There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
DIOPTASE
Noun
dioptase (countable and uncountable, plural dioptases)
An intense emerald-green to bluish-green copper cyclosilicate mineral.
Source: Wiktionary
Di*op"tase, n. Etym: [Gr. dioptase.] (Min.)
Definition: A hydrous silicate of copper, occurring in emerald-green crystals.
Source: Webster’s Unabridged Dictionary 1913 Edition
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3 May 2025
DESIRABLE
(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”
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