prehnite
Word Rarity
Very rare
Frequency: Zipf frequency 1.48 in modern English
13
Scrabble Score
8
Letters
1
Syllables
7
Unique Chars
Meaning
noun
A mineral, a basic calcium, aluminium and iron aluminosilicate, which occurs in stalactitic aggregates or curved crystals, Ca₂Al₂Si₃O₁₀(OH)₂.
Countable; Uncountable
Etymology
Named after Dutch colonial governor of Cape of Good Hope Hendrik van Prehn in 1788, Dutch colonial governor. This was the first mineral to be named after a person.