Share this entry

Share this page

piemontite

Syllabification: pie·mon·tite
Pronunciation: /ˈpēmənˌtīt
 
/

Definition of piemontite in English:

noun

A brown or black mineral of the epidote group consisting of a silicate of calcium, aluminum, iron, and manganese.
Example sentences
  • It forms a series with clinozoisite and, together with a group of other minerals including zoisite, the allanites, and piemontite, is a dominant member of the epidote group.
  • He reported that material previously said to be piemontite was actually a manganan epidote.
  • Since the formation of piemontite is dependant of a high concentration of manganese it is commonly found together with other manganese minerals.

Origin

late 19th century: from Italian Piemonte (see Piedmont) + -ite1.

Definition of piemontite in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tenebrous
Pronunciation: ˈtenəbrəs
adjective
dark; shadowy or obscure