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 ?
With the Calamine package, security professionals can identify telltale indicators of a Poison Ivy attack - including the attacker's Poison Ivy process mutex and password, decoded command and control traffic to identify exfiltration/lateral movement, and a timeline of Poison Ivy malware activity.
Annex II, Table 1: Essential Drugs Used in AIDS Treatment in Uganda (in 1990 US$) Drug Strength/Form Unit Price Source Calamine lotion 15% 500 ml bottle $3.
When in his second letter Vespucci enumerates some twenty spices and drugs traded by the Portuguese (26), the reader is apt to be puzzled by items such as "mummy" (a bituminous resin) and "cadmium" (presumably cadmia or calamine, since the element was only discovered in 1817).
A new research report indicates, however, that immediate drug treatment can free many of these youngsters from traditional therapies -- oatmeal baths and those messy applications of calamine lotion -- up to three days earlier than usual.
On the other hand, old standbys such as calamine lotion and cold compresses are safe, somewhat effective treatments for many kinds of itches.
AQP and its Vietnam-based affiliates now hold the licenses to manufacture basic supplies such as aspirin, calamine lotion, and simethicon and can help the CDC distribute them to over 40 of the country's provinces, covering 65% of the country's retail pharmacies and almost 90% of the country's hospitals.
Piramal Enterprises' Consumer Products Division today announced the launch of two new product variants of its heritage brand, Lacto Calamine -Lacto Calamine Oil Balance Face Wash and Face Scrub.
Antihistamines and calamine lotion will relieve the itching.
The film has a 15 certificate, making the stunt as transparent as a layer of calamine lotion.
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.
Later, many will have had to submerge themselves in a bathtub of calamine lotion.
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.