Zircon syenite, a coarse-grained syenite containing zircon crystals and often also elæolite. It is largely developed in Southern Norway.

(Zir"co*na) n. [NL.] (Chem.) Zirconia.

(Zir"con*ate) n. (Chem.) A salt of zirconic acid.

(Zir*co"ni*a) n. [NL.] (Chem.) The oxide of zirconium, obtained as a white powder, and possessing both acid and basic properties. On account of its infusibility, and brilliant luminosity when incandescent, it is used as an ingredient of sticks for the Drummomd light.

(Zir*con"ic) a. (Chem.) Pertaining to, containing, or resembling, zirconium; as, zirconic oxide; zirconic compounds.

Zirconic acid, an acid of zirconium analogous to carbonic and silicic acids, known only in its salts.

(Zir*co"ni*um) n. [NL.] (Chem.) A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4.

(Zir"co-) (Chem.) A combining form (also used adjectively) designating zirconium as an element of certain double compounds; zircono-; as in zircofluoric acid, sodium zircofluoride.

(Zir`co*flu"or*ide) n. (Chem.) A double fluoride of zirconium and hydrogen, or some other positive element or radical; as, zircofluoride of sodium.

(Zir"con) n. [F., the same word as jargon. See Jargon a variety of zircon.] (Min.) A mineral occurring in tetragonal crystals, usually of a brown or gray color. It consists of silica and zirconia. A red variety, used as a gem, is called hyacinth. Colorless, pale-yellow or smoky- brown varieties from Ceylon are called jargon.

  By PanEris using Melati.

Previous chapter/page Back Home Email this Search Discuss Bookmark Next chapter
Copyright: All texts on Bibliomania are © Bibliomania.com Ltd, and may not be reproduced in any form without our written permission.
See our FAQ for more details.