient of calamine lotion into a tiny material that converts sound waves into electricity, reports Discovery News.
Lush is feeling floral with its Happy Blooming Bath Melts (pounds 3.60) with dried cherries, passionflower and passion fruit juice plus softening calamine powder.
Natural aloe vera is a great treatment to soothe the skin and good, old-fashioned calamine lotion can help reduce the redness and the tightness of the affected area.
Treatment: Cool with cold running water, apply calamine lotion, wear loose clothing - so avoiding direct pressure on sore areas.
From an oxide of which metal is the soothing ointment calamine made?
A sunscreen of SPF (sun protection factor) 15 or higher, calamine lotion for sunburn and insect bites, anti-histamine tablets for hay fever and allergies, insect repellent, travel sickness pills, a selection of plasters and antiseptic wipes, anti-diarrhoea pills and electrolyte (salt) replacement solutions, water purification tablets to make water safe to drink, paracetamol tablets (suitable for both adults and children) and condoms.
Apply calamine lotion or hydrocortisone cream which will help soothe the itching.