babingtonite


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babingtonite

(ˈbæbɪŋtəˌnaɪt)
n
a rare, slightly magnetic, black or dark green silicate mineral, Ca2Fe2Si5O14OH, found in cavities in volcanic rock
References in periodicals archive ?
com) was marketing about a dozen fine miniature to small cabinet-size specimens of babingtonite from the Lane traprock quarry at Westfield, Hampden County, Massachusetts.
And from Norilsk: short prismatic babingtonite crystals.
Some Chinese dealers and a few Westerners offered pieces showing surpassingly large--and sharp, shining, clean--crystals of babingtonite from Meigu, Sichuan.
Finally, Rene Daulon had a major stash, piled up on a table against his tent's inside wall, of ten or so flats full of outstanding specimens of babingtonite from the outcrop occurrence at Meigu, Sichuan province.
cn) told me politely that they'd already sold off their best specimens, on which babingtonite crystals to more than 1 cm repose.
Pezzotta describes the best specimens there (not only orthoclase, but also quartz, fluorite, datolite, babingtonite etc.
This quarry is best known for its outstanding datolite and (rarely) babingtonite specimens, but these new white, translucent scalenohedrons and compound scalenohedrons of calcite, reaching 10 cm, are no poor sisters either.
Further, it seems that this same quarry has some Alpine cleft-type tension gashes with mineralogy featuring tiny babingtonite crystals; brilliantly black, thin ilmenite platelets to 1 cm with epitaxial rutile; and (a serious rarity) microcrystals of kainosite-(Y) on muscovite.
Babingtonite began to form in the later stage of the Quartz Period at Millington.
The last American news is from my own corner of the country, New England, which still does corner the market on world-class babingtonite crystals.
localities have long believed that the Lane quarry at Westfield, Massachusetts, is firmly a thing of the past - a shame, we have thought, as the babingtonite specimens from there are surely the world's best.
Among the more interesting and spectacular recent finds in Sweden are babingtonite crystals of international importance.