Etymology: Middle English, from Middle French, from Latin margarita, from Greek margaritēs, from margaron pearl (probably from Sanskrit mañjara pearl, cluster of blossoms) + -itēs -ite
2. [German margarit, from Greek margaritēs pearl] : a mineral CaAl4Si2O10(OH)2 consisting of a basic aluminum calcium silicate related to mica but low in silica and yielding brittle folia marked by a pearly luster
3. [French margarite, from Greek margaritēs pearl] : a primary form of rock crystallization in which globulites are arranged lineally like beads
Useful english dictionary. 2012.