niobite, columbite
(noun) a black mineral that is an ore of niobium and tantalum
Source: WordNet® 3.1
columbite (plural columbites)
(mineral) A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.
Source: Wiktionary
Co*lum"bite, n. Etym: [Cf. F. colombite. See Columbium.] (Min.)
Definition: A mineral of a black color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England.
Source: Webster’s Unabridged Dictionary 1913 Edition
11 January 2025
(noun) low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries
The Boston Tea Party helped popularize coffee in America. The hefty tea tax imposed on the colonies in 1773 resulted in America switching from tea to coffee. In the lead up to the Revolutionary War, it became patriotic to sip java instead of tea. The Civil War made the drink more pervasive. Coffee helped energize tired troops, and drinking it became an expression of freedom.
