vivianites
plural of vivianite
Source: Wiktionary
Viv"i*an*ite, n. Etym: [So called by Werner after the English mineralogist F. G. Vivian.] (Min.)
Definition: A hydrous phosphate of iron of a blue to green color, growing darker on exposure. It occurs in monoclinic crystals, also fibrous, massive, and earthy.
Source: Webster’s Unabridged Dictionary 1913 Edition
13 March 2025
(adjective) conforming exactly or almost exactly to fact or to a standard or performing with total accuracy; “an accurate reproduction”; “the accounting was accurate”; “accurate measurements”; “an accurate scale”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
