The average annual yield from one coffee tree is the equivalent of 1 to 1 1/2 pounds of roasted coffee. It takes about 4,000 hand-picked green coffee beans to make a pound of coffee.
Named in 1789 after Hendrik Von Prehn (1733-1785), Dutch colonial governor. This was the first mineral to be named after a person.
prehnite (countable and uncountable, plural prehnites)
(mineral) A mineral, a basic calcium, aluminium and iron aluminosilicate, which occurs in stalactitic aggregates or curved crystals, Ca2Al2Si3O10(OH)2.
• nephrite, repineth, ripeneth, trephine
Source: Wiktionary
Prehn"ite, n. Etym: [So called from the German Colonel Prehn, who first found it.] (Min.)
Definition: A pale green mineral occurring in crystalline aggregates having a botryoidal or mammillary structure, and rarely in distinct crystals. It is a hydrous silicate of alumina and lime.
Source: Webster’s Unabridged Dictionary 1913 Edition
8 January 2025
(noun) Eurasian maple tree with pale grey bark that peels in flakes like that of a sycamore tree; leaves with five ovate lobes yellow in autumn
The average annual yield from one coffee tree is the equivalent of 1 to 1 1/2 pounds of roasted coffee. It takes about 4,000 hand-picked green coffee beans to make a pound of coffee.