dopplerite
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Dopplerite — Dop pler*ite, n. [Named after the physicist and mathematician Christian Doppler.] (Min.) A brownish black native hydrocarbon occurring in elastic or jellylike masses. [1913 Webster] … The Collaborative International Dictionary of English
Dopplerite — is a naturally occurring organic substance found in amorphous, elastic or jelly like masses, of brownish black color, in peat beds in Styria and in Switzerland. It is tasteless, insoluble in alcohol and ether, and is described by James Dwight… … Wikipedia
dopplerite — dopp·ler·ite … English syllables
Gytta — is formed from the partial decay of peat. It is black and has a gel like consistency. Humic acid (see http://www.suprahumic.unina.it/) is formed by anaerobic bacteria in the first 0.5 meter of the peat column. The humic acid slowly drains to the… … Wikipedia
Biotic material — or biological derived material is any natural material that is originated from living organisms. Most such materials contain carbon and are capable of decay. Examples of biotic materials are wood, linoleum, straw, humus, manure, bark, crude oil,… … Wikipedia
Christian Doppler — Pour les articles homonymes, voir Doppler. Christian Doppler Naissance 29 novembre … Wikipédia en Français
