Ads
related to: selenite bracelet 8mm black
Search results
Results From The WOW.Com Content Network
Selenite, satin spar, desert rose, and gypsum flower are crystal habit varieties of the mineral gypsum.. All varieties of gypsum, including selenite and alabaster, are composed of calcium sulfate dihydrate (meaning that it has two molecules of water), with the chemical formula CaSO 4 ·2H 2 O. Selenite contains no selenium, the similar names both derive from Greek selḗnē (σελήνη 'Moon').
Selenite (ion), anion is a selenium oxoanion with the chemical formula SeO 3 2−. Selenous acid, the conjugate acid, with the formula H 2 SeO 3; Salts of this anion: Silver selenite, an inorganic compound of formula Ag 2 SeO 3; Sodium selenite, a salt, a colourless solid, and the most common water-soluble selenium compound
Copper(II) selenite is an inorganic salt frequently found as its dihydrate, CuSeO 3 ·2H 2 O, in the form of a blue powder. [2] [3] Preparation.
The chronic toxic dose of selenite for humans is about 2400 to 3000 micrograms of selenium per day. [140] Hydrogen selenide is an extremely toxic, corrosive gas. [ 141 ] Selenium also occurs in organic compounds, such as dimethyl selenide, selenomethionine , selenocysteine and methylselenocysteine , all of which have high bioavailability and ...
A selenate selenite is a chemical compound or salt that contains selenite and selenate anions (SeO 3 2-and SeO 4 2-). These are mixed anion compounds. Some have third ...
Gomeo Bobelu (December 25, 1964–November 16, 2022), was a Zuni (Zuni: Shiwi) (Badger Clan and Child of the Corn Clan) [1] lapidary jeweler and silversmith who was known for his gemstone-inlayed silver jewelry. He was also a social justice advocate.