Witherite is a barium carbonate mineral, BaCO3, in the aragonite group. Witherite crystallizes in the orthorhombic system and virtually always is twinned. The mineral is colorless, milky-white, grey, pale-yellow, green, to pale-brown. The specific gravity is 4.3, which is high for a translucent mineral. It fluoresces light blue under both long- an...
Found on
http://en.wikipedia.org/wiki/Witherite
• (n.) Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.
Found on
http://thinkexist.com/dictionary/meaning/witherite/
a carbonate mineral, barium carbonate (BaCO3), that is, with the exception of barite, the most common barium mineral, despite its rarity. It is ...
Found on
http://www.britannica.com/eb/a-z/w/45
(BaCO3) The carbonate ore of Barium (BA). It is only found in a few locations worldwide and is named after the Dr. Withering who discovered it. The major worldwide source of Witherite is in the Fallowfield and Settlingstones area of Northumberland - though a further small amount has been found in County Durham. The Settlingstones Mine was the world...
Found on
http://www.encyclo.co.uk/local/20766
With'er·ite noun [ So called after Dr. W.
Withering .]
(Min.) Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.
Found on
http://www.encyclo.co.uk/webster/W/44
Witherite, named after Dr. Wiliam Withering, is a somewhat rare mineral found most often in veins associated with galena. Witherite was confirmed as a distinct mineral in 1789 and is a barium carbonate occurring in white or grey six-sided twin crystals, and also in columnar or granular masses and is a minor source of barium. It has the formulae BaC...
Found on
http://www.probertencyclopaedia.com/browse/HW.HTM
Barium carbonate
Found on
http://www.translationdirectory.com/glossaries/glossary075.htm
No exact match found.
